@article{InhoffSeymourSchadetal.2010, author = {Inhoff, Albrecht W. and Seymour, Bradley A. and Schad, Daniel and Greenberg, Seth}, title = {The size and direction of saccadic curvatures during reading}, issn = {0042-6989}, doi = {10.1016/j.visres.2010.03.025}, year = {2010}, abstract = {e movements during the reading of multi-line pages of texts were analyzed to determine the trajectory of reading saccades. The results of two experiments showed that the trajectory of the majority of forward-directed saccades was negatively biased, i.e., the trajectory fell below the start and end location of the saccadic movement. This is attributed to a global top-to-bottom orienting of attention. The curvature size and the proportion of negative trajectories were diminished when linguistic processing demands were high and when the beginning lines of a page were read. Longer pre-saccadic fixations also yielded smaller saccadic curvatures, and they resulted in fewer negatively curved forward-directed saccades in Experiment 1 although not in Experiment 2. These findings indicate that the top-to- bottom pull of saccadic trajectories is modulated by processing demands and processing opportunities. The results are in general agreement with a time-locked attraction-inhibition hypothesis, according to which the horizontal movement component of a saccade is initially subject to an automatic top-to-bottom orienting of attention that is subsequently inhibited.}, language = {en} } @article{BezzenbergerBezzenberger2010, author = {Bezzenberger, Tilman and Bezzenberger, Gerold}, title = {Kapitalaufbringung und verdreckte Sacheinlagen bei der Aktienplatzierung durch Emissionsbanken}, isbn = {978-3-89949-628-4}, year = {2010}, language = {de} } @article{Lettl2010, author = {Lettl, Tobias}, title = {Die Andwendbarkeit von Art. 101 Abs. 1 AEUV und \S 1GWB auf Absatzmittelvertr{\"a}ge}, isbn = {978-3-89949-628-4}, year = {2010}, language = {de} } @book{Lettl2010, author = {Lettl, Tobias}, title = {Wettbewerbsrecht f{\"u}r Finanzdienstleister : Sonderdruck aus dem Loseblattwerk "Bankrecht und Bankpraxis"}, publisher = {Bank-Verl. Medien}, address = {K{\"o}ln}, isbn = {978-3-86556-251-7}, pages = {359 S.}, year = {2010}, language = {de} } @misc{VoigtsRiemerJurewiczetal.2010, author = {Voigts, Manfred and Riemer, Nathanael and Jurewicz, Grażyna and Denz, Rebekka}, title = {PaRDeS : Zeitschrift der Vereinigung f{\"u}r J{\"u}dische Studien e.V. [Sonderheft] = Bibliographie (1997-2009)}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-056-4}, issn = {1862-7684}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-41821}, year = {2010}, abstract = {PaRDeS. Zeitschrift der Vereinigung f{\"u}r J{\"u}dische Studien e.V., erscheint seit 1997. Zun{\"a}chst als Vereinsblatt unter dem Titel VJS-Nachrichten macht sich das Periodikum seit seiner Umbenennung 2004 zur Aufgabe, die fruchtbare und facettenreiche Kultur des Judentums sowie seine Ber{\"u}hrungspunkte zur Umwelt in den unterschiedlichen Bereichen zu dokumentieren. Daneben dient die Zeitschrift als Forum zur Positionierung der F{\"a}cher J{\"u}dische Studien und Judaistik innerhalb des wissenschaftlichen Diskurses sowie zur Diskussion ihrer historischen und gesellschaftlichen Verantwortung.}, language = {de} } @article{TronciNeffePierceetal.2010, author = {Tronci, Giuseppe and Neffe, Axel T. and Pierce, Benjamin Franklin and Lendlein, Andreas}, title = {An entropy-elastic gelatin-based hydrogel system}, issn = {0959-9428}, doi = {10.1039/C0jm00883d}, year = {2010}, abstract = {Gelatin is a non-immunogenic and degradable biopolymer, which is widely applied in the biomedical field e. g. for drug capsules or as absorbable hemostats. However, gelatin materials present limited and hardly reproducible mechanical properties especially in aqueous systems, particularly caused by the uncontrollable partial renaturation of collagen-like triple helices. Therefore, mechanically demanding applications for gelatin-based materials, such as vascular patches, i.e. hydrogel films that seal large incisions in vessel walls, and for induced autoregeneration, are basically excluded if this challenge is not addressed. Through the synthesis of a defined chemical network of gelatin with hexamethylene diisocyanate (HDI) in DMSO, the self-organization of gelatin chains could be hindered and amorphous gelatin films were successfully prepared having Young's moduli of 60-530 kPa. Transferring the crosslinking reaction with HDI and, alternatively, ethyl lysine diisocyanate (LDI), to water as reaction medium allowed the tailoring of swelling behaviour and mechanical properties by variation of crosslinker content while suppressing the formation of helices. The hydrogels had Young's moduli of 70-740 kPa, compressive moduli of 16-48 kPa, and degrees of swelling of 300-800 vol\%. Test reactions investigated by ESI mass spectrometry allowed the identification and quantification of reaction products of the crosslinking reaction. The HDI crosslinked networks were stabilized by direct covalent crosslinks (ca. 10 mol\%), supported by grafting (50 mol\%) and blending of hydrophobic oligomeric chains. For the LDI- based networks, less crosslinked (3 mol\%) and grafted species (5 mol\%) and much higher amounts of oligomers were observed. The adjustable hydrogel system enables the application of gelatin-based materials in physiological environments.}, language = {en} } @phdthesis{SanchezBarriga2010, author = {S{\´a}nchez-Barriga, Jaime}, title = {A photoemission study of quasiparticle excitations, electron-correlation effects and magnetization dynamics in thin magnetic systems}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-48499}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {This thesis is focused on the electronic, spin-dependent and dynamical properties of thin magnetic systems. Photoemission-related techniques are combined with synchrotron radiation to study the spin-dependent properties of these systems in the energy and time domains. In the first part of this thesis, the strength of electron correlation effects in the spin-dependent electronic structure of ferromagnetic bcc Fe(110) and hcp Co(0001) is investigated by means of spin- and angle-resolved photoemission spectroscopy. The experimental results are compared to theoretical calculations within the three-body scattering approximation and within the dynamical mean-field theory, together with one-step model calculations of the photoemission process. From this comparison it is demonstrated that the present state of the art many-body calculations, although improving the description of correlation effects in Fe and Co, give too small mass renormalizations and scattering rates thus demanding more refined many-body theories including nonlocal fluctuations. In the second part, it is shown in detail monitoring by photoelectron spectroscopy how graphene can be grown by chemical vapour deposition on the transition-metal surfaces Ni(111) and Co(0001) and intercalated by a monoatomic layer of Au. For both systems, a linear E(k) dispersion of massless Dirac fermions is observed in the graphene pi-band in the vicinity of the Fermi energy. Spin-resolved photoemission from the graphene pi-band shows that the ferromagnetic polarization of graphene/Ni(111) and graphene/Co(0001) is negligible and that graphene on Ni(111) is after intercalation of Au spin-orbit split by the Rashba effect. In the last part, a time-resolved x-ray magnetic circular dichroic-photoelectron emission microscopy study of a permalloy platelet comprising three cross-tie domain walls is presented. It is shown how a fast picosecond magnetic response in the precessional motion of the magnetization can be induced by means of a laser-excited photoswitch. From a comparision to micromagnetic calculations it is demonstrated that the relatively high precessional frequency observed in the experiments is directly linked to the nature of the vortex/antivortex dynamics and its response to the magnetic perturbation. This includes the time-dependent reversal of the vortex core polarization, a process which is beyond the limit of detection in the present experiments.}, language = {en} } @article{HermanussenGodinaRuehlietal.2010, author = {Hermanussen, Michael and Godina, Elena and Ruehli, Frank J. and Blaha, Pawel and Boldsen, Jesper L. and van Buuren, Stef and MacIntyre, Matthew and Aßmann, Christian and Ghosh, Arunava and de Stefano, Gian Fra nco and Sonkin, Valentin D. and Tresguerres Hern{\´a}ndez, Jes{\´u}s {\´A}ngel Fern{\´a}ndez and Meigen, Christof and Scheffler, Christiane and Geiger, Cherie L. and Lieberman, Leslie Sue}, title = {Growth variation, final height and secular trend : proceedings of the 17th Aschauer Soiree, 7th November 2009}, issn = {0018-442X}, doi = {10.1016/j.jchb.2010.06.001}, year = {2010}, abstract = {Growth and body height have always been topics interesting to the public. In particular, the stupendous increase of some 15-19 cm in final adult height during the last 150 years in most European countries (the "secular trend"), the concomitant changes in body and head proportions, the tendency towards early onset of sexual maturation, the changes in the age when final height is being reached, and the very recent trend in body mass index, have generated much scientific literature. The marked plasticity of growth in height and weight over time causes problems. Child growth references differ between nations, they tend to quickly become out of date, and raise a number of questions regarding fitting methods, effects caused by selective drop-out, etc. New findings contradict common beliefs about the primary importance of nutritional and health related factors for secular changes in growth. There appears to be a broad age span from mid-childhood to early adolescence that is characterised by a peculiar insusceptibility. Environmental factors that are known to influence growth during this age span appear to have only little or no impact on final height. Major re- arrangements in height occur at an age when puberty has almost been completed and final height has almost been reached, implying that factors, which drive the secular trend in height, are limited to early childhood and late adolescence.}, language = {en} } @article{FrankeGrombergSchuelerHermanussenetal.2010, author = {Franke-Gromberg, Christine and Sch{\"u}ler, Grit and Hermanussen, Michael and Scheffler, Christiane}, title = {Digital 2D-photogrammetry and direct anthropometry : a comparing study on test accomplishment and measurement data}, issn = {0003-5548}, doi = {10.1127/0003-5548/2010/0012}, year = {2010}, abstract = {The aim of this methodological anthropometric study was to compare direct anthropometry and digital two- dimensional photogrammetry in 18 male and 27 female subjects, aged 24 to 65 years, from Potsdam, Germany. In view of the rising interest in reliable biometric kephalofacial data, we focussed on head and face measurements. Out of 34 classic facial anatomical landmarks, 27 landmarks were investigated both by direct anthropometry and 2D-photogrammetry; 7 landmarks could not be localized by 2D-photogrammetry. Twenty-six kephalofacial distances were analysed both by direct anthropometry and digital 2D-photogrammetry. Kephalofacial distances are on average 7.6\% shorter when obtained by direct anthropometry. The difference between the two techniques is particularly evident in total head height (vertex-gnathion) due to the fact that vertex is usually covered by hair and escapes from photogrammetry. Also the distances photographic sellion-gnathion (1.3 cm, i. e. 11.6\%) and nasal-gnathion (1.2 cm, i. e. 9.4\%) differ by more than one centimetre. Differences below 0.5 cm between the two techniques were found when measuring mucosa-lip-height (2.2\%), gonia (3.0\%), glabella-stomion (3.9\%), and nose height (glabella-subnasal) (4.0\%). Only the estimates of forehead width were significantly narrower when obtained by 2D-photogrammetry (-1.4 cm, -13.1\%). The methodological differences increased with increasing magnitude of the kephalometric distance. Apart from these limitations, both techniques are similarly valid and may replace each other.}, language = {en} } @article{LehmannSchefflerHermanussen2010, author = {Lehmann, Andreas and Scheffler, Christiane and Hermanussen, Michael}, title = {The variation in age at menarche : an indicator of historic developmental tempo}, issn = {0003-5548}, doi = {10.1127/0003-5548/2010/0086}, year = {2010}, abstract = {Ample literature describes the history of the association between the advances in the health and wealth of people, and mortality rates, life expectancy and adult height. Twentynine German studies with n > 200 subjects published since 1848 on menarcheal age, were reanalyzed, and 101 studies from various other European and non-European countries. On average, mean age at menarche declined since the mid-19(th) century. Historic urban samples tended to decline earlier than rural groups, upper class women earlier than working class women. In Germany, minimum values for the age at menarche were seen already between the two World Wars (Leipzig 12.6 years in 1934, Halle 13.3 years in 1939). Values for mean age and SD for age at menarche were strongly associated. With improving historic circumstances, the two parameters declined in parallel. The standard deviation for menarcheal age dropped from over 2.5 years in mid-19th century France to little more or even less than 1 year in most modern countries. In the German studies the correlation between menarcheal age and SD was almost complete with r = 0.96 (y = 0.35x - 3.53). Similar associations between mean age at menarche and SD for age were found in other European countries. The obvious and immediate effects of historic events on menarcheal age, and particularly on the age distribution, indicate that menarche is a sensitive indicator of public health and wealth, and may be an appropriate estimator for the socio-economic background of historic populations.}, language = {en} } @article{LehmannSchefflerHermanussen2010, author = {Lehmann, Andreas and Scheffler, Christiane and Hermanussen, Michael}, title = {Evidence of seasonal variation in longitudinal growth of height in a sample of boys from Stuttgart Carlsschule, 1771-1793, using combined principal component analysis and maximum likelihood principle}, issn = {0018-442X}, doi = {10.1016/j.jchb.2009.11.003}, year = {2010}, abstract = {Recent progress in modelling individual growth has been achieved by combining the principal component analysis and the maximum likelihood principle. This combination models growth even in incomplete sets of data and in data obtained at irregular intervals. We re-analysed late 18th century longitudinal growth of German boys from the boarding school Carlsschule in Stuttgart. The boys aged 6-23 years, were measured at irregular 3-12 monthly intervals during the period 1771-1793. At the age of 18 years, mean height was 1652 mm, but height variation was large. The shortest boy reached 1474 mm, the tallest 1826 mm. Measured height closely paralleled modelled height, with mean difference of 4 mm, SD 7 mm. Seasonal height variation was found. Low growth rates occurred in spring and high growth rates in summer and autumn. The present study demonstrates that combining the principal component analysis and the maximum likelihood principle enables growth modelling in historic height data also.}, language = {en} } @article{NeitmannBeckGoese2010, author = {Neitmann, Klaus and Beck, Lorenz Friedrich and G{\"o}se, Frank}, title = {Die Mark : Brandenburg im Mittelalter und in der Fr{\"u}hen Neuzeit}, isbn = {978-3-937233-66-6}, year = {2010}, language = {de} } @article{Goese2010, author = {G{\"o}se, Frank}, title = {"Es war mir wie einem armen Gemeinen zu Muthe ..." : {\"U}berlegungen zur Professionalisierung adliger Offiziere ausgew{\"a}hlter deutscher Reichsterritorien im 17. Jahrhundert}, isbn = {978- 3-86956-070-0}, year = {2010}, language = {de} } @article{Goese2010, author = {G{\"o}se, Frank}, title = {Die brandenburgisch-preußische Landmiliz : Reserve des landesherrlichen Miles perpetuus oder Rudiment st{\"a}ndischen Selbstbewusstseins?