TY  - JOUR
A1  - Hlinak, Andreas
A1  - Mühle, Ralf-Udo
A1  - Werner, Ortrud
A1  - Globig, Anja
A1  - Starick, Elke
A1  - Schirrmeier, Horst
A1  - Hoffmann, Bernd
A1  - Engelhardt, Andreas
A1  - Hübner, Dagmar
A1  - Conraths, Franz J.
A1  - Wallschläger, Hans-Dieter
A1  - Kruckenberg, Helmut
A1  - Müller, Thomas
T1  - A virological survey in migrating waders and other waterfowl in one of the most important resting sites of Germany
N2  - Wild birds are considered a potential reservoir or a carrier of viral diseases and may therefore play a role in the epidemiology of economically important or zoonotic diseases. In 2001 and 2002, a survey with special emphasis oil virus isolation in migrating waders and some other birds were conducted. In one of the most important inland resting sites for migratory waterfowl, tracheal and cloacal swabs were collected from 465 waders representing 19 different species, and 165 other birds that were not captured on purpose. A total of 42 avian viruses were isolated, 34 of these were identified as paramyxoviruses (PMVs). The majority of isolates came from waders and wild ducks, and were characterized as PMV-1. In contrast, PMV-4 was found in wild ducks only, PMV-6 was mainly detected in wader species. Four avian influenza viruses (ATVs), belonging to H4 and H3 haemagglutinin subtype, were isolated from wild duck species. Furthermore, four reo-like viruses were isolated from one particular wader species for the first time. The majority of virus positive birds were < 1 year old and did not show any clinical symptoms. There was no evidence for the presence of West Nile virus in these birds. These results confirm that the restricted resting sites in Western Europe must be considered as important locations for the intra- and interspecies transmission of avian viruses
Y1  - 2006
SN  - 0931-1793
ER  - 
TY  - JOUR
A1  - Srama, Ralf
A1  - Ahrens, Thomas J.
A1  - Altobelli, Nicolas
A1  - Auer, S.
A1  - Bradley, J. G.
A1  - Burton, M.
A1  - Dikarev, V. V.
A1  - Economou, T.
A1  - Fechtig, Hugo
A1  - Görlich, M.
A1  - Grande, M.
A1  - Graps, Amara
A1  - Grün, Eberhard
A1  - Havnes, Ove
A1  - Helfert, Stefan
A1  - Horanyi, Mihaly
A1  - Igenbergs, E.
A1  - Jessberger, Elmar K.
A1  - Johnson, T. V.
A1  - Kempf, Sascha
A1  - Krivov, Alexander v.
A1  - Krüger, Harald
A1  - Mocker-Ahlreep, Anna
A1  - Moragas-Klostermeyer, Georg
A1  - Lamy, Philippe
A1  - Landgraf, Markus
A1  - Linkert, Dietmar
A1  - Linkert, G.
A1  - Lura, F.
A1  - McDonnell, J. A. M.
A1  - Moehlmann, Dirk
A1  - Morfill, Gregory E.
A1  - Muller, M.
A1  - Roy, M.
A1  - Schafer, G.
A1  - Schlotzhauer, G.
A1  - Schwehm, Gerhard H.
A1  - Spahn, Frank
A1  - Stübig, M.
A1  - Svestka, Jiri
A1  - Tschernjawski, V
T1  - The Cassini Cosmic Dust Analyzer
N2  - The Cassini-Huygens Cosmic Dust Analyzer (CDA) is intended to provide direct observations of dust grains with masses between 10(-19) and 10(-9) kg in interplanetary space and in the jovian and saturnian systems, to investigate their physical, chemical and dynamical properties as functions of the distances to the Sun, to Jupiter and to Saturn and its satellites and rings, to study their interaction with the saturnian rings, satellites and magnetosphere. Chemical composition of interplanetary meteoroids will be compared with asteroidal and cometary dust, as well as with Saturn dust, ejecta from rings and satellites. Ring and satellites phenomena which might be effects of meteoroid impacts will be compared with the interplanetary dust environment. Electrical charges of particulate matter in the magnetosphere and its consequences will be studied, e.g. the effects of the ambient plasma and the magnetic held on the trajectories of dust particles as well as fragmentation of particles due to electrostatic disruption. The investigation will be performed with an instrument that measures the mass, composition, electric charge, speed, and flight direction of individual dust particles. It is a highly reliable and versatile instrument with a mass sensitivity 106 times higher than that of the Pioneer 10 and I I dust detectors which measured dust in the saturnian system. The Cosmic Dust Analyzer has significant inheritance from former space instrumentation developed for the VEGA, Giotto, Galileo, and Ulysses missions. It will reliably measure impacts from as low as I impact per month up to 104 impacts per second. The instrument weighs 17 kg and consumes 12 W, the integrated time-of-flight mass spectrometer has a mass resolution of up to 50. The nominal data transmission rate is 524 bits/s and varies between 50 and 4192 bps
Y1  - 2004
SN  - 0038-6308
ER  - 
TY  - CHAP
A1  - Palix, Nicolas
A1  - Lawall, Julia L.
