@article{HeinkenSchmidtvonOheimbetal.2005, author = {Heinken, Thilo and Schmidt, M. and von Oheimb, Goddert and Kriebitzsch, Wolf-Ulrich and Ellenberg, H.}, title = {Ausbreitung von Pflanzen durch Schalenwild}, issn = {0936-1294 -}, year = {2005}, language = {de} } @article{EsserLauchtSchmidt2005, author = {Esser, G{\"u}nter and Laucht, Manfred and Schmidt, M. H.}, title = {Modell der Entstehung von Substanzmissbrauch : stellt die Fr{\"u}hkindheit die Weichen?}, isbn = {3-525-46237-9}, year = {2005}, language = {de} } @article{IhleEsserSchmidt2005, author = {Ihle, Wolfgang and Esser, G{\"u}nter and Schmidt, M. H.}, title = {Aggressiv-dissoziale St{\"o}rungen und rechtsextreme Einstellungen : Pr{\"a}valenz, Geschlechtsunterschiede, Verlauf und Risikofaktoren}, year = {2005}, language = {de} } @article{WilkePartzschSchmidtetal.2004, author = {Wilke, Max and Partzsch, G. M. and Schmidt, C. and Farges, Francois}, title = {In-situ study of the iron species in silicate melts}, issn = {0016-7037}, year = {2004}, language = {en} } @article{KressJarrinThuroffetal.2004, author = {Kress, H. and Jarrin, A. and Thuroff, E. and Saunders, R. and Weise, C. and Schmidt am Busch, Marcel and Knapp, E. W. and Wedde, M. and Vilcinskas, Andreas}, title = {A Kunitz type protease inhibitor related protein is synthesized in Drosophila prepupal salivary glands and released into the moulting fluid during pupation}, issn = {0965-1748}, year = {2004}, abstract = {From the Drosophila virilis late puff region 31C, we microcloned two neighbouring genes, Kil-1 and Kil-2, that encode putative Kunitz serine protease inhibitor like proteins. The Kil-1 gene is expressed exclusively in prepupal salivary glands. Using a size mutant of the KIL-1 protein and MALDI-TOF analysis, we demonstrate that during pupation this protein is released from the prepupal salivary glands into the pupation fluid covering the surface of the pupa. 3-D- structure predictions are consistent with the known crystal structure of the human Kunitz type protease inhibitor 2KNT. This is the first experimental proof for the extra-corporal presence of a distinct Drosophila prepupal salivary gland protein. Possible functions of KIL-1 in the context of the control of proteolytic activities in the pupation fluid are discussed. (C) 2004 Elsevier Ltd. All rights reserved}, language = {en} } @article{EsserBlanzIhleetal.2004, author = {Esser, G{\"u}nter and Blanz, Bernhard and Ihle, Wolfgang and Schmidt, M. H.}, title = {Modell und Entstehung des Substanzmissbrauchs}, isbn = {3-525-49075-6}, year = {2004}, language = {de} } @article{IhleEsserLauchtetal.2004, author = {Ihle, Wolfgang and Esser, G{\"u}nter and Laucht, Manfred and Schmidt, M. H.}, title = {Depressive St{\"o}rungen und aggressiv-dissoziale St{\"o}rungen im Kindes- und Jugendalter : Pr{\"a}valenz, Verlauf und Risikofaktoren}, year = {2004}, language = {de} } @article{LauchtSchmidtEsser2004, author = {Laucht, Manfred and Schmidt, M. H. and Esser, G{\"u}nter}, title = {The development of at-risk children in early life}, year = {2004}, language = {en} } @article{RickertLendleinSchmidtetal.2003, author = {Rickert, D. and Lendlein, Andreas and Schmidt, A. M. and Kelch, S. and Roehlke, W. and Fuhrmann, R. and Franke, R. P.}, title = {In vitro cytotoxicity testing of AB-polymer networks based on oligo(epsilon-caprolactone) segments after different sterilization techniques}, year = {2003}, language = {en} } @article{GordonKrivovSchmidtetal.2002, author = {Gordon, M. K. and Krivov, Alexander V. and Schmidt, J{\"u}rgen and Spahn, Frank}, title = {Planetary rings}, year = {2002}, language = {en} } @article{GorbatenkoPushkinSchmidt2002, author = {Gorbatenko, M. V. and Pushkin, A. V. and Schmidt, Hans-J{\"u}rgen}, title = {On a relation between the Bach equation and the equation of geometrodynamics}, year = {2002}, abstract = {The Bach equation and the equation of geometrodynamics are based on two quite different physical motivations, but in both approaches, the conformal properties of gravitation plays the key role. In this paper we present an analysis of the relation between these two equations and show that the solutions of the equation of geometrodynamics are of a more general nature. We show the following non-trivial result: there exists a conformally invariant Lagrangian, whose field equation generalizes the Bach equation and has as solutions those Ricci tensors which are solutions to the equation of geometrodynamics.