}, isbn = {978-3-89971- 723-5}, year = {2010}, language = {de} } @article{Goese2010, author = {G{\"o}se, Frank}, title = {Zwischen Hof und Land : Aspekte der politischen und kulturellen Kommunikation in der brandenburgischen Adelsgesellschaft um 1800}, isbn = {978-3-86525-151-0}, year = {2010}, language = {de} } @article{GoeseHuebener2010, author = {G{\"o}se, Frank and H{\"u}bener, Kristina}, title = {Die Provinz : Brandenburg im 19. und fr{\"u}hen 20. Jahrhundert}, isbn = {978-3-937233-66-6}, year = {2010}, language = {de} } @article{Goese2010, author = {G{\"o}se, Frank}, title = {Brandenburg in der neueren deutschen Geschichte}, isbn = {978-3-910134-05-8}, year = {2010}, language = {de} } @article{Goese2010, author = {G{\"o}se, Frank}, title = {Fehrbellin}, isbn = {978-3-3937233-64-2}, year = {2010}, language = {de} } @book{WiemannEmigSchmittKilbetal.2010, author = {Wiemann, Dirk and Emig, Rainer and Schmitt-Kilb, Christian and Stedman, Gesa and Berg, Sebastian}, title = {Journal for the Study of British Cultures}, publisher = {K{\"o}nigshausen \& Neumann GmbH}, address = {W{\"u}rzburg}, issn = {0944-9094}, pages = {0944-9094}, year = {2010}, language = {en} } @misc{Wiemann2010, author = {Wiemann, Dirk}, title = {Chanan, M.; The Politics of Documentary; London, BFI, 2007}, issn = {0944-9094}, year = {2010}, language = {en} } @article{Wiemann2010, author = {Wiemann, Dirk}, title = {A russian romance : 1930s british writers as wishful participants in the Soviet revolution}, isbn = {978-90-420-3049-7}, year = {2010}, language = {en} } @article{SchweizerSchusterJungingeretal.2010, author = {Schweizer, S. and Schuster, T. and Junginger, Matthias and Siekmeyer, Gerd and Taubert, Andreas}, title = {Surface modification of ickel/Titanium Alloy and Titanium Surfaces via a Polyelectrolyte Multilayer/Calcium Phosphate Hybrid Coating}, issn = {1438-7492}, doi = {10.1002/mame.200900347}, year = {2010}, abstract = {The report shows that simple LbL deposition of positively charged chitosan and negatively charged heparin can be used to efficiently modify the native surface of both NiTi and Ti without any previous treatments. Moreover, mineralization of the polymer multilayers with calcium phosphate leads to surfaces with low contact angles around 70 and 20 degrees for NiTi and Ti, respectively. This suggests that a polymer multilayer/calcium phosphate hybrid coating could be useful for making NiTi or Ti implants that are at the same time antibacterial (via the chitosan), suppress blood clot formation (via the heparin), and favor fast endothelialization (via the improved surface hydrophilicity compared to the respective neat material).}, language = {en} } @article{AyiKhareStrauchetal.2010, author = {Ayi, Ayi A. and Khare, Varsha and Strauch, Peter and Girard, J{\`e}r{\^o}me and Fromm, Katharina M. and Taubert, Andreas}, title = {On the chemical synthesis of titanium nanoparticles from ionic liquids}, issn = {0026-9247}, doi = {10.1007/s00706-010-0403-4}, year = {2010}, abstract = {We report on attempts towards the synthesis of titanium nanoparticles using a wet chemical approach in imidazolium-based ionic liquids (ILs) under reducing conditions. Transmission electron microscopy finds nanoparticles in all cases. UV/Vis spectroscopy confirms the nanoparticulate nature of the precipitate, as in all cases an absorption band between ca. 280 and 300 nm is visible. IR spectroscopy shows that even after extensive washing and drying, some IL remains adsorbed on the nanoparticles. Raman spectroscopy suggests the formation of anatase nanoparticles, but X-ray diffraction reveals that, possibly, amorphous titania forms or that the nanoparticles are so small that a clear structure assignment is not possible. The report thus shows that (possibly amorphous) titanium oxides even form under reducing conditions and that the chemical synthesis of titanium nanoparticles in ILs remains elusive.}, language = {en} } @misc{BreitensteinHoelzelBier2010, author = {Breitenstein, Michael and H{\"o}lzel, Ralph and Bier, Frank Fabian}, title = {Immobilization of different biomolecules by atomic force microscopy}, series = {Postprints der Universit{\"a}t Potsdam : Mathematisch Naturwissenschaftliche Reihe}, journal = {Postprints der Universit{\"a}t Potsdam : Mathematisch Naturwissenschaftliche Reihe}, number = {872}, issn = {1866-8372}, doi = {10.25932/publishup-43507}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-435075}, pages = {9}, year = {2010}, abstract = {Background Micrometer resolution placement and immobilization of probe molecules is an important step in the preparation of biochips and a wide range of lab-on-chip systems. Most known methods for such a deposition of several different substances are costly and only suitable for a limited number of probes. In this article we present a flexible procedure for simultaneous spatially controlled immobilization of functional biomolecules by molecular ink lithography. Results For the bottom-up fabrication of surface bound nanostructures a universal method is presented that allows the immobilization of different types of biomolecules with micrometer resolution. A supporting surface is biotinylated and streptavidin molecules are deposited with an AFM (atomic force microscope) tip at distinct positions. Subsequent incubation with a biotinylated molecule species leads to binding only at these positions. After washing streptavidin is deposited a second time with the same AFM tip and then a second biotinylated molecule species is coupled by incubation. This procedure can be repeated several times. Here we show how to immobilize different types of biomolecules in an arbitrary arrangement whereas most common methods can deposit only one type of molecules. The presented method works on transparent as well as on opaque substrates. The spatial resolution is better than 400 nm and is limited only by the AFM's positional accuracy after repeated z-cycles since all steps are performed in situ without moving the supporting surface. The principle is demonstrated by hybridization to different immobilized DNA oligomers and was validated by fluorescence microscopy. Conclusions The immobilization of different types of biomolecules in high-density microarrays is a challenging task for biotechnology. The method presented here not only allows for the deposition of DNA at submicrometer resolution but also for proteins and other molecules of biological relevance that can be coupled to biotin.}, language = {en} } @phdthesis{Guse2010, author = {Guse, Bj{\"o}rn Felix}, title = {Improving flood frequency analysis by integration of empirical and probabilistic regional envelope curves}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-49265}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Flood design necessitates discharge estimates for large recurrence intervals. However, in a flood frequency analysis, the uncertainty of discharge estimates increases with higher recurrence intervals, particularly due to the small number of available flood data. Furthermore, traditional distribution functions increase unlimitedly without consideration of an upper bound discharge. Hence, additional information needs to be considered which is representative for high recurrence intervals. Envelope curves which bound the maximum observed discharges of a region are an adequate regionalisation method to provide additional spatial information for the upper tail of a distribution function. Probabilistic regional envelope curves (PRECs) are an extension of the traditional empirical envelope curve approach, in which a recurrence interval is estimated for a regional envelope curve (REC). The REC is constructed for a homogeneous pooling group of sites. The estimation of this recurrence interval is based on the effective sample years of data considering the intersite dependence among all sites of the pooling group. The core idea of this thesis was an improvement of discharge estimates for high recurrence intervals by integrating empirical and probabilistic regional envelope curves into the flood frequency analysis. Therefore, the method of probabilistic regional envelope curves was investigated in detail. Several pooling groups were derived by modifying candidate sets of catchment descriptors and settings of two different pooling methods. These were used to construct PRECs. A sensitivity analysis shows the variability of discharges and the recurrence intervals for a given site due to the different assumptions. The unit flood of record which governs the intercept of PREC was determined as the most influential aspect. By separating the catchments into nested and unnested pairs, the calculation algorithm for the effective sample years of data was refined. In this way, the estimation of the recurrence intervals was improved, and therefore the use of different parameter sets for nested and unnested pairs of catchments is recommended. In the second part of this thesis, PRECs were introduced into a distribution function. Whereas in the traditional approach only discharge values are used, PRECs provide a discharge and its corresponding recurrence interval. Hence, a novel approach was developed, which allows a combination of the PREC results with the traditional systematic flood series while taking the PREC recurrence interval into consideration. An adequate mixed bounded distribution function was presented, which in addition to the PREC results also uses an upper bound discharge derived by an empirical envelope curve. By doing so, two types of additional information which are representative for the upper tail of a distribution function were included in the flood frequency analysis. The integration of both types of additional information leads to an improved discharge estimation for recurrence intervals between 100 and 1000 years.}, language = {en} } @article{GranacherGruberFoerdereretal.2010, author = {Granacher, Urs and Gruber, Markus and Foerderer, Dominik and Strass, Dieter and Gollhofer, Albert}, title = {Effects of ankle fatigue on functional reflex activity during gait perturbations in young and elderly men}, issn = {0966-6362}, doi = {10.1016/j.gaitpost.2010.03.016}, year = {2010}, abstract = {There is growing evidence that aging and muscle fatigue result in impaired postural reflexes in humans. Therefore, the objective of this study was to examine the effects of ankle fatigue on functional reflex activity (ERA) during gait perturbations in young and elderly men. Twenty-eight young (27.0 +/- 3.1 years, n = 14) and old (67.2 +/- 3.7 years, n = 14) healthy active men participated in this study. Fatigue of the plantarflexors and dorsiflexors was induced by isokinetic contractions. Pre and post-fatigue, subjects were tested for their ability to compensate for decelerating gait perturbations while walking on a treadmill. Latency, ERA of lower extremity muscles and angular velocity of the ankle joint complex were analysed by means of surface electromyography and goniometry. After the fatigue protocol, no significant main and interaction effects were detected for the parameter latency in m. tibialis anterior (TA). For both groups, a significant pre to post-test decrease in ERA in TA (P<.001) was observed coming along with increases in antagonist coactivity (P=.013) and maximal angular velocity of the ankle joint (p=.007). However, no significant group x test interactions were found for the three parameters. Ankle fatigue has an impact on the ability to compensate for gait perturbations in young and elderly adults. However, no significant differences in all analysed parameters were detected between young and elderly subjects. These results may imply that age-related deteriorations in the postural control system do not specifically affect the ability to compensate for gait perturbations under fatigued condition.}, language = {en} } @article{BrauneMaulSchebbetal.2010, author = {Braune, Annett and Maul, Ronald and Schebb, Nils Helge and Kulling, Sabine E. and Blaut, Michael}, title = {The red clover isoflavone irilone is largely resistant to degradation by the human gut microbiota}, issn = {1613-4125}, doi = {10.1002/mnfr.200900233}, year = {2010}, abstract = {Intestinal bacteria may influence bioavailability and physiological activity of dietary isoflavones. We therefore investigated the ability of human intestinal microbiota to convert irilone and genistein in vitro. In contrast to genistein, irilone was largely resistant to transformation by fecal slurries of ten human subjects. The fecal microbiota converted genistein to dihydrogenistein, 6'-hydroxy-O-desmethylangolensin, and 2-(4-hydroxyphenyl)- propionic acid. However, considerable interindividual differences in the rate of genistein degradation and the pattern of metabolites formed from genistein were observed. Only one metabolite, namely dihydroirilone, was formed from irilone in minor amounts. In further experiments, Eubacterium ramulus, a prevalent flavonoid-degrading species of the human gut, was tested for transformation of irilone. In contrast to genistein, irilone was not converted by E. ramulus. Irilone only differs from genistein by a methylenedioxy group attached to the A-ring of the isoflavone skeleton. This substitution obviously restricts the degradability of irilone by human intestinal bacteria.}, language = {en} } @misc{Kosman2010, author = {Kosman, Admiʾel}, title = {Mafteah le-Sikum Inyanim be-Rosh Sukah}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-42527}, year = {2010}, abstract = {Das Dokument ist eine Zusammenfassung der wesentlichen Aspekte zu Rosh Sukka.}, language = {mul} } @misc{Kosman2010, author = {Kosman, Admiʾel}, title = {Sikum Hilkhot Shabat}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-42535}, year = {2010}, abstract = {This document summarises the commandments of Shabbat.}, language = {mul} } @misc{Kosman2010, author = {Kosman, Admiʾel}, title = {Psalms chapter 58 : from the mole to the male in a Talmudic story ; on the meaning of suffering in the eyes of the rabbis}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-48212}, year = {2010}, abstract = {Dieser Vortrag setzt sich mit der Rezeption von Psalm 58 in den talmudischen Erz{\"a}hlungen auseinander.}, language = {en} } @article{Klettke2010, author = {Klettke, Cornelia}, title = {Zur Poetik der Wolke in St{\´e}phane Audeguys Roman La th{\´e}orie des nuages}, isbn = {978-3-86596-279-9}, year = {2010}, language = {de} } @book{Klettke2010, author = {Klettke, Cornelia}, title = {Le possiblili vite di un artista : Andrea De Carlo e la variet{\´a} delle sue alterit{\´a} immaginate}, series = {Strumenti di letteratura italiana}, volume = {34}, journal = {Strumenti di letteratura italiana}, publisher = {Cesati Ed}, address = {Firenze}, isbn = {978-88-7667-384-9}, pages = {216 S.}, year = {2010}, language = {it} } @book{OPUS4-32979, title = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania : eigentliches und uneigentlichhes Schreiben zu einem sich verdichtenden globalen Problem}, series = {Romanistik}, volume = {7}, journal = {Romanistik}, editor = {Klettke, Cornelia and Maag, Georg}, publisher = {Frank \& Timme Verlag f{\"u}r wissenschaftliche Literatur}, address = {Berlin}, isbn = {978-3-86596-279-9}, issn = {1860-1995}, pages = {478 S.