TY - JOUR A1 - Hermanussen, Michael A1 - Lieberman, L. S. A1 - Schönfeld Janewa, U. A1 - Scheffler, Christiane A1 - Ghosh, A. A1 - Bogin, Barry A1 - Godina, E. A1 - Kaczmarek, M. A1 - El-Shabrawi, M. A1 - Salama, E. E. A1 - Rühli, F. J. A1 - Staub, K. A1 - Woitek, U. A1 - Blaha, Pawel A1 - vanBuurren, S. A1 - Lehmann, A. A1 - Satake, T. A1 - Thodberg, H. H. A1 - Jopp, E. A1 - Kirchengast, S. A1 - Tutkuviene, J. A1 - McIntyre, M. H. A1 - Wittwer-Backofen, U. A1 - Boldsen, J. L. A1 - Martin, D. D. A1 - Meier, J. T1 - Diversity in auxology: between theory and practice Proceedings of the 18th Aschauer Soiree, 13th November 2010 Y1 - 2012 SN - 0003-5548 ER - TY - JOUR A1 - Hermanussen, Michael A1 - Lieberman, Leslie Su A1 - Janewa, V. Schoenfeld A1 - Scheffler, Christiane A1 - Ghosh, Arunava A1 - Bogin, Barry A1 - Godina, Elena A1 - Kaczmarek, M. A1 - El-Shabrawi, M. A1 - Salama, E. E. A1 - Rühli, Frank J. A1 - Staub, Kaspar A1 - Woitek, U. A1 - Blaha, Pawel A1 - Aßmann, Christian A1 - van Buuren, Stef A1 - Lehmann, A. A1 - Satake, T. A1 - Thodberg, H. H. A1 - Jopp, E. A1 - Kirchengast, S. A1 - Tutkuviene, J. A1 - McIntyre, M. H. A1 - Wittwer-Backofen, U. A1 - Boldsen, Jesper L. A1 - Martin, D. D. A1 - Meier, J. T1 - Diversity in auxology between theory and practice JF - Journal of biological and clinical anthropology : Anthropologischer Anzeiger ; Mitteilungsorgan der Gesellschaft für Anthropologie N2 - Auxology has developed from mere describing child and adolescent growth into a vivid and interdisciplinary research area encompassing human biologists, physicians, social scientists, economists and biostatisticians. The meeting illustrated the diversity in auxology, with the various social, medical, biological and biostatistical aspects in studies on child growth and development. KW - child growth KW - adolescent growth KW - child development KW - height KW - weight KW - body mass KW - socio-economic environment Y1 - 2012 U6 - https://doi.org/10.1127/0003-5548/2012/0133 SN - 0003-5548 VL - 69 IS - 2 SP - 159 EP - 174 PB - Schweizerbart CY - Stuttgart ER - TY - JOUR A1 - Hayer, Anna A1 - de Halleux, Veronique A1 - Köhler, Anna A1 - El-Garoughy, Abdel A1 - Meijer, E. W. A1 - Barbera, Joaquin A1 - Tant, Julien A1 - Levin, Jeremy A1 - Lehmann, Matthias A1 - Gierschner, Johannes A1 - Cornil, Jerome A1 - Geerts, Yves Henri T1 - Highly fluorescent crystalline and liquid crystalline columnar phases of pyrene-based structures N2 - A concept for highly ordered solid-state structures with bright fluorescence is proposed: liquid crystals based on tetraethynylpyrene chromophores, where the rigid core is functionalized with flexible, promesogenic alkoxy chains. The synthesis of this novel material is presented. The therniotropic properties are studied by means of differential scanning calorimetry (DSC), cross-polarized optical microscopy (POM), and X-ray diffraction. The mesogen possesses an enantiotropic Col(h) phase over a large temperature range before clearing. The material is highly fluorescent in solution and, most remarkably, in the condensed state, with a broad, strongly red shifted emission. Fluorescence quantum yields (Phi(F)) have been determined to be 70% in dichloromethane solution and 62% in the solid state. Concentration- and temperature-dependent absorption and emission studies as well as quantum-chemical calculations on isolated molecules and dimers are used to clarify the type of intermolecular interactions present as well as their influence on the fluorescence quantum yield and spectral properties of the material. The high luminescence efficiency in the solid state is ascribed to rotated chromophores, leading to an optically allowed lowest optical transition Y1 - 2006 UR - http://pubs.acs.org/journal/jpcbfk U6 - https://doi.org/10.1021/Jp0573689 SN - 1520-6106 ER - TY - JOUR A1 - Bartel, Manuela A1 - Hartmann, Stefanie A1 - Lehmann, Karola A1 - Postel, Kai A1 - Quesada, Humberto A1 - Philipp, Eva E. R. A1 - Heilmann, Katja A1 - Micheel, Burkhard A1 - Stuckas, Heiko T1 - Identification of sperm proteins as candidate biomarkers for the analysis of reproductive isolation in Mytilus: a case study for the enkurin locus JF - Marine biology : international journal on life in oceans and coastal waters N2 - Sperm proteins of the marine sessile mussels of the Mytilus edulis species complex are models to investigate reproductive isolation and speciation. This study aimed at identifying sperm proteins and their corresponding genes. This was aided by the use of monoclonal antibodies that preferentially bind to yet unknown sperm molecules. By identifying their target molecules, this approach identified proteins with relevance to Mytilus sperm function. This procedure identified 16 proteins, for example, enkurin, laminin, porin and heat shock proteins. The potential use of these proteins as genetic markers to study reproductive isolation is exemplified by analysing the enkurin locus. Enkurin evolution is driven by purifying selection, the locus displays high levels of intraspecific variation and species-specific alleles group in distinct phylogenetic clusters. These findings characterize enkurin as informative candidate biomarker for analyses of clinal variation and differential introgression in hybrid zones, for example, to understand determinants of reproductive isolation in Baltic Mytilus populations. Y1 - 2012 U6 - https://doi.org/10.1007/s00227-012-2005-7 SN - 0025-3162 VL - 159 IS - 10 SP - 2195 EP - 2207 PB - Springer CY - New York ER - TY - JOUR A1 - Neill, Christopher A1 - Chaves, Joaquín E. A1 - Biggs, Trent A1 - Deegan, Linda A. A1 - Elsenbeer, Helmut A1 - Figueiredo, Ricardo O. A1 - Germer, Sonja A1 - Johnson, Mark S. A1 - Lehmann, Johannes A1 - Markewitz, Daniel A1 - Piccolo, Marisa C. T1 - Runoff sources and land cover change in the Amazon an end-member mixing analysis from small watersheds JF - Biogeochemistry N2 - The flowpaths by which water moves from watersheds to streams has important consequences for the runoff dynamics and biogeochemistry of surface waters in the Amazon Basin. The clearing of Amazon forest to cattle pasture has the potential to change runoff sources to streams by shifting runoff to more surficial flow pathways. We applied end-member mixing analysis (EMMA) to 10 small watersheds throughout the Amazon in which solute composition of streamwater and groundwater, overland flow, soil solution, throughfall and rainwater were measured, largely as part of the Large-Scale Biosphere-Atmosphere Experiment in Amazonia. We found a range in the extent to which streamwater samples fell within the mixing space determined by potential flowpath end-members, suggesting that some water sources to streams were not sampled. The contribution of overland flow as a source of stream flow was greater in pasture watersheds than in forest watersheds of comparable size. Increases in overland flow contribution to pasture streams ranged in some cases from 0% in forest to 27-28% in pasture and were broadly consistent with results from hydrometric sampling of Amazon forest and pasture watersheds that indicate 17- to 18-fold increase in the overland flow contribution to stream flow in pastures. In forest, overland flow was an important contribution to stream flow (45-57%) in ephemeral streams where flows were dominated by stormflow. Overland flow contribution to stream flow decreased in importance with increasing watershed area, from 21 to 57% in forest and 60-89% in pasture watersheds of less than 10 ha to 0% in forest and 27-28% in pastures in watersheds