A1  - Thomas, Gaël
A1  - Muller, Gilles
T1  - How Often do Experts Make Mistakes?
N2  - Large open-source software projects involve developers with a wide variety of backgrounds and expertise. Such software projects furthermore include many internal APIs that developers must understand and use properly. According to the intended purpose of these APIs, they are more or less frequently used, and used by developers with more or less expertise. In this paper, we study the impact of usage patterns and developer expertise on the rate of defects occurring in the use of internal APIs. For this preliminary study, we focus on memory management APIs in the Linux kernel, as the use of these has been shown to be highly error prone in previous work. We study defect rates and developer expertise, to consider e.g., whether widely used APIs are more defect prone because they are used by less experienced developers, or whether defects in widely used APIs are more likely to be fixed.
KW  - History of pattern occurrences
KW  - bug tracking
KW  - Herodotos
KW  - Coccinelle
Y1  - 2010
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-41327
ER  - 
TY  - JOUR
A1  - Simons, Nadja K.
A1  - Lewinsohn, Thomas
A1  - Bluethgen, Nico
A1  - Buscot, Francois
A1  - Boch, Steffen
A1  - Daniel, Rolf
A1  - Gossner, Martin M.
A1  - Jung, Kirsten
A1  - Kaiser, Kristin
A1  - Müller, Jörg
A1  - Prati, Daniel
A1  - Renner, Swen C.
A1  - Socher, Stephanie A.
A1  - Sonnemann, Ilja
A1  - Weiner, Christiane N.
A1  - Werner, Michael
A1  - Wubet, Tesfaye
A1  - Wurst, Susanne
A1  - Weisser, Wolfgang W.
T1  - Contrasting effects of grassland management modes on species-abundance distributions of multiple groups
JF  - Agriculture, ecosystems & environment : an international journal for scientific research on the relationship of agriculture and food production to the biosphere
N2  - Intensive land use is a major cause of biodiversity loss, but most studies comparing the response of multiple taxa rely on simple diversity measures while analyses of other community attributes are only recently gaining attention. Species-abundance distributions (SADs) are a community attribute that can be used to study changes in the overall abundance structure of species groups, and whether these changes are driven by abundant or rare species. We evaluated the effect of grassland management intensity for three land-use modes (fertilization, mowing, grazing) and their combination on species richness and SADs for three belowground (arbuscular mycorrhizal fungi, prokaryotes and insect larvae) and seven aboveground groups (vascular plants, bryophytes and lichens; arthropod herbivores; arthropod pollinators; bats and birds). Three descriptors of SADs were evaluated: general shape (abundance decay rate), proportion of rare species (rarity) and proportional abundance of the commonest species (dominance). Across groups, taxonomic richness was largely unaffected by land-use intensity and only decreased with increasing mowing intensity. Of the three SAD descriptors, abundance decay rate became steeper with increasing combined land-use intensity across groups. This reflected a decrease in rarity among plants, herbivores and vertebrates. Effects of fertilization on the three descriptors were similar to the combined land-use intensity effects. Mowing intensity only affected the SAD descriptors of insect larvae and vertebrates, while grazing intensity produced a range of effects on different descriptors in distinct groups. Overall, belowground groups had more even abundance distribtitions than aboveground groups. Strong differences among aboveground groups and between above- and belowground groups indicate that no single taxonomic group can serve as an indicator for effects in other groups. In the past, the use of SADs has been hampered by concerns over theoretical models underlying specific forms of SADs. Our study shows that SAD descriptors that are not connected to a particular model are suitable to assess the effect of land use on community structure.
KW  - Biodiversity
KW  - Cutting frequency
KW  - Management intensity
KW  - Rank-abundance
KW  - Species loss
KW  - Rarity
Y1  - 2017
U6  - https://doi.org/10.1016/j.agee.2016.12.022
SN  - 0167-8809
SN  - 1873-2305
VL  - 237
SP  - 143
EP  - 153
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Probst, Thomas
A1  - Jakob, Marion
A1  - Kaufmann, Yvonne Marie
A1  - Müller-Neng, Julia M. B.