}, year = {2010}, language = {de} } @book{OPUS4-9755, title = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania : Eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem}, editor = {Klettke, Cornelia and Maag, Georg}, publisher = {Frank \& Timme}, address = {Berlin}, isbn = {978-3-86596-279-9}, publisher = {Universit{\"a}t Potsdam}, pages = {478}, year = {2010}, language = {mul} } @incollection{Weber2010, author = {Weber, Andr{\´e}}, title = {Physikalisches Wissen und {\"a}sthetische Darstellung in Sur les nuages (1888) von Guy de Maupassant}, series = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania - Eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem. Akten der Sektion 2.6. auf dem 31. Deutschen Romanistentag 2009 in Bonn}, booktitle = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania - Eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem. Akten der Sektion 2.6. auf dem 31. Deutschen Romanistentag 2009 in Bonn}, editor = {Klettke, Cornelia and Maag, Georg}, publisher = {Frank \& Timme}, address = {Berlin}, isbn = {978-3-86596-279-9}, pages = {113 -- 133}, year = {2010}, language = {de} } @incollection{Kilian2010, author = {Kilian, Sven Thorsten}, title = {Rhetorik der Wolken in Niccol{\`o} Ammanitis Come Dio comanda}, series = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania. Eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem}, booktitle = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania. Eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem}, editor = {Klettke, Cornelia and Maag, Georg}, publisher = {Frank \& Timme}, address = {Berlin}, isbn = {978-3-86596-279-9}, publisher = {Universit{\"a}t Potsdam}, pages = {455 -- 473}, year = {2010}, language = {de} } @article{Ippolito2010, author = {Ippolito, Antonella}, title = {Zur Stadtlandschaft Neapel bei Ermanno Rea}, series = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania : eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem}, journal = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania : eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem}, editor = {Klettke, Cornelia and Maag, Georg}, publisher = {Frank \& Timme}, address = {Berlin}, isbn = {978-3-86596-279-9}, pages = {265 -- 280}, year = {2010}, language = {de} } @article{Klettke2010, author = {Klettke, Cornelia}, title = {Paradiesmystik im Grenzbereich des Nicht-Darstellbaren : Par. XXX ; Dantes Wortgem{\"a}lde und Botticellis Zeichnung - Analyse eines Medienwechsels}, isbn = {978-88-6227-362- 6}, year = {2010}, language = {de} } @article{Klettke2010, author = {Klettke, Cornelia}, title = {Einleitung}, series = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania : eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem (Romanistik ; 7)}, journal = {Reflexe eines Umwelt- und Klimabewusstseins in fiktionalen Texten der Romania : eigentliches und uneigentliches Schreiben zu einem sich verdichtenden globalen Problem (Romanistik ; 7)}, editor = {Klettke, Cornelia and Maag, Georg}, publisher = {Frank \& Timme}, address = {Berlin}, isbn = {978-3-86596-279-9}, issn = {1860-1995}, pages = {11 -- 24}, year = {2010}, language = {de} } @article{HattermannLevermann2010, author = {Hattermann, Tore and Levermann, Anders}, title = {Response of Southern Ocean circulation to global warming may enhance basal ice shelf melting around Antarctica}, issn = {0930-7575}, doi = {10.1007/s00382-009-0643-3}, year = {2010}, abstract = {We investigate the large-scale oceanic features determining the future ice shelf-ocean interaction by analyzing global warming experiments in a coarse resolution climate model with a comprehensive ocean component. Heat and freshwater fluxes from basal ice shelf melting (ISM) are parameterized following Beckmann and Goosse [Ocean Model 5(2):157-170, 2003]. Melting sensitivities to the oceanic temperature outside of the ice shelf cavities are varied from linear to quadratic (Holland et al. in J Clim 21, 2008). In 1\% per year CO2-increase experiments the total freshwater flux from ISM triples to 0.09 Sv in the linear case and more than quadruples to 0.15 Sv in the quadratic case after 140 years at which 4 x 280 ppm = 1,120 ppm was reached. Due to the long response time of subsurface temperature anomalies, ISM thereafter increases drastically, if CO2 concentrations are kept constant at 1,120 ppm. Varying strength of the Antarctic circumpolar current (ACC) is crucial for ISM increase, because southward advection of heat dominates the warming along the Antarctic coast. On centennial timescales the ACC accelerates due to deep ocean warming north of the current, caused by mixing of heat along isopycnals in the Southern Ocean (SO) outcropping regions. In contrast to previous studies we find an initial weakening of the ACC during the first 150 years of warming. This purely baroclinic effect is due to a freshening in the SO which is consistent with present observations. Comparison with simulations with diagnosed ISM but without its influence on the ocean circulation reveal a number of ISM-related feedbacks, of which a negative ISM-feedback, due to the ISM-related local oceanic cooling, is the dominant one.}, language = {en} } @article{BornLevermann2010, author = {Born, Andreas and Levermann, Anders}, title = {The 8.2 ka event : abrupt transition of the subpolar gyre toward a modern North Atlantic circulation}, issn = {1525-2027}, doi = {10.1029/2009gc003024}, year = {2010}, abstract = {Climate model simulations of the 8.2 ka event show an abrupt strengthening of the Atlantic subpolar gyre that allows us to connect two major but apparently contradictory climate events of the early Holocene: the freshwater outburst from proglacial lakes and the onset of Labrador Sea water formation. The 8.2 ka event is the largest climatic signal of our present interglacial with a widespread cooling in the North Atlantic region about 8200 years before present. It coincides with a meltwater outburst from North American proglacial lakes that is believed to have weakened the Atlantic meridional overturning circulation and northward heat transport, followed by a recovery of the deep ocean circulation and rising temperatures after a few centuries. Marine proxy data, however, date the onset of deep water formation in Labrador Sea to the same time. The subsequent strengthening of the slope current system created a regional signal recorded as an abrupt and persistent surface temperature decrease. Although similarities in timing are compelling, a mechanism to reconcile these apparently contradictory events was missing. Our simulations show that an abrupt and persistent strengthening of the Atlantic subpolar gyre provides a plausible explanation. The intense freshwater pulse triggered a transition of the gyre circulation into a different mode of operation, stabilized by internal feedbacks and persistent after the cessation of the perturbation. As a direct consequence, deep water formation around its center intensifies. This corresponds to the modern flow regime and stabilizes the meridional overturning circulation, possibly contributing to the Holocene's climatic stability.}, language = {en} } @book{RichterEdeling2010, author = {Richter, Peter and Edeling, Thomas}, title = {Zwischen Entlastung und dem Traum von Wohlstand}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-102-8}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-48199}, publisher = {Universit{\"a}t Potsdam}, pages = {155}, year = {2010}, abstract = {Ausgehend von der These, dass kommunale Unternehmen gerade in strukturschwachen Regionen eine besondere politische und wirtschaftliche Bedeutung besitzen, wird die Entwicklung der kommunalen Wirtschaft im Land Brandenburg untersucht. Die Autoren bereiten dazu in einer L{\"a}ngsschnittanalyse nicht unmittelbar dazu abrufbare Daten der {\"o}ffentlichen Statistik auf und untersetzen die statistische Analyse durch eine Einzelfallstudie. Im Ergebnis wird deutlich, dass Entscheidungen {\"u}ber Privatisierungen oder Kommunalisierungen keinen „Sachgesetzlichkeiten" folgen, sondern politisch in Abh{\"a}ngigkeit von Situationsinterpretationen, Denkstilen, Macht- und Interessenkonstellationen getroffen werden. Die Offenheit der Entscheidung {\"u}ber die Zukunft der kommunalen Wirtschaft verweist damit auf politischen Handlungsspielraum und die politische Verantwortung f{\"u}r Ausbau, Erhalt oder Privatisierung kommunaler Unternehmen.}, language = {de} } @article{AdelsbergerKulkarniJainetal.2010, author = {Adelsberger, Joseph and Kulkarni, Amit and Jain, Abhinav and Wang, Weinan and Bivigou Koumba, Achille Mayelle and Busch, Peter and Pipich, Vitaliy and Holderer, Olaf and Hellweg, Thomas and Laschewsky, Andr{\´e} and M{\"u}ller-Buschbaum, Peter and Papadakis, Christine M.}, title = {Thermoresponsive PS-b-PNIPAM-b-PS micelles : aggregation behavior, segmental dynamics, and thermal response}, issn = {0024-9297}, doi = {10.1021/Ma902714p}, year = {2010}, abstract = {We have studied I lie thermal behavior of amphiphilic, symmetric triblock copolymers having short, deuterated polystyrene (PS) end blocks and a large poly(N-isopropylacrylarnicle) (PNIPAM) middle block exhibiting a lower critical solution temperature (LCST) in aqueous solution. A wide range of concentrations (0.1-300 mg/mL) is investigated using it number of analytical methods such as fluorescence correlation spectroscopy (FCS), turbidimetry, dynamic light scattering (DLS), small-angle neutron scattering (SANS), and neutron spin-echo spectroscopy (NSE). The critical micelle concentration is determined using FCS to be 1 mu M or less. The collapse of the micelles at the LCST is investigated using turbidimetry and DLS and shows a weak dependence on the degree of polymerization of the PNIPAM block. SANS with contrast matching allows its to reveal the core-shell Structure of the micelles as well as their correlation as a function of temperature. The segmental dynamics of the PNIPAM shell are studied as a function of temperature and arc found to be faster in the collapsed state than in the swollen state. The mode detected has a linear dispersion in q(2) and is found to be faster in the collapsed state as compared to the swollen state. We attribute this result to the averaging over mobile and immobilized segments.}, language = {en} } @article{BivigouKoumbaGoernitzLaschewskyetal.2010, author = {Bivigou Koumba, Achille Mayelle and Goernitz, Eckhard and Laschewsky, Andr{\´e} and M{\"u}ller-Buschbaum, Peter and Papadakis, Christine M.}, title = {Thermoresponsive amphiphilic symmetrical triblock copolymers with a hydrophilic middle block made of poly(N- isopropylacrylamide) : synthesis, self-organization, and hydrogel formation}, issn = {0303-402X}, doi = {10.1007/s00396-009-2179-9}, year = {2010}, abstract = {Several series of symmetrical triblock copolymers were synthesized by the reversible addition fragmentation chain transfer method. They consist of a long block of poly(N-isopropylacrylamide) as hydrophilic, thermoresponsive middle block, which is end-capped by two small strongly hydrophobic blocks made from five different vinyl polymers. The association of the amphiphilic polymers was studied in dilute and concentrated aqueous solution. The polymer micelles found at low concentrations form hydrogels at high concentrations, typically above 30-35 wt.\%. Hydrogel formation and the thermosensitive rheological behavior were studied exemplarily for copolymers with hydrophobic blocks of polystyrene, poly(2-ethylhexyl acrylate), and poly(n-octadecyl acrylate). All systems exhibited a cloud point around 30 A degrees C. Heating beyond the cloud point initially favors hydrogel formation but continued heating results in macroscopic phase separation. The rheological behavior suggests that the copolymers associate into flower-like micelles, with only a small share of polymers that bridge the micelles and act as physical cross-linkers, even at high concentrations.}, language = {en} } @book{OPUS4-7110, title = {Isaac Euchel}, series = {Aufkl{\"a}rung und Moderne}, journal = {Aufkl{\"a}rung und Moderne}, number = {15}, editor = {Aptroot, Marion and Kennecke, Andreas and Schulte, Christoph}, publisher = {Wehrhahn}, address = {Hannover}, isbn = {978-3-86525-215-9}, publisher = {Universit{\"a}t Potsdam}, pages = {380}, year = {2010}, abstract = {Isaac Euchel (1756-1804) war lange Zeit einer der zu Unrecht vergessenen j{\"u}dischen Aufkl{\"a}rer. Das hat sich erst seit wenigen Jahren ge{\"a}ndert: Seine bedeutende Rolle innerhalb der Haskala, der j{\"u}dischen Aufkl{\"a}rungsbewegung, wurde in der Forschung erkannt, seine wichtigen Schriften in hebr{\"a}ischer und jiddischer Sprache wiederentdeckt, {\"u}bersetzt und ediert. Euchel war ein vielseitiger Aufkl{\"a}rer: Er war Verleger und Kaufmann, Autor, Herausgeber und {\"U}bersetzer, schrieb in Deutsch, Hebr{\"a}isch und Jiddisch; er war zugleich in der j{\"u}dischen und in der christlichen Gesellschaft zu Hause, war Student Kants und Biograph Mendelssohns. In K{\"o}nigsberg und Berlin wurde er zum Organisator und Vernetzer der {\"u}ber halb Europa verstreuten Anh{\"a}nger der Haskala, die nach seiner Vorstellung durch die Erneuerung der hebr{\"a}ischen Sprache eine aufgekl{\"a}rte und moderne j{\"u}dische Kultur hervorbringen sollte. Anl{\"a}sslich seines 250. Geburtstags trafen sich Historiker, Hebraisten, Jiddisten, Judaisten und Literaturwissenschaftler aus Deutschland, {\"O}sterreich, Israel und den USA in Potsdam, um auf einer internationalen Tagung unter dem Titel »Vom Nutzen der Aufkl{\"a}rung oder: Woß tut me damit« sein Leben und Werk zu ehren und umfassend zu diskutieren. Der vorliegende Tagungsband b{\"u}ndelt die Fr{\"u}chte dieser Diskussionen und bietet einen {\"U}berblick {\"u}ber den Stand der Forschung.}, subject = {Euchel, Isaac Abraham}, language = {de} } @book{Homolka2010, author = {Homolka, Walter}, title = {Jesus von Nazareth : im Spiegel j{\"u}discher Forschung}, series = {J{\"u}dische Miniaturen}, volume = {85}, journal = {J{\"u}dische Miniaturen}, publisher = {Hentrich \& Hentrich}, address = {Berlin}, isbn = {978-3-942271-01-1}, pages = {135 S.}, year = {2010}, abstract = {Jesu Wahrnehmung im Judentum war vielgestaltig. Rabbiner Walter Homolka zeichnet eine Geschichte von Abgrenzung und Auseinandersetzung. Im 19. Jahrhundert fuehrte die "Heimholung Jesu" ins Judentum zu einer heute selbstbewussten Position. War Jesus aus juedischer Sicht Pharisaeer und Schriftgelehrter? Vielleicht. War er bedeutend? Ohne Zweifel. War er der Messias oder gar Gottes eigener Sohn? Nach juedischem Verstaendnis nein. Homolkas Buch laedt dazu ein, die zentrale Gestalt des Christentums aus der Perspektive des juedischen Glaubens zu betrachten. Besonders interessant sind die von Homolka aufgezeigten vielfaeltigen Versuche juedischer Wissenschaftler, die Lehre Jesu als "integralen Bestandteil der juedischen Tradition und Geschichte zu begreifen"; Versuche, die auch das christliche Jesus-Bild bereichern koennen - auch wenn juedisches und christliches Jesus-Bild letztlich doch auf entscheidende Weise different bleiben. (ORF Buchtipp)}, language = {de} } @book{HomolkaHafnerKosmanetal.2010, author = {Homolka, Walter and Hafner, Johann Evangelist and Kosman, Admiʾel and Karakoyun, Ercan}, title = {Muslime zwischen Tradition und Moderne : die G{\"u}len-Bewegung als Br{\"u}cke zwischen den Kulturen}, publisher = {Herder}, address = {Freiburg im Breisgau}, isbn = {978-3-451-30380-7}, pages = {240 S.}, year = {2010}, language = {de} } @book{BauerBrosiusGersdorfWindofferetal.2010, author = {Bauer, Hartmut and Brosius-Gersdorf, Frauke and Windoffer, Alexander and Krajewski, Markus and Platthoff, Frank and Schuppan, Tino and Buchta, Marko and Ruge, Kay}, title = {Die Europ{\"a}ische Dienstleistungsrichtlinie : Herausforderung f{\"u}r die Kommunen}, editor = {Bauer, Hartmut and B{\"u}chner, Christiane and Brosius-Gersdorf, Frauke}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-39074}, publisher = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Die europ{\"a}ische Dienstleistungsrichtlinie (Richtlinie 2006/123/EG des Europ{\"a}ischen Parlaments und des Rates vom 12. Dezember 2006 {\"u}ber Dienstleistungen im Binnenmarkt), die bis zum 28. Dezember 2009 in innerstaatliches Recht umgesetzt werden musste, stellt die Kommunen vor enorme rechtliche, verwaltungsorganisatorische und technische Herausforderungen. Zwei zentrale Anliegen der Richtlinie sind die Verpflichtung zur Einrichtung eines Einheitlichen Ansprechpartners, {\"u}ber den im Anwendungsbereich der Richtlinie s{\"a}mtliche erforderlichen Verfahren und Formalit{\"a}ten abgewickelt werden k{\"o}nnen, sowie die Gew{\"a}hrleistung einer elektronischen Verfahrensabwicklung. Die Entscheidung {\"u}ber die konkrete verwaltungsorganisatorische Verortung des Einheitlichen Ansprechpartners ist von den Bundesl{\"a}ndern zu treffen, die dabei durchaus unterschiedliche Wege gehen. Der vorliegende Tagungsband der 15. Jahrestagung des Kommunalwissenschaftlichen Institutes (KWI) der Universit{\"a}t Potsdam thematisierte die Instrumente der Dienstleistungsrichtlinie, diskutierte Strategien der Umsetzung und regte damit zu einem Erfahrungsaustausch zwischen Wissenschaft und Praxis an.