}, language = {en} } @article{GraetzSeissSchmidtetal.2019, author = {Gr{\"a}tz, Fabio M. and Seiß, Martin and Schmidt, J{\"u}rgen and Colwell, Joshua and Spahn, Frank}, title = {Sharp Gap Edges in Dense Planetary Rings}, series = {The astrophysical journal : an international review of spectroscopy and astronomical physics}, volume = {872}, journal = {The astrophysical journal : an international review of spectroscopy and astronomical physics}, number = {2}, publisher = {IOP Publ. Ltd.}, address = {Bristol}, issn = {0004-637X}, doi = {10.3847/1538-4357/ab007e}, pages = {11}, year = {2019}, abstract = {One of the most intriguing facets of Saturn's rings are the sharp edges of gaps in the rings where the surface density abruptly drops to zero. This is despite of the fact that the range over which a moon transfers angular momentum onto the ring material is much larger. Recent UVIS-scans of the edges of the Encke and Keeler gap show that this drop occurs over a range approximately equal to the rings' thickness. Borderies et al. show that this striking feature is likely related to the local reversal of the usually outward directed viscous transport of angular momentum in strongly perturbed regions. In this article we revise the Borderies et al. model using a granular flow model to define the shear and bulk viscosities, ν and ζ, and incorporate the angular momentum flux reversal effect into the axisymmetric diffusion model we developed for gaps in dense planetary rings. Finally, we apply our model to the Encke and Keeler division in order to estimate the shear and bulk viscosities in the vicinity of both gaps}, language = {en} } @article{SchmidtMartinLopezPhillipsetal.2018, author = {Schmidt, Katja and Martin-Lopez, Berta and Phillips, Peter M. and Julius, Eike and Makan, Neville and Walz, Ariane}, title = {Key landscape features in the provision of ecosystem services}, series = {Land use policy}, volume = {82}, journal = {Land use policy}, publisher = {Elsevier}, address = {Oxford}, issn = {0264-8377}, doi = {10.1016/j.landusepol.2018.12.022}, pages = {353 -- 366}, year = {2018}, abstract = {Whereas ecosystem service research is increasingly being promoted in science and policy, the utilisation of ecosystem services knowledge remains largely underexplored for regional ecosystem management. To overcome the mere generation of knowledge and contribute to decision-making, scientists are facing the challenge of articulating specific implications of the ecosystem service approach for practical land use management. In this contribution, we compare the results of participatory mapping of ecosystem services with the existing management plan for the Pentland Hills Regional Park (Scotland, UK) to inform its future management plan. By conducting participatory mapping in a workshop with key stakeholders (n = 20), we identify hotspots of ecosystem services and the landscape features underpinning such hotspots. We then analyse to what extent these landscape features are the focus of the current management plan. We found a clear mismatch between the key landscape features underpinning the provision of ecosystem services and the management strategy suggested. Our findings allow for a better understanding of the required focus of future land use management to account for ecosystem services.