TY  - JOUR
A1  - Soliveres, Santiago
A1  - van der Plas, Fons
A1  - Manning, Peter
A1  - Prati, Daniel
A1  - Gossner, Martin M.
A1  - Renner, Swen C.
A1  - Alt, Fabian
A1  - Arndt, Hartmut
A1  - Baumgartner, Vanessa
A1  - Binkenstein, Julia
A1  - Birkhofer, Klaus
A1  - Blaser, Stefan
A1  - Blüthgen, Nico
A1  - Boch, Steffen
A1  - Böhm, Stefan
A1  - Börschig, Carmen
A1  - Buscot, Francois
A1  - Diekötter, Tim
A1  - Heinze, Johannes
A1  - Hölzel, Norbert
A1  - Jung, Kirsten
A1  - Klaus, Valentin H.
A1  - Kleinebecker, Till
A1  - Klemmer, Sandra
A1  - Krauss, Jochen
A1  - Lange, Markus
A1  - Morris, E. Kathryn
A1  - Müller, Jörg
A1  - Oelmann, Yvonne
A1  - Overmann, Jörg
A1  - Pasalic, Esther
A1  - Rillig, Matthias C.
A1  - Schaefer, H. Martin
A1  - Schloter, Michael
A1  - Schmitt, Barbara
A1  - Schöning, Ingo
A1  - Schrumpf, Marion
A1  - Sikorski, Johannes
A1  - Socher, Stephanie A.
A1  - Solly, Emily F.
A1  - Sonnemann, Ilja
A1  - Sorkau, Elisabeth
A1  - Steckel, Juliane
A1  - Steffan-Dewenter, Ingolf
A1  - Stempfhuber, Barbara
A1  - Tschapka, Marco
A1  - Türke, Manfred
A1  - Venter, Paul C.
A1  - Weiner, Christiane N.
A1  - Weisser, Wolfgang W.
A1  - Werner, Michael
A1  - Westphal, Catrin
A1  - Wilcke, Wolfgang
A1  - Wolters, Volkmar
A1  - Wubet, Tesfaye
A1  - Wurst, Susanne
A1  - Fischer, Markus
A1  - Allan, Eric
T1  - Biodiversity at multiple trophic levels is needed for ecosystem multifunctionality
JF  - Nature : the international weekly journal of science
Y1  - 2016
U6  - https://doi.org/10.1038/nature19092
SN  - 0028-0836
SN  - 1476-4687
VL  - 536
SP  - 456
EP  - +
PB  - Nature Publ. Group
CY  - London
ER  - 
TY  - CHAP
A1  - Curzon, Paul
A1  - Kalas, Ivan
A1  - Schubert, Sigrid
A1  - Schaper, Niclas
A1  - Barnes, Jan
A1  - Kennewell, Steve
A1  - Bröker, Kathrin
A1  - Kastens, Uwe
A1  - Magenheim, Johannes
A1  - Dagiene, Valentina
A1  - Stupuriene, Gabriele
A1  - Ellis, Jason Brent
A1  - Abreu-Ellis, Carla Reis
A1  - Grillenberger, Andreas
A1  - Romeike, Ralf
A1  - Haugsbakken, Halvdan
A1  - Jones, Anthony
A1  - Lewin, Cathy
A1  - McNicol, Sarah
A1  - Nelles, Wolfgang
A1  - Neugebauer, Jonas
A1  - Ohrndorf, Laura
A1  - Schaper, Niclas
A1  - Schubert, Sigrid
A1  - Opel, Simone
A1  - Kramer, Matthias
A1  - Trommen, Michael
A1  - Pottbäcker, Florian
A1  - Ilaghef, Youssef
A1  - Passig, David
A1  - Tzuriel, David
A1  - Kedmi, Ganit Eshel
A1  - Saito, Toshinori
A1  - Webb, Mary
A1  - Weigend, Michael
A1  - Bottino, Rosa
A1  - Chioccariello, Augusto
A1  - Christensen, Rhonda
A1  - Knezek, Gerald
A1  - Gioko, Anthony Maina
A1  - Angondi, Enos Kiforo
A1  - Waga, Rosemary
A1  - Ohrndorf, Laura
A1  - Or-Bach, Rachel
A1  - Preston, Christina
A1  - Younie, Sarah
A1  - Przybylla, Mareen
A1  - Romeike, Ralf
A1  - Reynolds, Nicholas
A1  - Swainston, Andrew
A1  - Bendrups, Faye
A1  - Sysło, Maciej M.