}, language = {de} } @book{BauerBrosiusGersdorfLindemannetal.2010, author = {Bauer, Hartmut and Brosius-Gersdorf, Frauke and Lindemann, Rolf and Bermig, Klaus and Vorholz, Irene and B{\"o}ttcher, Karl-Ludwig and Hebeler, Timo and Regg, Jens and Geiger, Udo}, title = {Hartz IV im Umbruch : aktuelle Entwicklungen bei der Tr{\"a}gerschaft und den Leistungen der Grundsicherung f{\"u}r Arbeitssuchende}, editor = {Bauer, Hartmut and B{\"u}chner, Christiane and Brosius-Gersdorf, Frauke}, isbn = {978-3-86956-119-6}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-50177}, publisher = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Hartz IV steht als Chiffre f{\"u}r eine Sozialrechtsreform, mit der 2005 die Grundsicherung f{\"u}r Arbeitsuchende auf ein neues Fundament gestellt wurde. Die Reform war von Anbeginn umstritten. Streitpunkte waren sowohl die organisationsrechtliche Zuordnung der Tr{\"a}gerschaft (ARGE, Optionskommunen) als auch Voraussetzungen, Art und H{\"o}he der Leistungen nach dem damals neuen SGB II. Inzwischen hat das Bundesverfassungsgericht die in \S 44b SGB II geregelten Arbeitsgemeinschaften als verfassungswidrige Mischverwaltung eingestuft. Die Karlsruher Richter setzten dem Gesetzgeber f{\"u}r die Herstellung grundgesetzkonformer Zust{\"a}nde eine Frist l{\"a}ngstens bis Ende 2010. Mit Gesetz zur {\"A}nderung des Grundgesetzes (Art. 91e), in Kraft getreten am 27.07.2010, hat der Gesetzgeber den Auftrag des Bundesverfassungsgerichtes umgesetzt. Die Verfassung wurde um einen neuen Artikel 91e erg{\"a}nzt. Er schafft eine verfassungsrechtliche Grundlage f{\"u}r die Fortsetzung der Aufgabenwahrnehmung der SGB II-Leistungstr{\"a}ger in gemeinsamen Einrichtungen. Dadurch wird eine Ausnahme vom Verbot der Mischverwaltung f{\"u}r das Gebiet der Grundsicherung f{\"u}r Arbeitsuchende eingef{\"u}hrt. Nach Art. 91e Abs. 2 GG kann eine begrenzte Anzahl von kommunalen Tr{\"a}gern als alleinige Tr{\"a}ger der Grundsicherung f{\"u}r Arbeitssuchende zugelassen werden. Die Zulassung erfolgt auf Antrag des kommunalen Tr{\"a}gers und bedarf der Zustimmung der obersten Landesbeh{\"o}rde. Doch beschr{\"a}nken sich die Schwierigkeiten nicht allein auf die Verwaltungsorganisation und das Organisationsrecht. Vielmehr haben sich bei der praktischen Handhabung des SGB II auch im Leistungsrecht viele Schwachstellen gezeigt. Folge davon ist eine Klagenflut bei den Sozialgerichten, in deren Urteilen manche eine Fundgrube f{\"u}r gesetzgeberischen Nachbesserungsbedarf sehen. Hinzu kommen Reformvorschl{\"a}ge aus der Politik, die bis hin zu einer Arbeitspflicht reichen. Weitere Reformimpulse gehen vom Bundesverfassungsgericht aus, das unl{\"a}ngst in dem zentralen Bereich der Regelleistungen verfassungswidrige Vorschriften ausgemacht und damit weit {\"u}ber den konkreten Einzelfall hinaus zu einer Neubestimmung sozialstaatlicher Leistungen anregt. Die 16. Fachtagung des Kommunalwissenschaftlichen Institutes (KWI) der Universit{\"a}t Potsdam greift die ebenso aktuellen wie brisanten Entwicklungen bei der Tr{\"a}gerschaft und den Leistungen der Grundsicherung f{\"u}r Arbeitsuchende auf.}, language = {de} } @article{CaliendoFossenKritikos2010, author = {Caliendo, Marco and Fossen, Frank and Kritikos, Alexander}, title = {The impact of risk attitudes on entrepreneurial survival}, issn = {0167-2681}, doi = {10.1016/j.jebo.2010.02.012}, year = {2010}, abstract = {Risk attitudes influence the complete life cycle of entrepreneurs. Whereas recent research underpins the theoretical proposition of a positive correlation between risk attitudes and the decision to become self-employed, the effects on survival are not as straightforward. Psychological research posits an inverse U-shaped relationship between risk attitudes and entrepreneurial survival. On the basis of experimentally validated data of the German Socio-Economic Panel (SOEP), we examine the extent to which risk attitudes influence survival rates in self-employment in Germany. The empirical results confirm that persons whose risk attitudes are in the medium range survive significantly longer as entrepreneurs than do persons with particularly low or high risk attitudes.}, language = {en} } @book{Widdau2010, author = {Widdau, Christoph Sebastian}, title = {Kennen Sie Randegg?}, isbn = {978-3-86956-077-9}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-44788}, publisher = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Seit seiner ber{\"u}hmt-ber{\"u}chtigten Friedenspreisrede von 1998 nimmt die Anzahl der literaturwissenschaftlichen und -politischen Publikationen, die Martin Walsers Werk eine nationalistische und antisemitische Tendenz unterstellen, zu. Bisweilen wird Walser unterstellt, er suche {\"u}ber die Ausschließung des J{\"u}dischen das Nationale zu st{\"a}rken und behaupte die Unvers{\"o}hnlichkeit von T{\"a}tergemeinschaft und Opfergemeinschaft nach 1945. Das bislang in der Forschung wenig beachtete H{\"o}rspiel "Das Gespenst von Gattnau" l{\"a}sst die Annahme einer anderen Tendenz zu: die Tendenz zur Vers{\"o}hnung.}, language = {de} } @article{HeisterBartelsHeideetal.2010, author = {Heister, Julian and Bartels, Luise and Heide, Judith and W{\"u}rzner, Kay-Michael}, title = {Analysemethode und Datengrundlage k{\"o}nnen die Ergebnisse beeinflussen : selektiver Einfluss der Stammfrequenzen f{\"u}r ver-pr{\"a}figierte Verben}, year = {2010}, language = {de} } @article{TrauthMaslinDeinoetal.2010, author = {Trauth, Martin H. and Maslin, Mark A. and Deino, Alan L. and Junginger, Annett and Lesoloyia, Moses and Odada, Eric O. and Olago, Daniel O. and Olaka, Lydia A. and Strecker, Manfred and Tiedemann, Ralph}, title = {Human evolution in a variable environment : the amplifier lakes of Eastern Africa}, issn = {0277-3791}, doi = {10.1016/j.quascirev.2010.07.007}, year = {2010}, abstract = {The development of rise Cenozoic East African Rift System (EARS) profoundly re-shaped the landscape and significantly increased the amplitude of short-term environmental response to climate variation. In particular, the development of amplifier lakes in rift basins after three million years ago significantly contributed to this exceptional sensitivity of East Africa to climate change compared to elsewhere on the African continent. Amplifier lakes are characterized by tectonically-formed graben morphologies in combination with an extreme contrast between high precipitation in the elevated parts of the catchment and high evaporation in the lake area. Such amplifier lakes respond rapidly to moderate, precessional-forced climate shifts, and as they do so apply dramatic environmental pressure to the biosphere. Rift basins, when either extremely dry or lake-filled, form important barriers for migration, mixing and competition of different populations of animals and hominins. Amplifier lakes link long-term, high-amplitude tectonic processes and short-term environmental fluctuations. East Africa may have become the place where early humans evolved as a consequence of this strong link between different time scales. (C) 2010 Elsevier Ltd. All rights reserved.}, language = {en} } @article{WichuraBousquetOberhaenslietal.2010, author = {Wichura, Henry and Bousquet, Romain and Oberh{\"a}nsli, Roland and Strecker, Manfred and Trauth, Martin H.}, title = {Evidence for middleUocene uplift of the East African Plateau}, issn = {0091-7613}, doi = {10.1130/G31022.1}, year = {2010}, abstract = {Cenozoic uplift of the East African Plateau has been associated with fundamental climatic and environmental changes in East Africa and adjacent regions. While this influence is widely accepted, the timing and the magnitude of plateau uplift have remained unclear. This uncertainty stems from the lack of datable, geomorphically meaningful reference horizons that could record surface uplift. Here, we document the existence of significant relief along the East African Plateau prior to rifting, as inferred from modeling the emplacement history of one of the longest terrestrial lava flows, the similar to 300-km-long Yatta phonolite flow in Kenya. This 13.5 Ma lava flow originated on the present-day eastern Kenya Rift flank, and utilized a riverbed that once routed runoff from the eastern rim of the plateau. Combining an empirical viscosity model with subsequent cooling and using the Yatta lava flow geometry and underlying paleotopography (slope angle), we found that the prerift slope was at least 0.2 degrees, suggesting that the lava flow originated at a minimum elevation of 1400 m. Hence, high paleotopography in the Kenya Rift region must have existed by at least 13.5 Ma. We infer from this that middle Miocene uplift occurred, which coincides with the two-step expansion of grasslands, as well as important radiation and speciation events in tropical Africa.}, language = {en} } @article{HintersbergerThiedeStreckeretal.2010, author = {Hintersberger, Esther and Thiede, Rasmus Christoph and Strecker, Manfred and Hacker, Bradley R.}, title = {East-west extension in the NW Indian Himalaya}, issn = {0016-7606}, doi = {10.1130/B26589.1}, year = {2010}, abstract = {Explaining the presence of normal faults in overall compressive settings is a challenging problem in understanding the tectonics of active mountain belts. The Himalayan-Tibetan orogenic system is an excellent setting to approach this problem because it preserves one of the most dramatic records of long-term, contemporaneous shortening and extension. Over the past decades, several studies have described extensional features, not only in the Tibetan Plateau, but also in the Himalaya. For a long time, the favored model explained the function of the Southern Tibetan detachment system, a major fault zone in the Himalaya, as a decoupling horizon between the regime of crustal shortening forming the Himalayan wedge to the south and the extensional regime of the Tibetan Plateau to the north. However, in recent years, increasing evidence has shown that N-S-trending normal faults in the Central Himalaya crosscut not only the Southern Tibetan detachment system, but also the Main Central thrust. Here, we present new structural data and geologic evidence collected within the NW Indian Himalaya and combine them with previously published seismicity data sets in order to document pervasive E-W extension accommodated along N-S-trending faults extending as far south as the footwall of the Main Central thrust. We conducted a kinematic analysis of fault striations on brittle faults, documented and mapped fault scarps in Quaternary sedimentary deposits using satellite imagery, and made field observations in the Greater Sutlej region (Spiti, Lahul, Kinnaur) and the Garhwal Himalaya. Studies of extensional features within the regionally NW- SE-trending NW Indian Himalaya provide the advantage that arc-parallel and E-W extension can be separated, in contrast to the Central Himalaya. Therefore, our observations of E-W extension in the Indian NW Himalaya are well suited to test the applicability of current tectonic models for the whole Himalaya. We favor the interpretation of E-W extension in the NW Indian Himalaya as a propagation of extension driven by collapse of the Tibetan Plateau.}, language = {en} } @phdthesis{Landgraf2010, author = {Landgraf, Angela}, title = {Fault interaction at different time- and length scales : the North Tehran thrust and Mosha-Fasham fault (Alborz mountains, Iran)}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-50800}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {The seismically active Alborz mountains of northern Iran are an integral part of the Arabia-Eurasia collision. Linked strike-slip and thrust/reverse-fault systems in this mountain belt are characterized by slow loading rates, and large earthquakes are highly disparate in space and time. Similar to other intracontinental deformation zones such a pattern of tectonic activity is still insufficiently understood, because recurrence intervals between seismic events may be on the order of thousands of years, and are thus beyond the resolution of short term measurements based on GPS or instrumentally recorded seismicity. This study bridges the gap of deformation processes on different time scales. In particular, my investigation focuses on deformation on the Quaternary time scale, beyond present-day deformation rates, and it uses present-day and paleotectonic characteristics to model fault behavior. The study includes data based on structural and geomorphic mapping, faultkinematic analysis, DEM-based morphometry, and numerical fault-interaction modeling. In order to better understand the long- to short term behavior of such complex fault systems, I used geomorphic surfaces as strain markers and dated fluvial and alluvial surfaces using terrestrial cosmogenic nuclides (TCN, 10Be, 26Al, 36Cl) and optically stimulated luminescence (OSL). My investigation focuses on the seismically active Mosha-Fasham fault (MFF) and the seismically virtually inactive North Tehran Thrust (NTT), adjacent to the Tehran metropolitan area. Fault-kinematic data reveal an early mechanical linkage of the NTT and MFF during an earlier dextral transpressional stage, when the shortening direction was oriented northwest. This regime was superseded by Pliocene to Recent NE-oriented shortening, which caused thrusting and sinistral strike-slip faulting. In the course of this kinematic changeover, the NTT and MFF were reactivated and incorporated into a nascent transpressional duplex, which has significantly affected landscape evolution in this part of the range. Two of three distinctive features which characterize topography and relief in the study area can be directly related to their location inside the duplex array and are thus linked to interaction between eastern MFF and NTT, and between western MFF and Taleghan fault, respectively. To account for inferred inherited topography from the previous dextral-transpression regime, a new concept of tectonic landscape characterization has been used. Accordingly, I define simple landscapes as those environments, which have developed during the influence of a sustained tectonic regime. In contrast, composite landscapes contain topographic elements inherited from previous tectonic conditions that are inconsistent with the regional present-day stress field and kinematic style. Using numerical fault-interaction modeling with different tectonic boundary conditions, I calculated synoptic snapshots of artificial topography to compare it with the real topographic metrics. However, in the Alborz mountains, E-W faults are favorably oriented to accommodate the entire range of NW- to NE-directed compression. These faults show the highest total displacement which might indicate sustained faulting under changing boundary conditions. In contrast to the fault system within and at the flanks of the Alborz mountains, Quaternary deformation in the adjacent Tehran plain is characterized by oblique motion and thrust and strike-slip fault systems. In this morphotectonic province fault-propagation folding along major faults, limited strike-slip motion, and en-{\´e}chelon arrays of second-order upper plate thrusts are typical. While the Tehran plain is characterized by young deformation phenomena, the majority of faulting took place in the early stages of the Quaternary and during late Pliocene time. TCN-dating, which was performed for the first time on geomorphic surfaces in the Tehran plain, revealed that the oldest two phases of alluviation (units A and B) must be older than late Pleistocene. While urban development in Tehran increasingly covers and obliterates the active fault traces, the present-day kinematic style, the vestiges of formerly undeformed Quaternary landforms, and paleo earthquake indicators from the last millennia attest to the threat that these faults and their related structures pose for the megacity.}, language = {en} } @article{ToeroekBergerKliem2010, author = {T{\"o}r{\"o}k, Tibor and Berger, Mitch A. and Kliem, Bernhard}, title = {The writhe of helical structures in the solar corona}, issn = {0004-6361}, doi = {10.1051/0004-6361/200913578}, year = {2010}, abstract = {Context. Helicity is a fundamental property of magnetic fields, conserved in ideal MHD. In flux rope geometry, it consists of twist and writhe helicity. Despite the common occurrence of helical structures in the solar atmosphere, little is known about how their shape relates to the writhe, which fraction of helicity is contained in writhe, and how much helicity is exchanged between twist and writhe when they erupt. Aims. Here we perform a quantitative investigation of these questions relevant for coronal flux ropes. Methods. The decomposition of the writhe of a curve into local and nonlocal components greatly facilitates its computation. We use it to study the relation between writhe and projected S shape of helical curves and to measure writhe and twist in numerical simulations of flux rope instabilities. The results are discussed with regard to filament eruptions and coronal mass ejections (CMEs). Results. (1) We demonstrate that the relation between writhe and projected S shape is not unique in principle, but that the ambiguity does not affect low- lying structures, thus supporting the established empirical rule which associates stable forward (reverse) S shaped structures low in the corona with positive (negative) helicity. (2) Kink-unstable erupting flux ropes are found to transform a far smaller fraction of their twist helicity into writhe helicity than often assumed. (3) Confined flux rope eruptions tend to show stronger writhe at low heights than ejective eruptions (CMEs). This argues against suggestions that the writhing facilitates the rise of the rope through the overlying field. (4) Erupting filaments which are S shaped already before the eruption and keep the sign of their axis writhe (which is expected if field of one chirality dominates the source volume of the eruption), must reverse their S shape in the course of the rise. Implications for the occurrence of the helical kink instability in such events are discussed. (5) The writhe of rising loops can easily be estimated from the angle of rotation about the direction of ascent, once the apex height exceeds the footpoint separation significantly. Conclusions. Writhe can straightforwardly be computed for numerical data and can often be estimated from observations. It is useful in interpreting S shaped coronal structures and in constraining models of eruptions.