}, language = {en} } @article{KnebelNeebZahnetal.2018, author = {Knebel, Constanze and Neeb, Jannika and Zahn, Elisabeth and Schmidt, Flavia and Carazo, Alejandro and Holas, Ondej and Pavek, Petr and P{\"u}schel, Gerhard Paul and Zanger, Ulrich M. and S{\"u}ssmuth, Roderich and Lampen, Alfonso and Marx-Stoelting, Philip and Braeuning, Albert}, title = {Unexpected Effects of Propiconazole, Tebuconazole, and Their Mixture on the Receptors CAR and PXR in Human Liver Cells}, series = {Toxicological sciences}, volume = {163}, journal = {Toxicological sciences}, number = {1}, publisher = {Oxford Univ. Press}, address = {Oxford}, issn = {1096-6080}, doi = {10.1093/toxsci/kfy026}, pages = {170 -- 181}, year = {2018}, abstract = {Analyzing mixture toxicity requires an in-depth understanding of the mechanisms of action of its individual components. Substances with the same target organ, same toxic effect and same mode of action (MoA) are believed to cause additive effects, whereas substances with different MoAs are assumed to act independently. Here, we tested 2 triazole fungicides, propiconazole, and tebuconazole (Te), for individual and combined effects on liver toxicity-related endpoints. Both triazoles are proposed to belong to the same cumulative assessment group and are therefore thought to display similar and additive behavior. Our data show that Te is an antagonist of the constitutive androstane receptor (CAR) in rats and humans, while propiconazole is an agonist of this receptor. Both substances activate the pregnane X-receptor (PXR) and further induce mRNA expression of CYP3A4. CYP3A4 enzyme activity, however, is inhibited by propiconazole. For common targets of PXR and CAR, the activation of PXR by Te overrides CAR inhibition. In summary, propiconazole and Te affect different hepatotoxicity-relevant cellular targets and, depending on the individual endpoint analyzed, act via similar or dissimilar mechanisms. The use of molecular data based on research in human cell systems extends the picture to refine cumulative assessment group grouping and substantially contributes to the understanding of mixture effects of chemicals in biological systems.}, language = {en} } @article{RaderFauthGouldetal.2005, author = {Rader, Oliver and Fauth, K. and Gould, C. and Ruster, C. and Schott, G. M. and Schmidt, G. and Brunner, K. and Molenkamp, Laurens W. and Schutz, G. and Kronast, F. and Durr, H. A. and Eberhardt, W. and Gudat, Wolfgang}, title = {Identification of extrinsic Mn contributions in Ga1-xMnxAs by field-dependent magnetic circular X-ray dichroism}, issn = {0368-2048}, year = {2005}, abstract = {We combine sensitivity to atomic number, chemical shifts, probing depth, and magnetic order in a field- dependent magnetic circular X-ray dichroism study at the Mn L-edge of the diluted ferromagnetic semiconductor Ga1-xMnxAs and observe different Mn constituents: ferromagnetic Mn with an n(d) > 5 lineshape and paramagnetic Mn with distinct n(d) = 5 lineshape. The paramagnetic Mn is assigned to interstitials with surface segregation tendency. (c) 2005 Elsevier B.V. All rights reserved}, language = {en} } @article{ToetzkeGaiselmannOsenbergetal.2016, author = {T{\"o}tzke, Christian and Gaiselmann, G. and Osenberg, M. and Arlt, T. and Mark{\"o}tter, H. and Hilger, A. and Kupsch, Andreas and M{\"u}ller, B. R. and Schmidt, V. and Lehnert, W. and Manke, Ingo}, title = {Influence of hydrophobic treatment on the structure of compressed gas diffusion layers}, series = {Journal of power sources : the international journal on the science and technology of electrochemical energy systems}, volume = {324}, journal = {Journal of power sources : the international journal on the science and technology of electrochemical energy systems}, publisher = {Elsevier}, address = {Amsterdam}, issn = {0378-7753}, doi = {10.1016/j.jpowsour.2016.05.118}, pages = {625 -- 636}, year = {2016}, abstract = {Carbon fiber based felt materials