A1  - Bohus, Martin
A1  - Weck, Florian
T1  - Patients’ and therapists’ experiences of general change mechanisms during bug-in-the-eye and delayed video-based supervised cognitive-behavioral therapy
BT  - a randomized controlled trial
JF  - Journal of clinical psychology
N2  - ObjectiveThis secondary analysis of a randomized controlled trial investigated whether bug-in-the-eye (BITE) supervision (live computer-based supervision during a psychotherapy session) affects the manner in which patients and therapists experience general change mechanisms (GCMs) during cognitive-behavioral therapy (CBT). MethodA total of 23 therapists were randomized either to the BITE condition or the control condition (delayed video-based [DVB] supervision). After each session, both patients (BITE: n=19; DVB: n=23) and therapists (BITE: n=11; DVB: n=12) completed the Helping Alliance Questionnaire (HAQ) and the Bernese Post Session Report (BPSR). The HAQ total score and the 3 secondary factors of the BPSR (interpersonal experiences, intrapersonal experiences, problem actuation) functioned as GCMs. Multilevel models were performed. ResultsFor patients, GCMs did not develop differently between BITE and DVB during CBT. Therapists rated the alliance as well as interpersonal and intrapersonal experiences not significantly different between BITE and DVB during CBT, but they perceived problem actuation to increase significantly more in BITE than in DVB (p<.05). ConclusionBITE supervision might be helpful in encouraging CBT therapists to apply interventions, which focus on the activation of relevant problems and related emotions.
KW  - alliance
KW  - general change mechanisms
KW  - live supervision
KW  - randomized controlled trial
Y1  - 2018
U6  - https://doi.org/10.1002/jclp.22519
SN  - 0021-9762
SN  - 1097-4679
VL  - 74
IS  - 4
SP  - 509
EP  - 522
PB  - Wiley
CY  - Hoboken
ER  - 
TY  - JOUR
A1  - Müller, Katharina
A1  - Foerstendorf, Harald
A1  - Steudtner, Robin
A1  - Tsushima, Satoru
A1  - Kumke, Michael Uwe
A1  - Lefèvre, Grégory
A1  - Rothe, Jörg
A1  - Mason, Harris
A1  - Szabó, Zoltán
A1  - Yang, Ping
A1  - Adam, Christian K. R.
A1  - André, Rémi
A1  - Brennenstuhl, Katlen
A1  - Chiorescu, Ion
A1  - Cho, Herman M.
A1  - Creff, Gaëlle
A1  - Coppin, Frédéric
A1  - Dardenne, Kathy
A1  - Den Auwer, Christophe
A1  - Drobot, Björn
A1  - Eidner, Sascha
A1  - Hess, Nancy J.
A1  - Kaden, Peter
A1  - Kremleva, Alena
A1  - Kretzschmar, Jerome
A1  - Krüger, Sven
A1  - Platts, James A.
A1  - Panak, Petra
A1  - Polly, Robert
A1  - Powell, Brian A.
A1  - Rabung, Thomas
A1  - Redon, Roland
A1  - Reiller, Pascal E.
A1  - Rösch, Notker
A1  - Rossberg, André
A1  - Scheinost, Andreas C.
A1  - Schimmelpfennig, Bernd
A1  - Schreckenbach, Georg
A1  - Skerencak-Frech, Andrej
A1  - Sladkov, Vladimir
A1  - Solari, Pier Lorenzo
A1  - Wang, Zheming
A1  - Washton, Nancy M.
A1  - Zhang, Xiaobin
T1  - Interdisciplinary Round-Robin Test on molecular spectroscopy of the U(VI) Acetate System
JF  - ACS omega / American Chemical Society
N2  - A comprehensive molecular analysis of a simple aqueous complexing system. U(VI) acetate. selected to be independently investigated by various spectroscopic (vibrational, luminescence, X-ray absorption, and nuclear magnetic resonance spectroscopy) and quantum chemical methods was achieved by an international round-robin test (RRT). Twenty laboratories from six different countries with a focus on actinide or geochemical research participated and contributed to this scientific endeavor. The outcomes of this RRT were considered on two levels of complexity: first, within each technical discipline, conformities as well as discrepancies of the results and their sources were evaluated. The raw data from the different experimental approaches were found to be generally consistent. In particular, for complex setups such as accelerator-based X-ray absorption spectroscopy, the agreement between the raw data was high. By contrast, luminescence spectroscopic data turned out to be strongly related to the chosen acquisition parameters. Second, the potentials and limitations of coupling various spectroscopic and theoretical approaches for the comprehensive study of actinide molecular complexes were assessed. Previous spectroscopic data from the literature were revised and the benchmark data on the U(VI) acetate system provided an unambiguous molecular interpretation based on the correlation of spectroscopic and theoretical results. The multimethodologic approach and the conclusions drawn address not only important aspects of actinide spectroscopy but particularly general aspects of modern molecular analytical chemistry.