}, language = {en} } @article{ValoriKliemToeroeketal.2010, author = {Valori, Gherardo and Kliem, Bernhard and T{\"o}r{\"o}k, Tibor and Titov, Viacheslav S.}, title = {Testing magnetofrictional extrapolation with the Titov-Demoulin model of solar active regions}, issn = {0004-6361}, doi = {10.1051/0004-6361/201014416}, year = {2010}, abstract = {We examine the nonlinear magnetofrictional extrapolation scheme using the solar active region model by Titov and Demoulin as test field. This model consists of an arched, line-tied current channel held in force-free equilibrium by the potential field of a bipolar flux distribution in the bottom boundary. A modified version with a parabolic current density profile is employed here. We find that the equilibrium is reconstructed with very high accuracy in a representative range of parameter space, using only the vector field in the bottom boundary as input. Structural features formed in the interface between the flux rope and the surrounding arcade - "hyperbolic flux tube" and "bald patch separatrix surface" - are reliably reproduced, as are the flux rope twist and the energy and helicity of the configuration. This demonstrates that force-free fields containing these basic structural elements of solar active regions can be obtained by extrapolation. The influence of the chosen initial condition on the accuracy of reconstruction is also addressed, confirming that the initial field that best matches the external potential field of the model quite naturally leads to the best reconstruction. Extrapolating the magnetogram of a Titov-Demoulin equilibrium in the unstable range of parameter space yields a sequence of two opposing evolutionary phases, which clearly indicate the unstable nature of the configuration: a partial buildup of the flux rope with rising free energy is followed by destruction of the rope, losing most of the free energy.}, language = {en} } @article{CarrapaHauerSchoenbohmetal.2010, author = {Carrapa, Barbara and Hauer, Joern and Schoenbohm, Lindsay M. and Strecker, Manfred and Schmitt, Axel K. and Villanueva, Arturo and Gomez, Jos{\´e} Sosa}, title = {Dynamics of deformation and sedimentation in the northern Sierras Pampeanas : an integrated study of the Neogene Fiambal{\´a} basin, NW Argentina ; reply}, issn = {0016-7606}, doi = {10.1130/B30134.1}, year = {2010}, language = {en} } @phdthesis{Scherler2010, author = {Scherler, Dirk}, title = {Climate variability and glacial dynamics in the Himalaya}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-49871}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {In den Hochgebirgen Asiens bedecken Gletscher eine Fl{\"a}che von ungef{\"a}hr 115,000 km² und ergeben damit, neben Gr{\"o}nland und der Antarktis, eine der gr{\"o}ßten Eisakkumulationen der Erde. Die Sensibilit{\"a}t der Gletscher gegen{\"u}ber Klimaschwankungen macht sie zu wertvollen pal{\"a}oklimatischen Archiven in Hochgebirgen, aber gleichzeitig auch anf{\"a}llig gegen{\"u}ber rezenter und zuk{\"u}nftiger globaler Erw{\"a}rmung. Dies kann vor allem in dicht besiedelten Gebieten S{\"u}d-, Ost- und Zentralasiens zu großen Problem f{\"u}hren, in denen Gletscher- und Schnee-Schmelzw{\"a}sser eine wichtige Ressource f{\"u}r Landwirtschaft und Stromerzeugung darstellen. Eine erfolgreiche Prognose des Gletscherverhaltens in Reaktion auf den Klimawandel und die Minderung der sozio{\"o}konomischen Auswirkungen erfordert fundierte Kenntnisse der klimatischen Steuerungsfaktoren und der Dynamik asiatischer Gletscher. Aufgrund ihrer Abgeschiedenheit und dem erschwerten Zugang gibt es nur wenige glaziologische Gel{\"a}ndestudien, die zudem r{\"a}umlich und zeitlich sehr begrenzt sind. Daher fehlen bisher grundlegende Informationen {\"u}ber die Mehrzahl asiatischer Gletscher. In dieser Arbeit benutze ich verschiedene Methoden, um die Dynamik asiatischer Gletscher auf mehreren Zeitskalen zu untersuchen. Erstens teste ich eine Methode zur pr{\"a}zisen satelliten-gest{\"u}tzten Messung von Gletscheroberfl{\"a}chen-Geschwindigkeiten. Darauf aufbauend habe ich eine umfassende regionale Erhebung der Fliessgeschwindigkeiten und Frontdynamik asiatischer Gletscher f{\"u}r die Jahre 2000 bis 2008 durchgef{\"u}hrt. Der gewonnene Datensatz erlaubt einmalige Einblicke in die topographischen und klimatischen Steuerungsfaktoren der Gletscherfließgeschwindigkeiten in den Gebirgsregionen Hochasiens. Insbesondere dokumentieren die Daten rezent ungleiches Verhalten der Gletscher im Karakorum und im Himalaja, welches ich auf die konkurrierenden klimatischen Einfl{\"u}sse der Westwinddrift im Winter und des Indischen Monsuns im Sommer zur{\"u}ckf{\"u}hre. Zweitens untersuche ich, ob klimatisch bedingte Ost-West Unterschiede im Gletscherverhalten auch auf l{\"a}ngeren Zeitskalen eine Rolle spielen und gegebenenfalls f{\"u}r dokumentierte regional asynchrone Gletschervorst{\"o}ße relevant sind. Dazu habe ich mittels kosmogener Nuklide Oberfl{\"a}chenalter von erratischen Bl{\"o}cken auf Mor{\"a}nen ermittelt und eine glaziale Chronologie f{\"u}r das obere Tons Tal, in den Quellgebieten des Ganges, erstellt. Dieses Gebiet befindet sich in der {\"U}bergangszone von monsunaler zu Westwind beeinflusster Feuchtigkeitszufuhr und ist damit ideal gelegen, um die Auswirkungen dieser beiden atmosph{\"a}rischen Zirkulationssysteme auf Gletschervorst{\"o}ße zu untersuchen. Die ermittelte glaziale Chronologie dokumentiert mehrere Gletscherschwankungen w{\"a}hrend des Endstadiums der letzten Pleistoz{\"a}nen Vereisung und w{\"a}hrend des Holz{\"a}ns. Diese weisen darauf hin, dass Gletscherschwankungen im westlichen Himalaja weitestgehend synchron waren und auf graduelle glaziale-interglaziale Temperaturver{\"a}nderungen, {\"u}berlagert von monsunalen Niederschlagsschwankungen h{\"o}herer Frequenz, zur{\"u}ck zu f{\"u}hren sind. In einem dritten Schritt kombiniere ich Satelliten-Klimadaten mit Eisfluss-Absch{\"a}tzungen und topographischen Analysen, um den Einfluss der Gletscher Hochasiens auf die Reliefentwicklung im Hochgebirge zu untersuchen. Die Ergebnisse dokumentieren ausgepr{\"a}gte meridionale Unterschiede im Grad und im Stil der Vergletscherung und glazialen Erosion in Abh{\"a}ngigkeit von topographischen und klimatischen Faktoren. Gegens{\"a}tzlich zu bisherigen Annahmen deuten die Daten darauf hin, dass das monsunale Klima im zentralen Himalaja die glaziale Erosion schw{\"a}cht und durch den Erhalt einer steilen orographischen Barriere das Tibet Plateau vor lateraler Zerschneidung bewahrt. Die Ergebnisse dieser Arbeit dokumentieren, wie klimatische und topographische Gradienten die Gletscherdynamik in den Hochgebirgen Asiens auf Zeitskalen von 10^0 bis 10^6 Jahren beeinflussen. Die Reaktionszeit der Gletscher auf Klimaver{\"a}nderungen sind eng an Eigenschaften wie Schuttbedeckung und Neigung gekoppelt, welche ihrerseits von den topographischen Verh{\"a}ltnissen bedingt sind. Derartige Einflussfaktoren m{\"u}ssen bei pal{\"a}oklimatischen Rekonstruktion und Vorhersagen {\"u}ber die Entwicklung asiatischer Gletscher ber{\"u}cksichtigt werden. Desweiteren gehen die regionalen topographischen Unterschiede der vergletscherten Gebiete Asiens teilweise auf klimatische Gradienten und den langfristigen Einfluss der Gletscher auf die topographische Entwicklung des Gebirgssystems zur{\"u}ck.}, language = {en} } @phdthesis{Gulina2010, author = {Gulina, Olga R.}, title = {Rechtspolitische und rechtliche Probleme der Zuwanderung}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-066-3}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-43127}, school = {Universit{\"a}t Potsdam}, pages = {302}, year = {2010}, abstract = {Die Zuwanderung und der Integration von Zuwanderern aus den GUS-Staaten in Deutschland ist eine bedeutsame politische und rechtliche Thematik. Diese Thematik ist in Deutschland bisher noch wenig untersucht und nur in Teilbereichen bearbeitet. Deshalb untersucht das vorgestellte Werk folgende Fragen und Aspekte: Analyse der Zuwanderung aus den GUS-Staaten; Darstellung von Zuwanderungsgruppen aus den GUS-Staaten und ihres rechtlichen Status; die Wellen der Zuwanderung anhand der Zuwanderer aus den GUS-Staaten, einschließlich (Sp{\"a}t)Aussiedlern und j{\"u}dische Zuwanderern, tschetschenischen Asylsuchenden, Familienangeh{\"o}rige, Studierende, qualifizierte Arbeitskrafte usw., Analyse der Integrationsprogramme und Integrationsmaßnahmen f{\"u}r die Zuwanderer aus den GUS-Staaten; Darstellung der Integrationschancen und Integrationshemmnisse am Beispiel der Zuwanderer aus den GUS-Staaten, einschließlich das Recht auf Annerkennung der akademischen und beruflichen Qualifikation, das Recht auf Arbeit u.a., die russischen R{\"u}ckkehr- und (Reintegrations-) Programme f{\"u}r die im Bundesgebiet lebenden Zuwanderer aus den GUS-Staaten - ihre Analyse und Bewertung. Eine weitere Besonderheit der Ver{\"o}ffentlichung besteht darin, dass die Autorin Ihre wissenschaftlichen Ausf{\"u}hrungen zur rechtlichen Stellung der GUS-Zuwanderer und zu den Erfolgen bei ihrer Integration, aber auch zu den Integrationshemmnissen und Integrationsproblemen auf eine soziologische Befragung von Zuwanderern aus den GUS-Staaten in den L{\"a}ndern Brandenburg und Berlin st{\"u}tzt. Die empirische Untersuchung bezieht sich auf den Zeitraum 1991 bis 2009.}, language = {de} } @phdthesis{Tessmann2010, author = {Tessmann, Jens}, title = {Die Zukunft der Kreise in Deutschland zwischen Aufgabenkooperation und Territorialreform : Rahmenbedingungen, Herausforderungen, Reformstrategien und Personalintegration als Schwerpunkt der Reformumsetzung}, isbn = {978-3-86956-080-9}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-45514}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Als Schnittstelle zwischen der Lokal- und der Staatsebene konnten die Landkreise ihre Stellung im politischen System Deutschlands bewahren und ausbauen. Optimierungsbedarf hat sich aufgrund des sozio{\"o}konomischen, technischen und demographischen Wandel sowie der {\"o}ffentlichen Finanzkrise ergeben. Kreisgebietsreformmodelle und die Ausweitung der Aufgabenkooperation dominieren die Reformdebatte. Neben den verfassungsrechtlichen Anforderungen und der Akzeptanz der Reform bei den Betroffenen ist der Reformerfolg wesentlich von der Qualit{\"a}t der Umsetzungsstrategie abh{\"a}ngig. Der aktivierenden Einbeziehung der Mitarbeiter in den Reformprozess kommt dabei eine besondere Bedeutung zu.}, language = {de} } @book{Tessmann2010, author = {Tessmann, Jens}, title = {Die Zukunft der Kreise in Deutschland zwischen Aufgabenkooperation und Territorialreform}, series = {KWI-Gutachten}, journal = {KWI-Gutachten}, edition = {2. durchges. Aufl.}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-172-1}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-58145}, publisher = {Universit{\"a}tsverlag Potsdam}, pages = {325}, year = {2010}, abstract = {Als Schnittstelle zwischen der Lokal- und der Staatsebene konnten die Landkreise ihre Stellung im politischen System Deutschlands bewahren und ausbauen. Optimierungsbedarf hat sich aufgrund des sozio{\"o}konomischen, technischen und demographischen Wandel sowie der {\"o}ffentlichen Finanzkrise ergeben. Kreisgebietsreformmodelle und die Ausweitung der Aufgabenkooperation dominieren die Reformdebatte. Neben den verfassungsrechtlichen Anforderungen und der Akzeptanz der Reform bei den Betroffenen ist der Reformerfolg wesentlich von der Qualit{\"a}t der Umsetzungsstrategie abh{\"a}ngig. Der aktivierenden Einbeziehung der Mitarbeiter in den Reformprozess kommt dabei eine besondere Bedeutung zu.}, language = {de} } @misc{Wels2010, author = {Wels, Volkhard}, title = {Sebastian Brants "Narrenschiff" als Sammlung von Argumenten im Sinne von Rudolf Agricolas "De formando studio"}, series = {Postprints der Universit{\"a}t Potsdam : Philosophische Reihe}, journal = {Postprints der Universit{\"a}t Potsdam : Philosophische Reihe}, number = {100}, issn = {1866-8380}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-90610}, pages = {20}, year = {2010}, abstract = {Die These des Aufsatzes lautet, dass es sich bei Sebastian Brants „Narrenschiff" um einen Text handelt, der entsprechend der Prinzipien verstanden werden kann, die Rudolf Agricola f{\"u}r das Sammeln von Argumenten formuliert hat. Das Gr{\"u}ndungsdokument dieser humanistischen Methode, die unter dem Begriff der „loci communes" Geschichte gemacht hat, ist ein Brief Agricolas aus dem Jahr 1484. Ein erster Teil des Aufsatzes stellt Agricolas Argumentationstheorie dar, ein zweiter Teil zeigt, dass Brants „Narrenschiff" als Ergebnis dieser Argumentationstheorie verstanden werden kann.}, language = {de} } @misc{Wels2010, author = {Wels, Volkhard}, title = {'Gelegenheitsdichtung'}, series = {Postprints der Universit{\"a}t Potsdam : Philosophische Reihe}, journal = {Postprints der Universit{\"a}t Potsdam : Philosophische Reihe}, number = {99}, issn = {1866-8380}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-90608}, pages = {23}, year = {2010}, abstract = {Der Beitrag dient als Einf{\"u}hrung in einen Sammelband zu "Theorie und Praxis der Kasualdichtung in der Fr{\"u}hen Neuzeit". Er setzt sich kritisch mit dem Begriff der "Gelegenheitsdichtung" auseinander.}, language = {de} } @phdthesis{Gloeckner2010, author = {Gl{\"o}ckner, Olaf}, title = {Immigrated Russian Jewish elites in Israel and Germany after 1990}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-50369}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Russian Jews who left the Former Soviet Union (FSU) and its Successor States after 1989 are considered as one of the best qualified migrants group worldwide. In the preferred countries of destination (Israel, the United States and Germany) they are well-known for cultural self-assertion, strong social upward mobility and manifold forms of self organisation and empowerment. Using Suzanne Kellers sociological model of "Strategic Elites", it easily becomes clear that a huge share of the Russian Jewish Immigrants in Germany and Israel are part of various elites due to their qualification and high positions in the FSU - first of all professional, cultural and intellectual elites ("Intelligentsija"). The study aimed to find out to what extent developments of cultural self-assertion, of local and transnational networking and of ethno-cultural empowerment are supported or even initiated by the immigrated (Russian Jewish) Elites. The empirical basis for this study have been 35 half-structured expert interviews with Russian Jews in both countries (Israel, Germany) - most of them scholars, artists, writers, journalists/publicists, teachers, engineers, social workers, students and politicians. The qualitative analysis of the interview material in Israel and Germany revealed that there are a lot of commonalities but also significant differences. It was obvious that almost all of the interview partners remained to be linked with Russian speaking networks and communities, irrespective of their success (or failure) in integration into the host societies. Many of them showed self-confidence with regard to the groups' amazing professional resources (70\% of the adults with academic degree), and the cultural, professional and political potential of the FSU immigrants was usually considered as equal to those of the host population(s). Thus, the immigrants' interest in direct societal participation and social acceptance was accordingly high. Assimilation was no option. For the Russian Jewish "sense of community" in Israel and Germany, Russian Language, Arts and general Russian culture have remained of key importance. The Immigrants do not feel an insuperable contradiction when feeling "Russian" in cultural terms, "Jewish" in ethnical terms and "Israeli" / "German" in national terms - in that a typical case of additive identity shaping what is also significant for the Elites of these Immigrants. Tendencies of ethno-cultural self organisation - which do not necessarily hinder impressing individual careers in the new surroundings - are more noticeable in Israel. Thus, a part of the Russian Jewish Elites has responded to social exclusion, discrimination or blocking by local population (and by local elites) with intense efforts to build (Russian Jewish) Associations, Media, Educational Institutions and even Political Parties. All in all, the results of this study do very much contradict popular stereotypes of the Russian Jewish Immigrant as a pragmatic, passive "Homo Sovieticus". Among the Interview Partners in this study, civil-societal commitment was not the exception but rather the rule. Traditional activities of the early, legendary Russian „Intelligentsija" were marked by smooth transitions from arts, education and societal/political commitment. There seem to be certain continuities of this self-demand in some of the Russian Jewish groups in Israel. Though, nothing comparable could be drawn from the Interviews with the Immigrants in Germany. Thus, the myth and self-demand of Russian "Intelligentsija" is irrelevant for collective discourses among Russian Jews in Germany.