are widely used as gas diffusion layer (GDL) in fuel cells. Their transport properties can be adjusted by adding hydrophobic agents such as polytetrafluoroethylene (PTFE). We present a synchrotron X-ray tomographic study on the felt material Freudenberg H2315 with different PIPE finishing. In this study, we analyze changes in microstructure and shape of GDLs at increasing degree of compression which are related to their specific PTFE load. A dedicated compression device mimicking the channel-land pattern of the flowfield is used to reproduce the inhomogeneous compression found in a fuel cell. Transport relevant geometrical parameters such as porosity, pore size distribution and geometric tortuosity are calculated and consequences for media transport discussed. PTFE finishing results in a marked change of shape of compressed GDLs: surface is smoothed and the invasion of GDL fibers into the flow field channel strongly mitigated. Furthermore, the PTFE impacts the microstructure of the compressed GDL. The number of available wide transport paths is significantly increased as compared to the untreated material. These changes improve the transport capacity liquid water through the GDL and promote the discharge of liquid water droplets from the cell. (C) 2016 Elsevier B.V. All rights reserved.}, language = {en} } @article{PietzFaetkenheuerBurgardetal.1997, author = {Pietz, J. and F{\"a}tkenheuer, Brigitte and Burgard, P. and Armbruster, M. and Esser, G{\"u}nter and Schmidt, Martin H.}, title = {Psychiatric disorders in adult patients with early-treated phenylketonuria}, year = {1997}, language = {en} } @article{PadeSchmidtStumpeetal.1996, author = {Pade, Sylvia and Schmidt, Hartmut and Stumpe, Joachim and Fischer, Thomas M.}, title = {(Micro-)fluorescence spectroscopy of side chain polymers with bezanilide moieties}, year = {1996}, language = {en} } @article{TobieGieseHurfordetal.2010, author = {Tobie, Gabriel and Giese, Bernd and Hurford, Terry Anthony and Lopes, Rosaly M. and Nimmo, Francis and Postberg, Frank and Retherford, Kurt D. and Schmidt, J{\"u}rgen and Spencer, John R. and Tokano, Tetsuya and Turtle, Elizabeth P.}, title = {Surface, subsurface and atmosphere exchanges on the satellites of the outer solar system}, issn = {0038-6308}, doi = {10.1007/s11214-010-9641-3}, year = {2010}, abstract = {The surface morphology of icy moons is affected by several processes implicating exchanges between their subsurfaces and atmospheres (if any). The possible exchange of material between the subsurface and the surface is mainly determined by the mechanical properties of the lithosphere, which isolates the deep, warm and ductile ice material from the cold surface conditions. Exchanges through this layer occur only if it is sufficiently thin and/or if it is fractured owing to tectonic stresses, melt intrusion or impact cratering. If such conditions are met, cryomagma can be released, erupting fresh volatile-rich materials onto the surface. For a very few icy moons (Titan, Triton, Enceladus), the emission of gas associated with cryovolcanic activity is sufficiently large to generate an atmosphere, either long- lived or transient. For those moons, atmosphere-driven processes such as cryovolcanic plume deposition, phase transitions of condensable materials and wind interactions continuously re-shape their surfaces, and are able to transport cryovolcanically generated materials on a global scale. In this chapter, we discuss the physics of these different exchange processes and how they affect the evolution of the satellites' surfaces.}, language = {en} } @book{RauhSchmidtDenterPerrezetal.1995, author = {Rauh, Hellgard and Schmidt-Denter, U. and Perrez, M. and Krapp, A.}, title = {Psychologie in Erziehung und Unterricht : Zeitschrift f{\"u}r Forschung und Praxis}, publisher = {Reinhardt}, address = {M{\"u}nchen}, issn = {0342-183X}, year = {1995}, language = {de} }