Y1  - 2019
U6  - https://doi.org/10.1021/acsomega.9b00164
SN  - 2470-1343
VL  - 4
IS  - 5
SP  - 8167
EP  - 8177
PB  - American Chemical Society
CY  - Washington
ER  - 
TY  - GEN
A1  - Liebe, Thomas
A1  - Dordevic, Milos
A1  - Kaufmann, Jörn
A1  - Avetisyan, Araks
A1  - Skalej, Martin
A1  - Müller, Notger Germar
T1  - Investigation of the functional pathogenesis of mild cognitive impairment by localisation-based locus coeruleus resting-state fMRI
T2  - Zweitveröffentlichungen der Universität Potsdam : Gesundheitswissenschaftliche Reihe
N2  - Dementia as one of the most prevalent diseases urges for a better understanding of the central mechanisms responsible for clinical symptoms, and necessitates improvement of actual diagnostic capabilities. The brainstem nucleus locus coeruleus (LC) is a promising target for early diagnosis because of its early structural alterations and its relationship to the functional disturbances in the patients. In this study, we applied our improved method of localisation-based LC resting-state fMRI to investigate the differences in central sensory signal processing when comparing functional connectivity (fc) of a patient group with mild cognitive impairment (MCI, n = 28) and an age-matched healthy control group (n = 29). MCI and control participants could be differentiated in their Mini-Mental-State-Examination (MMSE) scores (p < .001) and LC intensity ratio (p = .010). In the fMRI, LC fc to anterior cingulate cortex (FDR p < .001) and left anterior insula (FDR p = .012) was elevated, and LC fc to right temporoparietal junction (rTPJ, FDR p = .012) and posterior cingulate cortex (PCC, FDR p = .021) was decreased in the patient group. Importantly, LC to rTPJ connectivity was also positively correlated to MMSE scores in MCI patients (p = .017). Furthermore, we found a hyperactivation of the left-insula salience network in the MCI patients. Our results and our proposed disease model shed new light on the functional pathogenesis of MCI by directing to attentional network disturbances, which could aid new therapeutic strategies and provide a marker for diagnosis and prediction of disease progression.
T3  - Zweitveröffentlichungen der Universität Potsdam : Gesundheitswissenschaftliche Reihe - 7 
KW  - attention
KW  - locus coeruleus
KW  - mild cognitive impairment
KW  - resting-state fMRI
Y1  - 2023
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-581772
IS  - 7
SP  - 5630
EP  - 5642
ER  - 
TY  - GEN
A1  - Schwarze, Thomas
A1  - Riemer, Janine
A1  - Müller, Holger
A1  - John, Leonard
A1  - Holdt, Hans‐Jürgen
A1  - Wessig, Pablo
T1  - Na+ Selective Fluorescent Tools Based on Fluorescence Intensity Enhancements, Lifetime Changes, and on a Ratiometric Response
T2  - Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe
N2  - Over the years, we developed highly selective fluorescent probes for K+ in water, which show K+-induced fluorescence intensity enhancements, lifetime changes, or a ratiometric behavior at two emission wavelengths (cf. Scheme 1, K1-K4). In this paper, we introduce selective fluorescent probes for Na+ in water, which also show Na+ induced signal changes, which are analyzed by diverse fluorescence techniques. Initially, we synthesized the fluorescent probes 2, 4, 5, 6 and 10 for a fluorescence analysis by intensity enhancements at one wavelength by varying the Na+ responsive ionophore unit and the fluorophore moiety to adjust different K-d values for an intra- or extracellular Na+ analysis. Thus, we found that 2, 4 and 5 are Na+ selective fluorescent tools, which are able to measure physiologically important Na+ levels at wavelengths higher than 500 nm. Secondly, we developed the fluorescent probes 7 and 8 to analyze precise Na+ levels by fluorescence lifetime changes. Herein, only 8 (K-d=106 mm) is a capable fluorescent tool to measure Na+ levels in blood samples by lifetime changes. Finally, the fluorescent probe 9 was designed to show a Na+ induced ratiometric fluorescence behavior at two emission wavelengths. As desired, 9 (K-d=78 mm) showed a ratiometric fluorescence response towards Na+ ions and is a suitable tool to measure physiologically relevant Na+ levels by the intensity change of two emission wavelengths at 404 nm and 492 nm.