}, language = {en} } @article{FoxWakkerSmokeretal.2010, author = {Fox, Andrew J. and Wakker, Bart P. and Smoker, Jonathan V. and Richter, Philipp and Savage, Blair D. and Sembach, Kenneth R.}, title = {Exploring the origin and fate of the Magellanic stream with ultraviolet and optical absorption}, issn = {0004-637X}, doi = {10.1088/0004-637x/718/2/1046}, year = {2010}, abstract = {We present an analysis of ionization and metal enrichment in the Magellanic Stream (MS), the nearest gaseous tidal stream, using Hubble Space Telescope/STIS and FUSE ultraviolet spectroscopy of two background active galactic nuclei. The targets are NGC 7469, lying directly behind the MS with log N(H I)(MS) = 18.63 +/- 0.03(stat) +/- 0.08(syst), and Mrk 335, lying 24 degrees.7 away with log N(H I)(MS) = 16.67 +/- 0.05. For NGC 7469, we include optical spectroscopy from VLT/UVES. In both sight lines, the MS is detected in low-ion (O I, C II, C III, Si II, Si III, Al II, Ca II) and high-ion (O VI, C IV, Si IV) absorption. Toward NGC 7469, we measure an MS oxygen abundance [O/H](MS) = [O I/ H I]= -1.00 +/- 0.05(stat) +/- 0.08(syst), supporting the view that the Stream originates in the Small Magellanic Cloud rather than the Large Magellanic Cloud. We use CLOUDY to model the low-ion phase of the Stream as a photoionized plasma using the observed Si III/Si II and C III/C II ratios. Toward Mrk 335, this yields an ionization parameter between log U= -3.45 and -3.15, a gas density log (n(H)/cm(-3)) between-2.51 and -2.21, and a hydrogen ionization fraction of 98.9\%- 99.5\%. Toward NGC 7469, we derive sub-solar abundance ratios for [Si/O], [Fe/O], and [Al/O], indicating the presence of dust in the MS. The high-ion column densities are too large to be explained by photoionization, but also cannot be explained by a single-temperature collisional ionization model (equilibrium or non-equilibrium). This suggests that the high-ion plasma is multi-phase, with an Si IV region, a hotter O VI region, and C IV potentially contributing to each. Summing over the low-ion and high-ion phases, we derive conservative lower limits on the ratio N(total H II)/N(H I) of greater than or similar to 19 toward NGC 7469 and greater than or similar to 330 toward Mrk 335, showing that along these two directions the vast majority of the Stream has been ionized. The presence of warm-hot plasma together with the small-scale structure observed at 21 cm provides evidence for an evaporative interaction with the hot Galactic corona. This scenario, predicted by hydrodynamical simulations, suggests that the fate of the MS will be to replenish the Galactic corona with new plasma, rather than to bring neutral fuel to the disk.}, language = {en} } @article{EichlerGuettaPohl2010, author = {Eichler, David and Guetta, Dafne and Pohl, Martin}, title = {The high energy budget allocations in shocks and gamma ray bursts}, issn = {0004-637X}, doi = {10.1088/0004-637x/722/1/543}, year = {2010}, abstract = {The statistical distribution of energies among particles responsible for long gamma-ray burst (GRB) emission is analyzed in light of recent results of the Fermi Observatory. The all-sky flux, F., recorded by the Gamma-Ray Burst Monitor (GBM) is shown, despite its larger energy range, to be not significantly larger than that reported by the Burst and Transient Explorer, suggesting a relatively small flux in the 3-30MeV energy range. The present-day energy input rate in gamma-rays recorded by the GBM from long GRBs is found, assuming star formation rates in the literature, to be W(0) = 0.5F gamma H/c = 5x10(42) erg Mpc(-3) yr(-1). The Large Area Telescope fluence, when observed, is about 5\%-10\% per decade of the total, in good agreement with the predictions of saturated, nonlinear shock acceleration. The high- energy component of long GRBs, as measured by Fermi, is found to contain only similar to 10-2.5 of the energy needed to produce ultrahigh-energy cosmic rays (UHECRs) above 4 EeV, assuming the latter to be extragalactic, when various numerical factors are carefully included, if the cosmic-ray source spectrum has a spectral index of -2. The observed. - ray fraction of the required UHECR energy is even smaller if the source spectrum is softer than E-2. The AMANDA II limits rule out such a GRB origin for UHECRs if much more than 10(-2) of the cosmic-ray energy goes into neutrinos that are within, and simultaneous with, the gamma-ray beam. It is suggested that "orphan" neutrinos out of the gamma-ray beam might be identifiable via orphan afterglow or other wide angle signatures of GRBs in lieu of coincidence with prompt gamma-rays, and it is recommended that feasible single neutrino trigger criteria be established to search for such coincidences.}, language = {en} } @misc{Botsch2010, author = {Botsch, Gideon}, title = {Puschner, M., Antisemitismus im Kontext der politischen Romantik; T{\"u}bingen, Niemeyer, 2008}, issn = {0044-2828}, year = {2010}, language = {de} } @article{TomasZitzmannHomannetal.2010, author = {Tomas, Sara and Zitzmann, Max and Homann, Martin and Rumpf, Michael and Amour, Frederic and Benisek, Merle-Friederike and Betzler, Christian and Mutti, Maria}, title = {From ramp to platform : building a 3D model of depositional geometries and facies architectures in transitional carbonates in the Miocene, northern Sardinia}, issn = {0172-9179}, doi = {10.1007/s10347-009-0203-7}, year = {2010}, abstract = {The depositional geometry and facies distribution of an Early Miocene (Burdigalian) carbonate system in the Perfugas Basin (NW Sardinia) comprise a well-exposed example of a transition from a ramp to a steep-flanked platform. The carbonate succession (Sedini Limestone Unit) is composed of two depositional sequences separated by a major erosional unconformity. The lower (sequence 1) records a ramp dominated by heterozoan producers and the upper (sequence 2) is dominated by photozoan producers and displays a gradual steepening of the depositional profile into a steep- flanked platform. This paper shows the process of creating a digital outcrop model including a facies model. This process consists of combining field data sets, including 17 sedimentary logs, and a spatial dataset consisting of differential global positioning system data points measured along key stratigraphic surfaces and sedimentary logs, with the goal of locking traditional field observations into a 3D spatial model. Establishing a precise geometrical framework and visualizing the overall change in the platform geometry and the related vertical and lateral facies variations of the Sedini carbonate platform, allows us to better understand the sedimentary processes leading to the geometrical turn- over of the platform. Furthermore, a detailed facies modeling helps us to gain insight into the detailed depositional dynamics. The final model reproduces faithfully the depositional geometries observed in the outcrops and helps in understanding the relationships between facies and architectural framework at the basin scale. Moreover, it provides the basis to characterize semiquantitatively regional sedimentological features and to make further reservoir and subsurface analogue studies.}, language = {en} } @article{SiliverstovsOetschKemfertetal.2010, author = {Siliverstovs, Boriss and {\"O}tsch, Rainald and Kemfert, Claudia and Jaeger, Carlo and Haas, Armin and Kremers, Hans}, title = {Climate change and modelling of extreme temperatures in Switzerland}, issn = {1436-3240}, doi = {10.1007/s00477-009-0321-3}, year = {2010}, abstract = {This study models maximum temperatures in Switzerland monitored in twelve locations using the generalised extreme value (GEV) distribution. The parameters of the GEV distribution are determined within a Bayesian framework. We find that the parameters of the underlying distribution underwent a substantial change in the beginning of the 1980s. This change is characterised by an increase both in the level and the variability. We assess the likelihood of the heat wave of the summer 2003 using the fitted GEV distribution by accounting for the presence of a structural break. The estimation results do suggest that the heat wave of 2003 is not that statistically improbable if an appropriate methodology is used for dealing with nonstationarity.}, language = {en} } @article{WilkeO'BrienGerdesetal.2010, author = {Wilke, Franziska Daniela Helena and O'Brien, Patrick J. and Gerdes, Axel and Timmerman, Martin Jan and Sudo, Masafumi and Khan, M. Ahmed}, title = {The multistage exhumation history of the Kaghan Valley UHP series, NW Himalaya, Pakistan from U-Pb and Ar-40/Ar- 39 ages}, issn = {0935-1221}, doi = {10.1127/0935-1221/2010/0022-2051}, year = {2010}, abstract = {Amphibole and mica Ar-40/Ar-39 ages as well as zircon, rutile and titanite U-Pb geochronology of eclogites and associated host rocks from the Higher Himalayan Crystalline Nappes (Indian Plate) in the Upper Kaghan Valley, Pakistan allow distinction of a multistage exhumation history. An Eocene age for peak-pressure metamorphism has been obtained by phengite Ar-40/Ar-39 (47.3 +/- 0.3 Ma) and zircon U-Pb (47.3 +/- 0.4 and 47.4 +/- 0.3 Ma) ages from cover and basement gneisses. A very short-lived metamorphic peak and rapid cooling is documented by an amphibole Ar-40/Ar-39 age of 46.6 +/- 0.5 Ma and a rutile U-Pb age of 44.1 +/- 1.3 Ma from eclogites. Phengite and biotite ages from cover and basement sequences metamorphosed during the Himalayan orogeny are 34.5 +/- 0.2 to 28.1 +/- 0.2 Ma whereas youngest biotites, yielding 23.6 +/- 0.1 and 21.7 +/- 0.2 Ma, probably reflect argon partial resetting. The amphibole age, together with those derived from phengite and zircon demonstrate a rate of initial exhumation of 86-143 mm/a i.e. an extremely rapid transport of the Indian Plate continental crust from ultra-high pressure (UHP) conditions back to crustal levels (47-46 Ma for transport from 140 to 40 km depth). Subsequent exhumation (46-41 Ma, 40-35 km) slowed to about 1 mm/a at the base of the continental crust but increased again later towards slightly higher exhumation rates of ca. 2 mm/a (41-34 Ma, 35- 20 km). This indicates a change from buoyancy-driven exhumation at mantle depths to compression forces related to continent-continent collision and accompanied crustal folding, thrusting and stacking that finally exposed the former deeply-buried rocks.}, language = {en} } @article{VasquezAltenbergerRomeretal.2010, author = {Vasquez, M{\´o}nica and Altenberger, Uwe and Romer, Rolf L. and Sudo, Masafumi and Moreno-Murillo, Juan Manuel}, title = {Magmatic evolution of the Andean Eastern Cordillera of Colombia during the Cretaceous : Influence of previous tectonic processes}, issn = {0895-9811}, doi = {10.1016/j.jsames.2009.02.003}, year = {2010}, abstract = {The Eastern Cordillera of the Colombian Andes represents an inverted Cretaceous basin where Cretaceous magmatism is characterized by rare mafic dykes and sills. We use Ar-40/Ar-39, Sr-Nd-Pb isotopes, as well as major and trace elements analyses of Cretaceous intrusions from both flanks of the Eastern Cordillera in combination with structural data to document the complex evolution of the basin. Magmatism, which is diachronous and geochemically diverse, seems to be related to mantle melting beneath the most subsiding segments of each sub-basin during enhanced extensional tectonics. The mafic intrusions display two different compositional series: an alkaline one with OIB-like pattern and a tholeiitic one with MORB-like features. This indicates at least two diverse mantle sources. Trace-element patterns suggest that the intrusions were emplaced in an extensional setting. Ar-40/Ar-39 dating on primary plagioclase and hornblende provides plateau ages between similar to 136 and similar to 74 Ma. The geochemical and temporal diversities show that the emplacement of the magmas was tectonically controlled, each sub-basin reflecting an individual subsidence event.}, language = {en} } @misc{OPUS4-4089, title = {Jahresbericht 2009}, volume = {2009}, editor = {Klein, Eckart and Menke, Christoph}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, issn = {2191-5857}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-41865}, year = {2010}, abstract = {Inhalt: 1. Allgemeiner {\"U}berblick 2. Organisationsstruktur des MRZ 2.1 Status des Zentrums 2.2 Leitung und Mitarbeiter 2.3 Beirat 2.4 F{\"o}rderverein 3. Aktivit{\"a}ten im Berichtszeitraum 3.1 Forschung 3.2 Promotionen 3.3 Wissenschaftliche Veranstaltungen 3.4 Lehre und Weiterbildung 3.5 Publikationen - Neuerscheinungen 2009 3.6 Bibliothek 3.7 Chronologie der Aktivit{\"a}ten 4. Anhang 4.1 Bisherige Tagungen 4.2 Schriften des MenschenRechtsZentrums 4.3 Satzung des MRZ 4.4 Hinweise auf Web-Seiten anderer Einrichtungen 4.5 Abstract}, language = {de} } @phdthesis{Fucik2010, author = {Fucik, Markus}, title = {Bayesian risk management : "Frequency does not make you smarter"}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-53089}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Within our research group Bayesian Risk Solutions we have coined the idea of a Bayesian Risk Management (BRM). It claims (1) a more transparent and diligent data analysis as well as (2)an open-minded incorporation of human expertise in risk management. In this dissertation we formulize a framework for BRM based on the two pillars Hardcore-Bayesianism (HCB) and Softcore-Bayesianism (SCB) providing solutions for the claims above. For data analysis we favor Bayesian statistics with its Markov Chain Monte Carlo (MCMC) simulation algorithm. It provides a full illustration of data-induced uncertainty beyond classical point-estimates. We calibrate twelve different stochastic processes to four years of CO2 price data. Besides, we calculate derived risk measures (ex ante/ post value-at-risks, capital charges, option prices) and compare them to their classical counterparts. When statistics fails because of a lack of reliable data we propose our integrated Bayesian Risk Analysis (iBRA) concept. It is a basic guideline for an expertise-driven quantification of critical risks. We additionally review elicitation techniques and tools supporting experts to express their uncertainty. Unfortunately, Bayesian thinking is often blamed for its arbitrariness. Therefore, we introduce the idea of a Bayesian due diligence judging expert assessments according to their information content and their inter-subjectivity.}, language = {en} } @article{SobelSeward2010, author = {Sobel, Edward and Seward, Diane}, title = {Influence of etching conditions on apatite fission-track etch pit diameter}, issn = {0009-2541}, doi = {10.1016/j.chemgeo.2009.12.012}, year = {2010}, abstract = {The temperature range of the apatite fission-track partial annealing zone (PAZ) varies as a function of the kinetic characteristics of the apatite crystal as well as the cooling rate. These kinetic characteristics are controlled largely by the chemical composition of the apatites; fission-track etch pit diameter (D-par) has been shown to be a proxy for quantifying these characteristics. Since some annealing models explicitly use D-par as a kinetic indicator, the question of whether D-par varies according to either operator variability or etching conditions has serious implications. The influence of etching conditions includes both minor variations in temperature and etch time as well as larger variations between the three popular concentrations of nitric acid that are presently in use within the fission- track community: 5 and 5.5 M HNO3 at 21 degrees C for 20 s, and 1.6 M (7 vol.