greater than 100 ha. Soil solution contributions to stream flow were similar across watershed area and groundwater inputs generally increased in proportion to decreases in overland flow. Application of EMMA across multiple watersheds indicated patterns across gradients of stream size and land cover that were consistent with patterns determined by detailed hydrometric sampling. KW - Cattle pasture KW - Deforestation KW - Flowpaths KW - Principal components analysis KW - Overland flow KW - Soil solution Y1 - 2011 U6 - https://doi.org/10.1007/s10533-011-9597-8 SN - 0168-2563 VL - 105 IS - 1-3 SP - 7 EP - 18 PB - Springer CY - Dordrecht ER - TY - JOUR A1 - Wambsganß, Joachim A1 - Hasinger, Günther A1 - Giacconi, R. A1 - Gunn, J. E. A1 - Lehmann, Ingo A1 - Schmidt, M. A1 - Schneider, D. P. A1 - Stanke, Thomas A1 - Trümper, J. A1 - Woods, D. A1 - Zamorani, G. T1 - A Distant X-ray Selected, Gravitationally-Lensing Galaxy Cluster Y1 - 2000 ER - TY - JOUR A1 - Lehmann, Ingo A1 - Hasinger, Günther A1 - Giacconi, R. A1 - Gunn, J. E. A1 - Schmidt, M. A1 - Schneider, D. P. A1 - Stanke, Thomas A1 - Trümper, J. A1 - Wambsganß, Joachim A1 - Woods, D. A1 - Zamorani, G. T1 - One of the highest redshift X-Ray selected clusters of galaxies Y1 - 2000 SN - 3-540-67163-3 ER - TY - JOUR A1 - Haber-Pohlmeier, Sabina A1 - Tötzke, Christian A1 - Lehmann, E. A1 - Kardjilov, Nikolay A1 - Pohlmeier, A. A1 - Oswald, Sascha T1 - Combination of magnetic resonance imaging and neutron computed tomography for three-dimensional rhizosphere imaging JF - Vadose zone journal N2 - Core Ideas 3D MRI relaxation time maps reflect water mobility in root, rhizosphere, and soil. 3D NCT water content maps of the same plant complement relaxation time maps. The relaxation time T1 decreases from soil to root, whereas water content increases. Parameters together indicate modification of rhizosphere pore space by gel phase. The zone of reduced T1 corresponds to the zone remaining dry after rewetting. In situ investigations of the rhizosphere require high‐resolution imaging techniques, which allow a look into the optically opaque soil compartment. We present the novel combination of magnetic resonance imaging (MRI) and neutron computed tomography (NCT) to achieve synergistic information such as water mobility in terms of three‐dimensional (3D) relaxation time maps and total water content maps. Besides a stationary MRI scanner for relaxation time mapping, we used a transportable MRI system on site in the NCT facility to capture rhizosphere properties before desiccation and after subsequent rewetting. First, we addressed two questions using water‐filled test capillaries between 0.1 and 5 mm: which root diameters can still be detected by both methods, and to what extent are defined interfaces blurred by these imaging techniques? Going to real root system architecture, we demonstrated the sensitivity of the transportable MRI device by co‐registration with NCT and additional validation using X‐ray computed tomography. Under saturated conditions, we observed for the rhizosphere in situ a zone with shorter T1 relaxation time across a distance of about 1 mm that was not caused by reduced water content, as proven by successive NCT measurements. We conclude that the effective pore size in the pore network had changed, induced by a gel phase. After rewetting, NCT images showed a dry zone persisting while the MRI intensity inside the root increased considerably, indicating water uptake from the surrounding bulk soil through the still hydrophobic rhizosphere. Overall, combining NCT and MRI allows a more detailed analysis of the rhizosphere's functioning. Y1 - 2019 U6 - https://doi.org/10.2136/vzj2018.09.0166 SN - 1539-1663 VL - 18 IS - 1 PB - Soil Science Society of America CY - Madison ER -