T3  - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - 1136 
KW  - crown compounds
KW  - fluorescence lifetime
KW  - fluorescent probes
KW  - ratiometric
KW  - sodium
Y1  - 2021
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-437482
SN  - 1866-8372
IS  - 1136
ER  - 
TY  - GEN
A1  - Jones, Eppie R.
A1  - González-Fortes, Gloria M.
A1  - Connell, Sarah
A1  - Siska, Veronika
A1  - Eriksson, Anders
A1  - Martiniano, Rui
A1  - McLaughlin, Russell L.
A1  - Llorente, Marcos Gallego
A1  - Cassidy, Lara M.
A1  - Gamba, Cristina
A1  - Meshveliani, Tengiz
A1  - Bar-Yosef, Ofer
A1  - Müller, Werner
A1  - Belfer-Cohen, Anna
A1  - Matskevich, Zinovi
A1  - Jakeli, Nino
A1  - Higham, Thomas F. G.
A1  - Currat, Mathias
A1  - Lordkipanidze, David
A1  - Hofreiter, Michael
A1  - Manica, Andrea
A1  - Pinhasi, Ron
A1  - Bradley, Daniel G.
T1  - Upper Palaeolithic genomes reveal deep roots of modern Eurasians
T2  - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe
N2  - We extend the scope of European palaeogenomics by sequencing the genomes of Late Upper Palaeolithic (13,300 years old, 1.4-fold coverage) and Mesolithic (9,700 years old, 15.4-fold) males from western Georgia in the Caucasus and a Late Upper Palaeolithic (13,700 years old, 9.5-fold) male from Switzerland. While we detect Late Palaeolithic–Mesolithic genomic continuity in both regions, we find that Caucasus hunter-gatherers (CHG) belong to a distinct ancient clade that split from western hunter-gatherers ∼45 kya, shortly after the expansion of anatomically modern humans into Europe and from the ancestors of Neolithic farmers ∼25 kya, around the Last Glacial Maximum. CHG genomes significantly contributed to the Yamnaya steppe herders who migrated into Europe ∼3,000 BC, supporting a formative Caucasus influence on this important Early Bronze age culture. CHG left their imprint on modern populations from the Caucasus and also central and south Asia possibly marking the arrival of Indo-Aryan languages.
T3  - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - 1334 
Y1  - 2015
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-439317
SN  - 1866-8372
IS  - 1334
ER  - 
TY  - JOUR
A1  - Schwarze, Thomas
A1  - Müller, Holger
A1  - Ast, Sandra
A1  - Steinbrück, Dörte
A1  - Eidner, Sascha
A1  - Geißler, Felix
A1  - Kumke, Michael Uwe
A1  - Holdt, Hans-Jürgen
ED  - Kumke, Michael Uwe
T1  - Fluorescence lifetime-based sensing of sodium by an optode
JF  - Chemical Communications
N2  - We report a 1,2,3-triazol fluoroionophore for detecting Na+ that shows in vitro enhancement in the Na+-induced fluorescence intensity and decay time. The Na+-selective molecule 1 was incorporated into a hydrogel as a part of a fiber optical sensor. This sensor allows the direct determination of Na+ in the range of 1–10 mM by measuring reversible fluorescence decay time changes.
KW  - ion optodes
KW  - sensors
KW  - indicators
KW  - chromoionophore
KW  - ionophore
KW  - membrane
KW  - switches
KW  - systems
KW  - samples
KW  - green
Y1  - 2014
SN  - 0022-4936
SN  - 0009-241X
SP  - 14167
EP  - 14170
PB  - The Royal Society Chemistry
CY  - Cambridge
ER  - 
TY  - JOUR
A1  - Schwarze, Thomas
A1  - Kelling, Alexandra
A1  - Müller, Holger
A1  - Trautmann, Michael
A1  - Klamroth, Tillmann
A1  - Baumann, Otto
A1  - Strauch, Peter
A1  - Holdt, Hans-Jürgen
T1  - N-2-Pyridinylmethyl-N '-arylmethyl-diaminomaleonitriles: New Highly Selective Chromogenic Chemodosimeters for Copper(II)
JF  - Chemistry - a European journal
KW  - amides
KW  - chemodosimeter
KW  - colorimetric detection
KW  - copper
KW  - sensors
KW  - UV
KW  - Vis spectroscopy
Y1  - 2012
U6  - https://doi.org/10.1002/chem.201201731
SN  - 0947-6539
VL  - 18
IS  - 34
SP  - 10506
EP  - 10510
PB  - Wiley-VCH
CY  - Weinheim
ER  - 
TY  - JOUR
A1  - Debatin, Franziska
A1  - Thomas, Arne
A1  - Kelling, Alexandra
A1  - Hedin, Niklas
A1  - Bacsik, Zoltan
A1  - Senkovska, Irena
A1  - Kaskel, Stefan
A1  - Junginger, Matthias
A1  - Müller, Holger
A1  - Schilde, Uwe
A1  - Jäger, Christian
A1  - Friedrich, Alwin
A1  - Holdt, Hans-Jürgen
T1  - In situ synthesis of an imidazolate-4-amide-5-imidate ligand and formation of a microporous zinc-organic framework with H2-and CO2-storage ability
N2  - Narrow channels with polar walls are the structural and functional features responsible for the high capacity of a zinc-organic framework based on an imidazolate-amide-imidate ligand for the uptake of H2 and CO2 (see structure: orange Zn, blue N, red O, dark gray C, light gray H). The rigid and stable chelating ligand was synthesized in situ by partial hydrolysis of a dicyanoimidazole compound.