\%) HNO3 at 21 degrees C for 45 or 50 s. We have conducted a systematic study of D-par in two widely used apatite age standards: Durango and Fish Canyon Tuff (FCT). Samples were analyzed by at least 2 operators in 2 laboratories; over 15,000 etch pits were measured. Operator imprecision is small compared to other effects both within and between operators. The measured D-par parameters depend primarily on etching conditions including concentration of etchant, and the time and temperature of etching. D-par size increases linearly with time but non-linearly with temperature. Differences between D-par size of Durango and FCT are significantly smaller for the 1.6 M etch compared to the other two etches, implying that the weak etch has less resolving power for D-par measurements. In addition, when etching conditions are changed, confined track lengths for different apatite compositions and D-par values co-vary in a complex fashion. Therefore, the 5 or 5.5 M etch is recommended for studies that employ D-par as a proxy for chemistry; the 1.6 M etch and other weak etches are not recommended. We propose a linear correction for D-par based on measuring D-par in two widely available AFT age standards, Durango and FCT, and cross-plotting the results with those obtained by R. Donelick. The slope of the resulting curve, which passes through the origin, provides a correction factor. This system yields reasonably good corrected values for 3 test samples using the 5 M and 5.5 M HNO3 etches.}, language = {en} } @article{SobelSeward2010, author = {Sobel, Edward and Seward, Diane}, title = {Erratum to "Influence of etching conditions on apatite fission-track etch pit diameter by E.R. Sobel and D. Seward" [Chem. Geol. 271 (2010) 59-69]}, issn = {0009-2541}, doi = {10.1016/j.chemgeo.2010.08.005}, year = {2010}, language = {en} } @article{FilimonKopfBalloutetal.2010, author = {Filimon, Marlena and Kopf, Ilona and Ballout, Fuad and Schmidt, Dietrich A. and Bruendermann, Erik and R{\"u}he, J{\"u}rgen and Santer, Svetlana and Havenith, Martina}, title = {Smart polymer surfaces : mapping chemical landscapes on the nanometre scale}, issn = {1744-683X}, doi = {10.1039/C0sm00098a}, year = {2010}, abstract = {We show that Scattering Infrared Near-field Microscopy (SNIM) allows chemical mapping of polymer monolayers that can serve as designed nanostructured surfaces with specific surface chemistry properties on a nm scale. Using s- SNIM a minimum volume of 100 nm x 100 nm x 15 nm is sufficient for a recording of a "chemical'' IR signature which corresponds to an enhancement of at least four orders of magnitudes compared to conventional FT-IR microscopy. We could prove that even in cases where it is essentially difficult to distinguish between distinct polymer compositions based solely on topography, nanophase separated polymers can be clearly distinguished according to their characteristic near-field IR response.}, language = {en} } @article{ChinagliaGregorioStefanelloetal.2010, author = {Chinaglia, Dante Luis and Gregorio, Rinaldo and Stefanello, Josiani Cristina and Altafim, Ruy Alberto Pisani and Wirges, Werner and Wang, Feipeng and Gerhard, Reimund}, title = {Influence of the solvent evaporation rate on the crystalline phases of solution-cast poly(vinylidene fluoride) films}, issn = {0021-8995}, doi = {10.1002/App.31488}, year = {2010}, abstract = {The influence of the solvent-evaporation rate on the formation of of. and P crystalline phases in solution-cast poly(vinylidene fluoride) (PVDF) films was systematically investigated. Films were crystallized from PVDF/N,N- dimethylformamide solutions with concentrations of 2.5, 5.0, 10, and 20 wt \% at different temperatures. During crystallization, the solvent evaporation rate was monitored in situ by means of a semianalytic balance. With this system, it was possible to determine the evaporation rate for different concentrations and temperatures of the solution under specific ambient conditions (pressure, temperature, and humidity). Fourier-Transform InfraRed spectroscopy with Attenuated Total Reflectance revealed the P-phase content in the PVDF films and its dependence on previous evaporation rates. Based on the relation between the evaporation rate and the PVDF phase composition, a consistent explanation for the different amounts of P phase observed at the upper and lower sample surfaces is achieved. Furthermore, the role of the sample thickness has also been studied. The experimental results show that not only the temperature but also the evaporation rate have to be controlled to obtain the desired crystalline phases in solution-cast PVDF films.}, language = {en} } @article{FloresSuarezGanesanWirgesetal.2010, author = {Flores Su{\´a}rez, Rosaura and Ganesan, Lakshmi Meena and Wirges, Werner and Gerhard, Reimund and Mellinger, Axel}, title = {Imaging liquid crystals dispersed in a ferroelectric polymer matrix by means of thermal-pulse tomography}, issn = {1070-9878}, doi = {10.1109/TDEI.2010.5539683}, year = {2010}, abstract = {A new arrangement of the optical elements in a Thermal-Pulse-Tomography (TPT) setup allows to scan micrometer structures in composite and heterogeneous samples such as polymer-dispersed liquid crystals (PDLCs). The non-destructive TPT technique allows the determination of three-dimensional profiles of polarization and space charge in dielectrics. The samples under study were 12 mu m thick films of a copolymer of vinylidene fluoride with trifluoroethylene P(VDF- TrFE) (65/35) with embedded liquid-crystal droplets. The poling process was performed in direct contact well above the coercive field of the copolymer. The 3D map obtained from scanning with a 10 mu m wide spot shows elliptically shaped areas with liquid-crystal droplets. Considering the droplets as oblate spheroids, their major axis lies in the x-y plane, while their minor axis in the z direction measures 0.5 mu m or more. This result is in good agreement with scanning electron micrographs. It is believed that the major axis is overestimated due to imaging of liquid-crystal clusters.}, language = {en} } @article{GrecoWangWegener2010, author = {Greco, Tonino and Wang, Feipeng and Wegener, Michael}, title = {Multifunctional silver poly(vinylidene fluoride) nanocomposites : nanoparticle synthesis, film processing, and structural characterization}, issn = {0015-0193}, doi = {10.1080/00150193.2010.482896}, year = {2010}, abstract = {Scope of this work was the synthesis of homogeneously dispersed silver nanoparticles in the ferroelectric polymer poly(vinylidene fluoride) (PVDF) and the study of the resulting properties affecting both the electro-active matrix and the optically-active nanofiller. In the nanocomposites surface plasmon resonances can be tuned across the UV- vis to the NIR spectral range. From IR spectra and DSC measurements it is concluded that the - to -phase transformation is observed and no degradation of the polymer matrix occurs. Finally, electrical poling was performed in order to investigate the influence of the embedded silver particles on the polarization behavior of the ferroelectric polymer.}, language = {en} } @article{FangQiuWirgesetal.2010, author = {Fang, Peng and Qiu, Xunlin and Wirges, Werner and Gerhard, Reimund and Zirkel, Larissa}, title = {Polyethylene-naphthalate (PEN) ferroelectrets : cellular structure, piezoelectricity and thermal stability}, issn = {1070-9878}, doi = {10.1109/TDEI.2010.5539678}, year = {2010}, abstract = {Cellular polyethylene-naphthalate (PEN) ferroelectrets are useful as soft and flexible electromechanical transducer materials. Improved cellular PEN foams are prepared by means of a "voiding + inflation + stretching" process and investigated with respect to their structure and their applications-relevant properties. It is found that most of the cellular voids have heights below 8 mu m. The polymer walls do not allow sufficient gas exchange between the voids and the ambient atmosphere, when the cellular films are exposed to atmospheric pressures between a millibar and a few bars. As expected for ferroelectrets, a threshold voltage for charging is observed: A reasonable piezoelectric coefficient d(33) is only found when the charging voltage is higher than 4 kV. Furthermore, d(33) increases with charging voltage and reaches saturation at approximately 8 kV. Annealing after charging or charging at elevated temperatures may enhance the thermal stability of the PEN ferroelectrets. The d(33) of properly annealed samples is stable up to the respective annealing temperatures, but the annealing process reduces the piezoelectric activity of charged ferroelectret films to some extent. Samples charged at suitable elevated temperatures show much better thermal stability than those charged at room temperature, but the charging temperature should be limited to values below the material's glass-transition temperature T-g. Furthermore, the relevant elastic modulus c(33) of PEN ferroelectrets may decrease upon thermal treatment.}, language = {en} } @phdthesis{Fang2010, author = {Fang, Peng}, title = {Preparation and investigation of polymer-foam films and polymer-layer systems for ferroelectrets}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-48412}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Piezoelectric materials are very useful for applications in sensors and actuators. In addition to traditional ferroelectric ceramics and ferroelectric polymers, ferroelectrets have recently become a new group of piezoelectrics. Ferroelectrets are functional polymer systems for electromechanical transduction, with elastically heterogeneous cellular structures and internal quasi-permanent dipole moments. The piezoelectricity of ferroelectrets stems from linear changes of the dipole moments in response to external mechanical or electrical stress. Over the past two decades, polypropylene (PP) foams have been investigated with the aim of ferroelectret applications, and some products are already on the market. PP-foam ferroelectrets may exhibit piezoelectric d33 coefficients of 600 pC/N and more. Their operating temperature can, however, not be much higher than 60 °C. Recently developed polyethylene-terephthalate (PET) and cyclo-olefin copolymer (COC) foam ferroelectrets show slightly better d33 thermal stabilities, but usually at the price of smaller d33 values. Therefore, the main aim of this work is the development of new thermally stable ferroelectrets with appreciable piezoelectricity. Physical foaming is a promising technique for generating polymer foams from solid films without any pollution or impurity. Supercritical carbon dioxide (CO2) or nitrogen (N2) are usually employed as foaming agents due to their good solubility in several polymers. Polyethylene propylene (PEN) is a polyester with slightly better properties than PET. A "voiding + inflation + stretching" process has been specifically developed to prepare PEN foams. Solid PEN films are saturated with supercritical CO2 at high pressure and then thermally voided at high temperatures. Controlled inflation (Gas-Diffusion Expansion or GDE) is applied in order to adjust the void dimensions. Additional biaxial stretching decreases the void heights, since it is known lens-shaped voids lead to lower elastic moduli and therefore also to stronger piezoelectricity. Both, contact and corona charging are suitable for the electric charging of PEN foams. The light emission from the dielectric-barrier discharges (DBDs) can be clearly observed. Corona charging in a gas of high dielectric strength such as sulfur hexafluoride (SF6) results in higher gas-breakdown strength in the voids and therefore increases the piezoelectricity. PEN foams can exhibit piezoelectric d33 coefficients as high as 500 pC/N. Dielectric-resonance spectra show elastic moduli c33 of 1 - 12 MPa, anti-resonance frequencies of 0.2 - 0.8 MHz, and electromechanical coupling factors of 0.016 - 0.069. As expected, it is found that PEN foams show better thermal stability than PP and PET. Samples charged at room temperature can be utilized up to 80 - 100 °C. Annealing after charging or charging at elevated temperatures may improve thermal stabilities. Samples charged at suitable elevated temperatures show working temperatures as high as 110 - 120 °C. Acoustic measurements at frequencies of 2 Hz - 20 kHz show that PEN foams can be well applied in this frequency range. Fluorinated ethylene-propylene (FEP) copolymers are fluoropolymers with very good physical, chemical and electrical properties. The charge-storage ability of solid FEP films can be significantly improved by adding boron nitride (BN) filler particles. FEP foams are prepared by means of a one-step procedure consisting of CO2 saturation and subsequent in-situ high-temperature voiding. Piezoelectric d33 coefficients up to 40 pC/N are measured on such FEP foams. Mechanical fatigue tests show that the as-prepared PEN and FEP foams are mechanically stable for long periods of time. Although polymer-foam ferroelectrets have a high application potential, their piezoelectric properties strongly depend on the cellular morphology, i.e. on size, shape, and distribution of the voids. On the other hand, controlled preparation of optimized cellular structures is still a technical challenge. Consequently, new ferroelectrets based on polymer-layer system (sandwiches) have been prepared from FEP. By sandwiching an FEP mesh between two solid FEP films and fusing the polymer system with a laser beam, a well-designed uniform macroscopic cellular structure can be formed. Dielectric resonance spectroscopy reveals piezoelectric d33 coefficients as high as 350 pC/N, elastic moduli of about 0.3 MPa, anti-resonance frequencies of about 30 kHz, and electromechanical coupling factors of about 0.05. Samples charged at elevated temperatures show better thermal stabilities than those charged at room temperature, and the higher the charging temperature, the better is the stability. After proper charging at 140 °C, the working temperatures can be as high as 110 - 120 °C. Acoustic measurements at frequencies of 200 Hz - 20 kHz indicate that the FEP layer systems are suitable for applications at least in this range.}, language = {en} } @phdthesis{Ganesan2010, author = {Ganesan, Lakshmi Meena}, title = {Coupling of the electrical, mechanical and optical response in polymer/liquid-crystal composites}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-41572}, school = {Universit{\"a}t Potsdam}, year = {2010}, abstract = {Micrometer-sized liquid-crystal (LC) droplets embedded in a polymer matrix may enable optical switching in the composite film through the alignment of the LC director along an external electric field. When a ferroelectric material is used as host polymer, the electric field generated by the piezoelectric effect can orient the director of the LC under an applied mechanical stress, making these materials interesting candidates for piezo-optical devices. In this work, polymer-dispersed liquid crystals (PDLCs) are prepared from poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) and a nematic liquid crystal (LC). The anchoring effect is studied by means of dielectric relaxation spectroscopy. Two dispersion regions are observed in the dielectric spectra of the pure P(VDF-TrFE) film. They are related to the glass transition and to a charge-carrier relaxation, respectively. In PDLC films containing 10 and 60 wt\% LC, an additional, bias-field-dependent relaxation peak is found that can be attributed to the motion of LC molecules. Due to the anchoring effect of the LC molecules, this relaxation process is slowed down considerably, when compared with the related process in the pure LC. The electro-optical and piezo-optical behavior of PDLC films containing 10 and 60 wt\% LCs is investigated. In addition to the refractive-index mismatch between the polymer matrix and the LC molecules, the interaction between the polymer dipoles and the LC molecules at the droplet interface influences the light-scattering behavior of the PDLC films. For the first time, it was shown that the electric field generated by the application of a mechanical stress may lead to changes in the transmittance of a PDLC film. Such a piezo-optical PDLC material may be useful e.g. in sensing and visualization applications. Compared to a non-polar matrix polymer, the polar matrix polymer exhibits a strong interaction with the LC molecules at the polymer/LC interface which affects the electro-optical effect of the PDLC films and prevents a larger increase in optical transmission.