A1  - Kwiatkowska, Anna Beata
A1  - Zieris, Holger
A1  - Gerstberger, Herbert
A1  - Müller, Wolfgang
A1  - Büchner, Steffen
A1  - Opel, Simone
A1  - Schiller, Thomas
A1  - Wegner, Christian
A1  - Zender, Raphael
A1  - Lucke, Ulrike
A1  - Diethelm, Ira
A1  - Syrbe, Jörn
A1  - Lai, Kwok-Wing
A1  - Davis, Niki
A1  - Eickelmann, Birgit
A1  - Erstad, Ola
A1  - Fisser, Petra
A1  - Gibson, David
A1  - Khaddage, Ferial
A1  - Knezek, Gerald
A1  - Micheuz, Peter
A1  - Kloos, Carlos Delgado
ED  - Brinda, Torsten
ED  - Reynolds, Nicholas
ED  - Romeike, Ralf
ED  - Schwill, Andreas
T1  - KEYCIT 2014
BT  - key competencies in informatics and ICT
N2  - In our rapidly changing world it is increasingly important not only to be an expert in a chosen field of study but also to be able to respond to developments, master new approaches to solving problems, and fulfil changing requirements in the modern world and in the job market. In response to these needs key competencies in understanding, developing and using new digital technologies are being brought into focus in school and university programmes. The IFIP TC3 conference "KEYCIT – Key Competences in Informatics and ICT (KEYCIT 2014)" was held at the University of Potsdam in Germany from July 1st to 4th, 2014 and addressed the combination of key competencies, Informatics and ICT in detail. The conference was organized into strands focusing on secondary education, university education and teacher education (organized by IFIP WGs 3.1 and 3.3) and provided a forum to present and to discuss research, case studies, positions, and national perspectives in this field.
T3  - Commentarii informaticae didacticae (CID) - 7 
KW  - Schlüsselkompetenzen
KW  - Informatik
KW  - Bildung
KW  - ICT
KW  - Informatikdidaktik
KW  - Key Competencies
KW  - Informatics
KW  - education
KW  - ICT
KW  - Computer Science Education
Y1  - 2015
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-70325
SN  - 978-3-86956-292-6
PB  - Universitätsverlag Potsdam
CY  - Potsdam
ER  - 
TY  - JOUR
A1  - Kopp, Johannes Florian
A1  - Müller, Sandra Marie
A1  - Pohl, Gabriele
A1  - Lossow, Kristina
A1  - Kipp, Anna Patricia
A1  - Schwerdtle, Tanja
T1  - A quick and simple method for the determination of six trace elements in mammalian serum samples using ICP-MS/MS
JF  - Journal of trace elements in medicine and biology
N2  - In order to assess the individual trace element status of humans for either medical or scientific purposes, amongst others, blood serum levels are determined. Furthermore, animal models are used to study interactions of trace elements. Most published methods require larger amounts (500-1000 mu L) of serum to achieve a reliable determination of multiple trace elements. However, oftentimes, these amounts of serum cannot be dedicated to a single analysis and the amount available for TE-determination is much lower. Therefore, a published ICP-MS/MS method for trace element determination in serum was miniaturized, optimized and validated for the measurement of Mn, Fe, Cu Zn, I and Se in as little as 50 mu L of human and murine serum and is presented in this work. For validation, recoveries of multiple LOTs and levels from commercially available human reference serum samples were determined, infra- and inter-day variations were assessed and limits of detection and quantification determined. It is shown, that the method is capable of giving accurate and reproducible results for all six elements within the relevant concentration ranges for samples from humans living in central Europe as well as from laboratory mice. As a highlight, the achieved limits of detection and quantification for Mn were found to be at 0.02 mu g/L serum and 0.05 mu g/L serum, respectively, while using an alkaline diluent for the parallel determination of iodine.
Y1  - 2019
U6  - https://doi.org/10.1016/j.jtemb.2019.04.015
SN  - 0946-672X
VL  - 54
SP  - 221
EP  - 225
PB  - Elsevier
CY  - München
ER  - 
TY  - JOUR
A1  - Schall, Peter
A1  - Gossner, Martin M.