Y1  - 2010
UR  - http://www3.interscience.wiley.com/cgi-bin/jhome/26737/
U6  - https://doi.org/10.1002/anie.200906188
SN  - 1433-7851
ER  - 
TY  - JOUR
A1  - Schwarze, Thomas
A1  - Riemer, Janine
A1  - Müller, Holger
A1  - John, Leonard
A1  - Holdt, Hans-Jürgen
A1  - Wessig, Pablo
T1  - Na+ Selective Fluorescent Tools Based on Fluorescence Intensity Enhancements, Lifetime Changes, and on a Ratiometric Response
JF  - Chemistry - a European journal
N2  - Over the years, we developed highly selective fluorescent probes for K+ in water, which show K+-induced fluorescence intensity enhancements, lifetime changes, or a ratiometric behavior at two emission wavelengths (cf. Scheme 1, K1-K4). In this paper, we introduce selective fluorescent probes for Na+ in water, which also show Na+ induced signal changes, which are analyzed by diverse fluorescence techniques. Initially, we synthesized the fluorescent probes 2, 4, 5, 6 and 10 for a fluorescence analysis by intensity enhancements at one wavelength by varying the Na+ responsive ionophore unit and the fluorophore moiety to adjust different K-d values for an intra- or extracellular Na+ analysis. Thus, we found that 2, 4 and 5 are Na+ selective fluorescent tools, which are able to measure physiologically important Na+ levels at wavelengths higher than 500 nm. Secondly, we developed the fluorescent probes 7 and 8 to analyze precise Na+ levels by fluorescence lifetime changes. Herein, only 8 (K-d=106 mm) is a capable fluorescent tool to measure Na+ levels in blood samples by lifetime changes. Finally, the fluorescent probe 9 was designed to show a Na+ induced ratiometric fluorescence behavior at two emission wavelengths. As desired, 9 (K-d=78 mm) showed a ratiometric fluorescence response towards Na+ ions and is a suitable tool to measure physiologically relevant Na+ levels by the intensity change of two emission wavelengths at 404 nm and 492 nm.
KW  - crown compounds
KW  - fluorescence lifetime
KW  - fluorescent probes
KW  - ratiometric
KW  - sodium
Y1  - 2019
U6  - https://doi.org/10.1002/chem.201902536
SN  - 0947-6539
SN  - 1521-3765
VL  - 25
IS  - 53
SP  - 12412
EP  - 12422
PB  - Wiley-VCH
CY  - Weinheim
ER  - 
TY  - GEN
A1  - Schwarze, Thomas
A1  - Müller, Holger
A1  - Ast, Sandra
A1  - Steinbrück, Dörte
A1  - Eidner, Sascha
A1  - Geißler, Felix
A1  - Kumke, Michael Uwe
A1  - Holdt, Hans-Jürgen
T1  - Fluorescence lifetime-based sensing of sodium by an optode
N2  - We report a 1,2,3-triazol fluoroionophore for detecting Na+ that shows in vitro enhancement in the Na+-induced fluorescence intensity and decay time. The Na+-selective molecule 1 was incorporated into a hydrogel as a part of a fiber optical sensor. This sensor allows the direct determination of Na+ in the range of 1–10 mM by measuring reversible fluorescence decay time changes.