}, language = {en} } @article{XieJelicicWangetal.2010, author = {Xie, Zai-Lai and Jelicic, Aleksandra and Wang, Feipeng and Rabu, Pierre and Friedrich, Alwin and Beuermann, Sabine and Taubert, Andreas}, title = {Transparent, flexible, and paramagnetic ionogels based on PMMA and the iron-based ionic liquid 1-butyl-3- methylimidazolium tetrachloroferrate(III) [Bmim][FeCl4]}, issn = {0959-9428}, doi = {10.1039/C0jm01733g}, year = {2010}, abstract = {The iron-containing ionic liquid (IL) 1-butyl-3-methylimidazolium tetrachloroferrate(III) [Bmim][FeCl4] has been used as a building block in the synthesis of transparent, ion-conducting, and paramagnetic ionogels. UV/Vis spectroscopy shows that the coordination around the Fe(III) ion does slightly change upon incorporation of the IL into PMMA. The thermal stability of the PMMA increases significantly with IL incorporation. In particular, the onset weight loss observed at ca. 265 degrees C for pure PMMA is completely suppressed. The ionic conductivity shows a strong temperature dependence and increases with increasing IL weight fractions. The magnetic properties are similar to those reported for the pure IL and are not affected by the incorporation into the PMMA matrix. The resulting ionogel is thus an interesting prototype for soft, flexible, and transparent materials combining the mechanical properties of the matrix with the functionality of the metal-containing IL, such as magnetism.}, language = {en} } @book{AlnemrPolyvyanyyAbuJarouretal.2010, author = {Alnemr, Rehab and Polyvyanyy, Artem and AbuJarour, Mohammed and Appeltauer, Malte and Hildebrandt, Dieter and Thomas, Ivonne and Overdick, Hagen and Sch{\"o}bel, Michael and Uflacker, Matthias and Kluth, Stephan and Menzel, Michael and Schmidt, Alexander and Hagedorn, Benjamin and Pascalau, Emilian and Perscheid, Michael and Vogel, Thomas and Hentschel, Uwe and Feinbube, Frank and Kowark, Thomas and Tr{\"u}mper, Jonas and Vogel, Tobias and Becker, Basil}, title = {Proceedings of the 4th Ph.D. Retreat of the HPI Research School on Service-oriented Systems Engineering}, editor = {Meinel, Christoph and Plattner, Hasso and D{\"o}llner, J{\"u}rgen Roland Friedrich and Weske, Mathias and Polze, Andreas and Hirschfeld, Robert and Naumann, Felix and Giese, Holger}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-036-6}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-40838}, publisher = {Universit{\"a}t Potsdam}, pages = {Getr. Z{\"a}hlung}, year = {2010}, language = {en} } @book{OPUS4-4643, title = {Dritter Deutscher IPv6 Gipfel 2010}, editor = {Meinel, Christoph and Sack, Harald}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, isbn = {978-3-86956-092-2}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-46134}, publisher = {Universit{\"a}t Potsdam}, pages = {112}, year = {2010}, abstract = {Am 24. und 25. Juni 2010 fand am Hasso-Plattner-Institut f{\"u}r Softwaresystemtechnik GmbH in Potsdam der 3. Deutsche IPv6 Gipfel 2010 statt, dessen Dokumentation der vorliegende technische Report dient. Als nationaler Arm des weltweiten IPv6-Forums f{\"o}rdert der Deutsche IPv6-Rat den {\"U}bergangsprozess zur neuen Internetgeneration und brachte in diesem Rahmen nationale und internationale Experten aus Wirtschaft, Wissenschaft und {\"o}ffentlicher Verwaltung zusammen, um Awareness f{\"u}r das Zukunftsthema IPv6 zu schaffen und um ein Resum{\´e} {\"u}ber die bislang erzielten Fortschritte zu ziehen. Die Grenzen des alten Internetprotokolls IPv4 sind in den vergangenen zwei Jahren deutlicher denn je zutage getreten. Waren im vergangenen Jahr anl{\"a}sslich des 2. IPv6 Gipfels noch 11\% aller zu vergebenden IPv4 Adressen verf{\"u}gbar, ist diese Zahl mittlerweile auf nur noch 6\% geschrumpft. Ehrengast war in diesem Jahr der „europ{\"a}ische Vater" des Internets, Prof. Peter T. Kirstein vom University College London, dessen Hauptvortrag von weiteren Beitr{\"a}gen hochrangiger Vertretern aus Politik, Wissenschaft und Wirtschaft erg{\"a}nzt wurde.}, language = {mul} } @article{DaskalowBoisguerinJandrigetal.2010, author = {Daskalow, Katjana and Boisguerin, Prisca and Jandrig, Burkhard and van Landeghem, Frank K. H. and Volkmer, Rudolf and Micheel, Burkhard and Schenk, J{\"o}rg A.}, title = {Generation of an antibody against the protein phosphatase 1 inhibitor KEPI and characterization of the epitope}, issn = {0250-7005}, year = {2010}, abstract = {A monoclonal antibody against the potential tumor suppressor kinase-enhanced protein phosphatase 1 (PP1) inhibitor KEPI (PPP1R14C) was generated and characterized. Human KEPI was expressed in Escherichia coli and used to immunize Balb/c mice. Using hybridoma technology, one clone, G18AF8, was isolated producing antibodies which bound specifically to the KEPI protein in ELISA, immunoblotting and flow cytometry. The antibody was also successfully applied to stain KEPI protein in paraffin sections of human brain. The epitope was mapped using peptide array technology and confirmed as GARVFFQSPR. This corresponds to the N-terminal region of KEPI. Amino acid substitution analysis revealed that two residues, F and Q, are essential for binding. Affinity of binding was determined by competitive ELISA as 1 mu M. In Western blot assays testing G18AF8 antibody on brain samples of several species, reactivity with hamster, rat and chicken samples was found, suggesting a broad homology of this KEPI epitope in vertebrates. This antibody could be used in expression studies at the protein level e.g. in tumor tissues.}, language = {en} } @article{WartenburgerKuehnSassenbergetal.2010, author = {Wartenburger, Isabell and K{\"u}hn, Esther and Sassenberg, Uta and Foth, Manja and Franz, Elisabeth A. and van der Meer, Elke}, title = {On the relationship between fluid intelligence, gesture production, and brain structure}, issn = {0160-2896}, doi = {10.1016/j.intell.2009.11.001}, year = {2010}, abstract = {Individuals scoring high in fluid intelligence tasks generally perform very efficiently in problem solving tasks and analogical reasoning tasks presumably because they are able to select the task-relevant information very quickly and focus on a limited set of task-relevant cognitive operations. Moreover, individuals with high fluid intelligence produce more representational hand and arm gestures when describing a geometric analogy task than individuals with average fluid intelligence. No study has yet addressed the relationship between intelligence, gesture production, and brain structure, to our knowledge. That was the purpose of our study. To characterize the relation between intelligence, gesture production, and brain structure we assessed the frequency of representational gestures and cortical thickness values in a group of adolescents differing in fluid intelligence. Individuals scoring high in fluid intelligence showed higher accuracy in the geometric analogy task and produced more representational gestures (in particular more movement gestures) when explaining how they solved the task and showed larger cortical thickness values in some regions in the left hemisphere (namely the pars opercularis, superior frontal, and temporal cortex) than individuals with average fluid intelligence. Moreover, the left pars opercularis (a part of Broca's area) and left transverse temporal cortex showed larger cortical thickness values in participants who produced representational and in particular movement gestures compared to those who did not. Our results thus indicate that cortical thickness of those brain regions is related to both high fluid intelligence and the production of gestures. Results are discussed in the gestures-as-simulated-action framework that states that gestures result from simulated perception and simulated action that underlie embodied language and mental imagery.}, language = {en} } @article{vanderMeerBeyerHornetal.2010, author = {van der Meer, Elke and Beyer, Reinhard and Horn, Judith and Foth, Manja and Bornemann, Boris and Ries, Jan and Kramer, J{\"u}rg and Warmuth, Elke and Heekeren, Hauke R. and Wartenburger, Isabell}, title = {Resource allocation and fluid intelligence ; insights from pupillometry}, issn = {0048-5772}, year = {2010}, language = {en} } @article{Wartenburger2010, author = {Wartenburger, Isabell}, title = {Gehirn und Sprache : wie wir Sprache(n) erlernen und verarbeiten}, isbn = {978-3-8340-0654-7}, year = {2010}, language = {de} } @misc{AichertStaigerSchulteMaeteretal.2010, author = {Aichert, Ingrid and Staiger, Anja and Schulte-M{\"a}ter, Anne and Becker-Redding, Ulrike and Stahn, Corinna and Peschke, Claudia and Heide, Judith and Ott, Susan and Herrmann, Heike and V{\"o}lsch, Juliane and Mayer, J{\"o}rg and Rohnke, Lucie and Frank, Ulrike and Stadie, Nicole and Jentsch, Nadine and Blech, Anke and Kurtenbach, Stephanie and Thieke, Johanna and Schr{\"o}der, Astrid and Stahn, Corinna and H{\"o}rnig, Robin and Burchert, Frank and De Bleser, Ria and Heister, Julian and Bartels, Luise and W{\"u}rzner, Kay-Michael and B{\"o}hme, Romy and Burmester, Juliane and Krajewski, Melanie and Nager, Wido and Jungeh{\"u}lsing, Gerhard Jan and Wartenburger, Isabell and J{\"o}bges, Michael and Schwilling, Eleonore and Lidzba, Karen and Winkler, Susanne and Konietzko, Andreas and Kr{\"a}geloh-Mann, Ingeborg and Rilling, Eva and Wilken, Rainer and Wismann, Kathrin and Glandorf, Birte and Hoffmann, Hannah and Hinnenkamp, Christiane and Rohlmann, Insa and Ludewigt, Jacqueline and Bittner, Christian and Orlov, Tatjana and Claus, Katrin and Ehemann, Christine and Winnecken, Andreas and Hummel, Katja and Breitenstein, Sarah}, title = {Spektrum Patholinguistik = Schwerpunktthema: Von der Programmierung zur Artikulation : Sprechapraxie bei Kindern und Erwachsenen}, number = {3}, editor = {Wahl, Michael and Stahn, Corinna and Hanne, Sandra and Fritzsche, Tom}, publisher = {Universit{\"a}tsverlag Potsdam}, address = {Potsdam}, organization = {Verband f{\"u}r Patholinguistik e. V. (vpl)}, isbn = {978-3-86956-079-3}, issn = {1869-3822}, doi = {10.25932/publishup-4578}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-45470}, year = {2010}, abstract = {Das 3. Herbsttreffen Patholinguistik fand am 21. November 2009 an der Universit{\"a}t Potsdam statt. Der vorliegende Tagungsband enth{\"a}lt die drei Hauptvortr{\"a}ge zum Schwerpunktthema „Von der Programmierung zu Artikulation: Sprechapraxie bei Kindern und Erwachsenen". Dar{\"u}ber hinaus enth{\"a}lt der Band die Beitr{\"a}ge aus dem Spektrum Patholinguistik, sowie die Abstracts der Posterpr{\"a}sentationen.}, language = {de} } @article{SellrieBeckHildebrandtetal.2010, author = {Sellrie, Frank and Beck, Michael and Hildebrandt, Niko and Micheel, Burkhard}, title = {A homogeneous time-resolved fluoroimmunoassay (TR-FIA) using antibody mediated luminescence quenching}, issn = {1759-9660}, doi = {10.1039/C0ay00306a}, year = {2010}, abstract = {The determination of low-molecular weight substances (haptens) is demonstrated with a homogeneous time-resolved immunoassay using antibody-induced luminescence quenching. Our novel assay technology uses the newly developed monoclonal antibody (G24-BA9) to quench the luminescence of europium trisbipyridine (EuTBP). We performed a competitive biotin immunoassay including an EuTBP-biotin conjugate, the anti-EuTBP antibody G24-BA9 and streptavidin as assay components. Steric hindrance allows only the binding of either G24-BA9 (to the EuTBP moiety) or streptavidin (to the biotin moiety) to the EuTBP-biotin conjugate. Addition of the analyte biotin resulted in the binding of streptavidin to biotin and a concomitant preferred binding of G24-BA9 to EuTBP-biotin. Since G24-BA9 quenches the luminescence of EuTBP within the conjugate, the luminescence signal could be used to indicate and quantify the presence of free biotin in the system. All experiments were carried out in solution in the presence of 5\% serum demonstrating the possibility of using our novel assay for a very fast determination of low molecular weight substances in biological fluids.}, language = {en} } @article{SchmidtHennkeKnocheletal.2010, author = {Schmidt, Marco and Hennke, Thomas and Knochel, Mira and Kurten, Achim and Hierholzer, Johannes and Daniel, Peter and Bittmann, Frank}, title = {Can chronic irritations of the trigeminal nerve cause musculoskeletal disorders?}, issn = {1021-7096}, doi = {10.1159/000315338}, year = {2010}, abstract = {In this article, five cases of odontogenous dysfunctions and musculoskeletal complaints are presented. A common finding in all patients of this study was that the presence of joint complaints was related to deficits in the corresponding muscular function. These deficits were determined by manual muscle tests as described by Kendall et al. [Muscles - Testing and Function, ed 4. Baltimore, Williams and Wilkins, 1993] and were eliminated immediately by a neural therapeutic test injection into the disturbed dental region. The therapy provided solely aimed to eliminate the odontogenous dysfunction. No other therapeutic measures were carried out with regard to the patients' respective muscle, tendon, or joint complaints.}, language = {en} } @article{CacaceKaiserLewerenzetal.2010, author = {Cacace, Mauro and Kaiser, Bjoern Onno and Lewerenz, Bjoern and Scheck-Wenderoth, Magdalena}, title = {Geothermal energy in sedimentary basins : what we can learn from regional numerical models}, issn = {0009-2819}, doi = {10.1016/j.chemer.2010.05.017}, year = {2010}, abstract = {Understanding the interactions between the different processes that control the geothermal and fluid flow fields in sedimentary basins is crucial for exploitation of geothermal energy. Numerical models provide predictive and feasible information for a correct assessment of geothermal resources especially in areas where data acquisition is demanding. Here, we present results from numerical efforts to characterize the thermal structure and its interaction with the fluid system for the area of the North East German Basin (NEGB). The relative impact of the different (diffusive and advective) processes affecting the hydrothermal setting of the basin are investigated by means of three- dimensional numerical simulations. Lithospheric-scale numerical models are evaluated to understand the specific thermal signature of the relevant factors influencing the present-day conductive geothermal field in the NEGB. Shallow and deep structural controls on the thermal configuration of the basin are addressed and quantified. Interaction between the resulting thermal field and the active fluid system is investigated by means of three-dimensional simulations of coupled fluid flow and heat transport. Factors influencing stability and reliability of modeling predictions are discussed. The main effort is to build a physically consistent model for the basin which integrates the impacts of thermal gradients on the regional fluid regime and their coupling with the main geological units defining the basin.}, language = {en} } @article{BloecherCacaceLewerenzetal.2010, author = {Bloecher, Mando Guido and Cacace, Mauro and Lewerenz, Bjoern and Zimmermann, G{\"u}nter}, title = {Three dimensional modelling of fractured and faulted reservoirs : framework and implementation}, issn = {0009-2819}, doi = {10.1016/j.chemer.2010.05.014}, year = {2010}, abstract = {Modelling of coupled physical processes in fractured and faulted media is a major challenge for the geoscience community. Due to the complexity related to the geometry of real fracture networks and fault systems, modelling studies have been mainly restricted either to two dimensional cases or to simplified orthogonal fracture systems consisting of vertical and horizontal fractures. An approach to generate three dimensional meshes for realistic fault geometries is presented. The method enables representation of faults in an arbitrary incline as two dimensional planes within a three dimensional, stratified porous matrix of a generic geometry. Based on a structural geological model, the method creates three dimensional unstructured tetrahedral meshes. These meshes can be used for finite element and finite volume numerical simulations. A simulation of a coupled fluid flow and heat transport problem for a two layered porous medium cut by two crossing faults is presented to test the reliability of the method.}, language = {en} }