A1  - Heinrichs, Steffi
A1  - Fischer, Markus
A1  - Boch, Steffen
A1  - Prati, Daniel
A1  - Jung, Kirsten
A1  - Baumgartner, Vanessa
A1  - Blaser, Stefan
A1  - Böhm, Stefan
A1  - Buscot, Francois
A1  - Daniel, Rolf
A1  - Goldmann, Kezia
A1  - Kaiser, Kristin
A1  - Kahl, Tiemo
A1  - Lange, Markus
A1  - Müller, Jörg Hans
A1  - Overmann, Jörg
A1  - Renner, Swen C.
A1  - Schulze, Ernst-Detlef
A1  - Sikorski, Johannes
A1  - Tschapka, Marco
A1  - Türke, Manfred
A1  - Weisser, Wolfgang W.
A1  - Wemheuer, Bernd
A1  - Wubet, Tesfaye
A1  - Ammer, Christian
T1  - The impact of even-aged and uneven-aged forest management on regional biodiversity of multiple taxa in European beech forests
JF  - Journal of applied ecology : an official journal of the British Ecological Society
N2  - 1. For managed temperate forests, conservationists and policymakers favour fine-grained uneven-aged (UEA) management over more traditional coarse-grained even-aged (EA) management, based on the assumption that within-stand habitat heterogeneity enhances biodiversity. There is, however, little empirical evidence to support this assumption. We investigated for the first time how differently grained forest management systems affect the biodiversity of multiple above- and below-ground taxa across spatial scales. 2. We sampled 15 taxa of animals, plants, fungi and bacteria within the largest contiguous beech forest landscape of Germany and classified them into functional groups. Selected forest stands have been managed for more than a century at different spatial grains. The EA (coarse-grained management) and UEA (fine-grained) forests are comparable in spatial arrangement, climate and soil conditions. These were compared to forests of a nearby national park that have been unmanaged for at least 20years. We used diversity accumulation curves to compare -diversity for Hill numbers D-0 (species richness), D-1 (Shannon diversity) and D-2 (Simpson diversity) between the management systems. Beta diversity was quantified as multiple-site dissimilarity. 3. Gamma diversity was higher in EA than in UEA forests for at least one of the three Hill numbers for six taxa (up to 77%), while eight showed no difference. Only bacteria showed the opposite pattern. Higher -diversity in EA forests was also found for forest specialists and saproxylic beetles. 4. Between-stand -diversity was higher in EA than in UEA forests for one-third (all species) and half (forest specialists) of all taxa, driven by environmental heterogeneity between age-classes, while -diversity showed no directional response across taxa or for forest specialists. 5. Synthesis and applications. Comparing EA and uneven-aged forest management in Central European beech forests, our results show that a mosaic of different age-classes is more important for regional biodiversity than high within-stand heterogeneity. We suggest reconsidering the current trend of replacing even-aged management in temperate forests. Instead, the variability of stages and stand structures should be increased to promote landscape-scale biodiversity.
KW  - beta diversity
KW  - forest specialists
KW  - gamma diversity
KW  - heterogeneity
KW  - Hill numbers
KW  - saproxylic beetles
KW  - spatial grain
KW  - species accumulation curve
KW  - species richness
KW  - species turnover
Y1  - 2017
U6  - https://doi.org/10.1111/1365-2664.12950
SN  - 0021-8901
SN  - 1365-2664
VL  - 55
IS  - 1
SP  - 267
EP  - 278
PB  - Wiley
CY  - Hoboken
ER  - 
TY  - JOUR
A1  - Ryll, Britta
A1  - Schmitz, Andreas
A1  - de Boor, Johannes
A1  - Franz, Alexandra
A1  - Whitfield, Pamela S.