T3  - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - 182 
KW  - ion optodes
KW  - sensors
KW  - indicators
KW  - chromoionophore
KW  - ionophore
KW  - membrane
KW  - switches
KW  - systems
KW  - samples
KW  - green
Y1  - 2014
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-76785
SP  - 14167
EP  - 14170
PB  - The Royal Society of Chemistry
CY  - Cambridge
ER  - 
TY  - BOOK
A1  - Müller, Klaus
A1  - Nagel, Thomas
A1  - Petersen, Hans-Georg
T1  - Ökosteuerreform und Senkung der direkten Abgaben : zu einer Neugestaltung des deutschen Steuer- und Transfersystems
N2  - Aus der Einleitung: Angesichts der erkannten Defizite des deutschen Steuer- und Transfersystems rücken Forderungen nach einer grundlegenden Umgestaltung in jüngster Vergangenheit verstärkt in das Zentrum der öffentlichen Diskussion. So werden einerseits infolge der zahlreichen verfassungsgerichtlichen Änderungsvorgaben neben der bereits in Angriff genommenen einkommensteuerlichen Freistellung des Existenzminimums auch vielfältige Anpassungen in Vermögen-, Erbschaft- und Grundsteuern notwendig. Gleichzeitig erscheinen Maßnahmen zur Verbesserung der Anreizstruktur erforderlich, die wiederum erhebliche Rückwirkungen auf die zukünftige Struktur des Einkommensteuertarifs (insbesondere dessen Grenzsteuersatzverlauf) haben dürften. Andererseits forciert die Vielzahl der festzustellenden Umweltprobleme die Forderung nach einer instrumentalen Neuorientierung mit verstärkter Betonung des Einsatzes von Lenkungsabgaben. Zur Verwendung der aus umweltorientierten Abgaben resultierenden Einnahmen wird vorgeschlagen, diese in gleicher Höhe in Form kompensierender Senkungen der Einkommensteuer an die Steuerpflichtigen weiterzugeben, so daß eine Erhöhung der volkswirtschaftlichen Steuerquote ausgeschlossen wird. Diese Umstrukturierung des Steuersystems weg von direkten und hin zu indirekten Steuern ließe sich zugleich verbinden mit einer allgemeinen Sicherung eines Grundeinkommens in der Form, daß die existierende Sozialhilfe durch eine "Negative Einkommensteuer" ersetzt würde. Diese Fundamentalreform des Steuerund Transfersystems könnte nicht nur zu einer wesentlichen Verbesserung ökonomischer Anreizwirkungen beitragen, sondern zugleich über die ausgelösten Lenkungswirkungen zu einer modernen, ökologieorientierten Wirtschaftsstruktur führen. Als Kompensationsmaßnahmen sind auch nachhaltige Verringerungen der Lohnnebenkosten denkbar, die die Standortbedingungen für die Unternehmen in Deutschland deutlich verbessern könnten.
T3  - Finanzwissenschaftliche Diskussionsbeiträge - Bd. 08 
Y1  - 1996
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-16116
ER  - 
TY  - BOOK
A1  - Klose, Dagmar
A1  - Nolde, Bettina
A1  - Eichholz, Nicole
A1  - Nolde, Bettina
A1  - Engelland, Christian
A1  - Kroggel, Petra
A1  - Kunde, Christine
A1  - Pirska, Maya
A1  - Stähr, Anne
A1  - Flechsig, Thomas
A1  - Lehmann, Andrea
A1  - Petersen, Anne
A1  - Siekmann, Katja
A1  - Bielick, Jakob
A1  - Skerra, Arne
A1  - Bonnet, Florian
A1  - Klemmt, Gregor
A1  - Wagner, Anne
A1  - Müller, Andreas
A1  - Schurmann, Angela
ED  - Klose, Dagmar
T1  - Die Grundlegung der modernen Welt in der Antike : Lehrerhandreiche für den Geschichtsunterricht nach neuem Rahmenlehrplan für die Sekundarstufe II Berlin-Brandenburg
N2  - Ein neues Ziel-Inhalts-Konzept des Rahmenlehrplans nimmt in dieser Lehrerhandreiche Gestalt an. Fachwissenschaftliche und didaktische Instruktionen sowie ein ideenreicher Arbeitsteil (Materialien und Aufgaben) helfen bei der Unterrichtsvorbereitung. Aus dem Inhalt: - ein integratives Antike-Projekt untersucht Möglichkeiten und Grenzen gesellschaftlicher Teilhabe in Athen und der römischen Republik; - Augustus und Alexander als Zentralgestalten universaler Monarchie und Reichsbildung werden in der biografischen Rekonstruktion und im historischen Kontext lebendig; - das Thema Erinnerungskultur in der Antike und heute verweist auf Grundprobleme der Geschichtskultur; - Anregungen zur Arbeit mit dem Spielfilm „Alexander“ als historische Quelle führen an rezeptionsgeschichtliche und medienspezifische Aspekte historischen Lernens heran
T3  - Perspektiven historischen Denkens und Lernens - 3 
KW  - Antike im Geschichtsunterricht
KW  - Geschichtskultur
KW  - Handlungsorientierung
Y1  - 2008
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-15298
SN  - 978-3-939469-96-4
PB  - Universitätsverlag Potsdam
CY  - Potsdam
ER  - 
TY  - JOUR
A1  - Grimm, Christiane
A1  - Meyer, Thomas
A1  - Czapla, Sylvia
A1  - Nikolaus, Jörg
A1  - Scheidt, Holger A.