A1  - Reehuis, Manfred
A1  - Hoser, Andreas
A1  - Müller, Eckhard
A1  - Habicht, Klaus
A1  - Fritscht, Katharina
T1  - Structure, phase composition, and thermoelectric properties of YbxCo4Sb12 and their dependence on synthesis method
JF  - ACS applied energy materials
N2  - We present a combined microscopic and macroscopic study of YbxCo4Sb12 skutterudites for a range of nominal filling fractions, 0.15 < x < 0.75. The samples were synthesized using two different methods — a melt–quench–annealing route in evacuated quartz ampoules and a non-equilibrium ball-mill route — for which we directly compare the crystal structure and phase composition as well as the thermoelectric properties. Rietveld refinements of high-quality neutron powder diffraction data reveal about a 30–40% smaller Yb occupancy on the crystallographic 2a site than nominally expected for both synthesis routes. We observe a maximum filling fraction of at least 0.439(7) for a sample synthesized by the ball-mill routine, exceeding theoretical predictions of the filling fraction limit of 0.2–0.3. A single secondary phase of CoSb2 is observed in ball-mill-synthesized samples, while two secondary phases, CoSb2 and YbSb2, are detected for samples prepared by the ampoule route. A detrimental influence of the secondary phases on the thermoelectric properties is observed for secondary-phase fractions larger than 8 wt % regardless of the kind of secondary phase. The largest figure of merit of all samples with a ZT ∼ 1.0 at 723 K is observed for the sample with a refined Yb content of x2a = 0.159(3), synthesized by the ampoule route.
KW  - thermoelectric materials
KW  - skutterudite
KW  - melt-quench-anneal
KW  - ball mill
KW  - neutron powder diffraction
KW  - thermoelectric properties
KW  - figure of merit
Y1  - 2017
U6  - https://doi.org/10.1021/acsaem.7b00015
SN  - 2574-0962
VL  - 1
IS  - 1
SP  - 113
EP  - 122
PB  - American Chemical Society
CY  - Washington
ER  - 
TY  - BOOK
A1  - Krämer, Raimund
A1  - Sprengel, Rainer
A1  - Bornträger, Ekkehard W.
A1  - Brenner, Neil
A1  - Drekonja, Gerhard
A1  - Specht, Johannes
A1  - Kron, Stefanie
A1  - Bach, Daniel
A1  - Bort, Eberhard
A1  - Bruns, Bettina
A1  - Miggelbrink, Judith
A1  - Müller, Kristine
A1  - Wust, Andreas
A1  - Zichner, Helga
ED  - Krämer, Raimund
T1  - Grenzen in den internationalen Beziehungen
N2  - Grenzen sind immanenter Bestandteil der internationalen Beziehungen. Deren Kern besteht ja darin, dass Akteure über (nationalstaatliche) Grenzen hinweg handeln. Die Grenze und deren Überschreitung sind somit eine conditio sine qua non von internationalen Beziehungen. Das stellt sich in Europa, Amerika und Afrika sehr verschieden dar und wird auch unterschiedlich diskutiert. Der vorliegende Band bildet dies ab: die theoretische Debatte und die empirische Verschiedenheit in den Regionen, wobei die Europäische Union den regionalen Schwerpunkt bildet. Der vorliegende Band, der auf einen Lehrtext von 2005 aufbaut, enthält neue Texte zu Amerika und zu Europas Ostgrenze.
T3  - WeltTrends Lehrtexte - 14 
Y1  - 2009
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-36808
SN  - 978-3-941880-04-7
PB  - WeltTrends e. V.
CY  - Potsdam
ER  - 
TY  - JOUR
A1  - Aarts, Alexander A.
A1  - Anderson, Joanna E.
A1  - Anderson, Christopher J.
A1  - Attridge, Peter R.
A1  - Attwood, Angela
A1  - Axt, Jordan
A1  - Babel, Molly
A1  - Bahnik, Stepan
A1  - Baranski, Erica
A1  - Barnett-Cowan, Michael
A1  - Bartmess, Elizabeth
A1  - Beer, Jennifer
A1  - Bell, Raoul
A1  - Bentley, Heather
A1  - Beyan, Leah
A1  - Binion, Grace
A1  - Borsboom, Denny
A1  - Bosch, Annick
A1  - Bosco, Frank A.
A1  - Bowman, Sara D.
A1  - Brandt, Mark J.
A1  - Braswell, Erin
A1  - Brohmer, Hilmar
A1  - Brown, Benjamin T.
A1  - Brown, Kristina
A1  - Bruening, Jovita
A1  - Calhoun-Sauls, Ann
A1  - Callahan, Shannon P.
A1  - Chagnon, Elizabeth
A1  - Chandler, Jesse
A1  - Chartier, Christopher R.
A1  - Cheung, Felix
A1  - Christopherson, Cody D.
A1  - Cillessen, Linda
A1  - Clay, Russ
A1  - Cleary, Hayley
A1  - Cloud, Mark D.