A1  - Vogel, Alexander
A1  - Herrmann, Andreas
A1  - Wessig, Pablo
A1  - Huster, Daniel
A1  - Müller, Peter
T1  - Structure and dynamics of molecular rods in membranes application of a Spin-Labeled rod
JF  - Chemistry - a European journal
N2  - Molecular rods consisting of a hydrophobic backbone and terminally varying functional groups have been synthesized for applications for the functionalization of membranes. In the present study, we employ a spin-labeled analogue of a recently described new class of molecular rods to characterize their dynamic interactions with membranes. By using the different approaches of ESR and NMR spectroscopy, we show that the spin moiety of the membrane-embedded spin-labeled rod is localized in the upper chain/glycerol region of membranes of different compositions. The rod is embedded within the membrane in a tilted orientation to adjust for the varying hydrophobic thicknesses of these bilayers. This orientation does not perturb the membrane structure. The water solubility of the rod is increased significantly in the presence of certain cyclodextrins. These cyclodextrins also allow the rods to be extracted from the membrane and incorporated into preformed membranes. The latter will improve the future applications of these rods in cellular systems as stable membrane-associated anchors for the functionalization of membrane surfaces.
KW  - hydrophobic mismatch
KW  - membranes
KW  - molecular rods
KW  - phospholipids
KW  - spiro compounds
Y1  - 2013
U6  - https://doi.org/10.1002/chem.201202500
SN  - 0947-6539
VL  - 19
IS  - 8
SP  - 2703
EP  - 2710
PB  - Wiley-VCH
CY  - Weinheim
ER  - 
TY  - JOUR
A1  - Petersen, Hans-Georg
A1  - Müller, Klaus
A1  - Nagel, Thomas
T1  - Mineralölsteuererhöhung und kompensatorische Einkommensteuersenkung. Simulation der Verteilungseffekte in einem mikroökonomischen Gruppensimulationsmodell
Y1  - 1998
SN  - 0023-3498
ER  - 
TY  - JOUR
A1  - Hlinak, Andreas
A1  - Müller, Thomas
A1  - Kramer, Matthias
A1  - Mühle, Ralf-Udo
A1  - Liebherr, Helga
A1  - Ziedler, Klaus
T1  - Serological survey of viral pathogens in bean and white-fronted geese from Germany
Y1  - 1998
SN  - 0090-3558
ER  - 
TY  - JOUR
A1  - Jedrusik-Bode, Monika
A1  - Studencka, Maja
A1  - Smolka, Christian
A1  - Baumann, Tobias
A1  - Schmidt, Henning
A1  - Kampf, Jan
A1  - Paap, Franziska
A1  - Martin, Sophie
A1  - Tazi, Jamal
A1  - Müller, Kristian M.
A1  - Krüger, Marcus
A1  - Braun, Thomas
A1  - Bober, Eva
T1  - The sirtuin SIRT6 regulates stress granule formation in C. elegans and mammals
JF  - Journal of cell science
N2  - SIRT6 is a NAD(+)-dependent deacetylase that modulates chromatin structure and safeguards genomic stability. Until now, SIRT6 has been assigned to the nucleus and only nuclear targets of SIRT6 are known. Here, we demonstrate that in response to stress, C. elegans SIR-2.4 and its mammalian orthologue SIRT6 localize to cytoplasmic stress granules, interact with various stress granule components and induce their assembly. Loss of SIRT6 or inhibition of its catalytic activity in mouse embryonic fibroblasts impairs stress granule formation and delays disassembly during recovery, whereas deficiency of SIR-2.4 diminishes maintenance of P granules and decreases survival of C. elegans under stress conditions. Our findings uncover a novel, evolutionary conserved function of SIRT6 in the maintenance of stress granules in response to stress.
KW  - C. elegans
KW  - G3BP
KW  - SIRT6
KW  - Sirtuins
KW  - Stress
KW  - Stress granules
Y1  - 2013
U6  - https://doi.org/10.1242/jcs.130708
SN  - 0021-9533
SN  - 1477-9137
VL  - 126
IS  - 22
SP  - 5166
EP  - +
PB  - Company of Biologists Limited
CY  - Cambridge
ER  -