A1  - Cohn, Michael
A1  - Cohoon, Johanna
A1  - Columbus, Simon
A1  - Cordes, Andreas
A1  - Costantini, Giulio
A1  - Alvarez, Leslie D. Cramblet
A1  - Cremata, Ed
A1  - Crusius, Jan
A1  - DeCoster, Jamie
A1  - DeGaetano, Michelle A.
A1  - Della Penna, Nicolas
A1  - den Bezemer, Bobby
A1  - Deserno, Marie K.
A1  - Devitt, Olivia
A1  - Dewitte, Laura
A1  - Dobolyi, David G.
A1  - Dodson, Geneva T.
A1  - Donnellan, M. Brent
A1  - Donohue, Ryan
A1  - Dore, Rebecca A.
A1  - Dorrough, Angela
A1  - Dreber, Anna
A1  - Dugas, Michelle
A1  - Dunn, Elizabeth W.
A1  - Easey, Kayleigh
A1  - Eboigbe, Sylvia
A1  - Eggleston, Casey
A1  - Embley, Jo
A1  - Epskamp, Sacha
A1  - Errington, Timothy M.
A1  - Estel, Vivien
A1  - Farach, Frank J.
A1  - Feather, Jenelle
A1  - Fedor, Anna
A1  - Fernandez-Castilla, Belen
A1  - Fiedler, Susann
A1  - Field, James G.
A1  - Fitneva, Stanka A.
A1  - Flagan, Taru
A1  - Forest, Amanda L.
A1  - Forsell, Eskil
A1  - Foster, Joshua D.
A1  - Frank, Michael C.
A1  - Frazier, Rebecca S.
A1  - Fuchs, Heather
A1  - Gable, Philip
A1  - Galak, Jeff
A1  - Galliani, Elisa Maria
A1  - Gampa, Anup
A1  - Garcia, Sara
A1  - Gazarian, Douglas
A1  - Gilbert, Elizabeth
A1  - Giner-Sorolla, Roger
A1  - Glöckner, Andreas
A1  - Göllner, Lars
A1  - Goh, Jin X.
A1  - Goldberg, Rebecca
A1  - Goodbourn, Patrick T.
A1  - Gordon-McKeon, Shauna
A1  - Gorges, Bryan
A1  - Gorges, Jessie
A1  - Goss, Justin
A1  - Graham, Jesse
A1  - Grange, James A.
A1  - Gray, Jeremy
A1  - Hartgerink, Chris
A1  - Hartshorne, Joshua
A1  - Hasselman, Fred
A1  - Hayes, Timothy
A1  - Heikensten, Emma
A1  - Henninger, Felix
A1  - Hodsoll, John
A1  - Holubar, Taylor
A1  - Hoogendoorn, Gea
A1  - Humphries, Denise J.
A1  - Hung, Cathy O. -Y.
A1  - Immelman, Nathali
A1  - Irsik, Vanessa C.
A1  - Jahn, Georg
A1  - Jaekel, Frank
A1  - Jekel, Marc
A1  - Johannesson, Magnus
A1  - Johnson, Larissa G.
A1  - Johnson, David J.
A1  - Johnson, Kate M.
A1  - Johnston, William J.
A1  - Jonas, Kai
A1  - Joy-Gaba, Jennifer A.
A1  - Kappes, Heather Barry
A1  - Kelso, Kim
A1  - Kidwell, Mallory C.
A1  - Kim, Seung Kyung
A1  - Kirkhart, Matthew
A1  - Kleinberg, Bennett
A1  - Knezevic, Goran
A1  - Kolorz, Franziska Maria
A1  - Kossakowski, Jolanda J.
A1  - Krause, Robert Wilhelm
A1  - Krijnen, Job
A1  - Kuhlmann, Tim
A1  - Kunkels, Yoram K.
A1  - Kyc, Megan M.
A1  - Lai, Calvin K.
A1  - Laique, Aamir
A1  - Lakens, Daniel
A1  - Lane, Kristin A.
A1  - Lassetter, Bethany
A1  - Lazarevic, Ljiljana B.
A1  - LeBel, Etienne P.
A1  - Lee, Key Jung
A1  - Lee, Minha
A1  - Lemm, Kristi
A1  - Levitan, Carmel A.
A1  - Lewis, Melissa
A1  - Lin, Lin
A1  - Lin, Stephanie
A1  - Lippold, Matthias
A1  - Loureiro, Darren
A1  - Luteijn, Ilse
A1  - Mackinnon, Sean
A1  - Mainard, Heather N.
A1  - Marigold, Denise C.
A1  - Martin, Daniel P.
A1  - Martinez, Tylar
A1  - Masicampo, E. J.
A1  - Matacotta, Josh
A1  - Mathur, Maya
A1  - May, Michael
A1  - Mechin, Nicole
A1  - Mehta, Pranjal
A1  - Meixner, Johannes
A1  - Melinger, Alissa
A1  - Miller, Jeremy K.
A1  - Miller, Mallorie
A1  - Moore, Katherine
A1  - Möschl, Marcus
A1  - Motyl, Matt
A1  - Müller, Stephanie M.
A1  - Munafo, Marcus
A1  - Neijenhuijs, Koen I.
A1  - Nervi, Taylor
A1  - Nicolas, Gandalf
A1  - Nilsonne, Gustav
A1  - Nosek, Brian A.
A1  - Nuijten, Michele B.
A1  - Olsson, Catherine
A1  - Osborne, Colleen
A1  - Ostkamp, Lutz
A1  - Pavel, Misha
A1  - Penton-Voak, Ian S.
A1  - Perna, Olivia
A1  - Pernet, Cyril
A1  - Perugini, Marco
A1  - Pipitone, R. Nathan
A1  - Pitts, Michael
A1  - Plessow, Franziska
A1  - Prenoveau, Jason M.
A1  - Rahal, Rima-Maria
A1  - Ratliff, Kate A.
A1  - Reinhard, David
A1  - Renkewitz, Frank
A1  - Ricker, Ashley A.
A1  - Rigney, Anastasia
A1  - Rivers, Andrew M.
A1  - Roebke, Mark
A1  - Rutchick, Abraham M.
A1  - Ryan, Robert S.
A1  - Sahin, Onur
A1  - Saide, Anondah
A1  - Sandstrom, Gillian M.
A1  - Santos, David
A1  - Saxe, Rebecca
A1  - Schlegelmilch, Rene
A1  - Schmidt, Kathleen
A1  - Scholz, Sabine
A1  - Seibel, Larissa
A1  - Selterman, Dylan Faulkner
A1  - Shaki, Samuel
A1  - Simpson, William B.
A1  - Sinclair, H. Colleen
A1  - Skorinko, Jeanine L. M.
A1  - Slowik, Agnieszka
A1  - Snyder, Joel S.
A1  - Soderberg, Courtney
A1  - Sonnleitner, Carina
A1  - Spencer, Nick
A1  - Spies, Jeffrey R.
A1  - Steegen, Sara
A1  - Stieger, Stefan
A1  - Strohminger, Nina
A1  - Sullivan, Gavin B.
A1  - Talhelm, Thomas
A1  - Tapia, Megan
A1  - te Dorsthorst, Anniek
A1  - Thomae, Manuela
A1  - Thomas, Sarah L.
A1  - Tio, Pia
A1  - Traets, Frits
A1  - Tsang, Steve
A1  - Tuerlinckx, Francis
A1  - Turchan, Paul
A1  - Valasek, Milan
A1  - Van Aert, Robbie
A1  - van Assen, Marcel
A1  - van Bork, Riet
A1  - van de Ven, Mathijs
A1  - van den Bergh, Don
A1  - van der Hulst, Marije
A1  - van Dooren, Roel
A1  - van Doorn, Johnny
A1  - van Renswoude, Daan R.
A1  - van Rijn, Hedderik
A1  - Vanpaemel, Wolf
A1  - Echeverria, Alejandro Vasquez
A1  - Vazquez, Melissa
A1  - Velez, Natalia
A1  - Vermue, Marieke
A1  - Verschoor, Mark
A1  - Vianello, Michelangelo
A1  - Voracek, Martin
A1  - Vuu, Gina
A1  - Wagenmakers, Eric-Jan
A1  - Weerdmeester, Joanneke
A1  - Welsh, Ashlee
A1  - Westgate, Erin C.
A1  - Wissink, Joeri
A1  - Wood, Michael
A1  - Woods, Andy
A1  - Wright, Emily
A1  - Wu, Sining
A1  - Zeelenberg, Marcel
A1  - Zuni, Kellylynn
T1  - Estimating the reproducibility of psychological science
JF  - Science
N2  - Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psychology journals using high-powered designs and original materials when available. Replication effects were half the magnitude of original effects, representing a substantial decline. Ninety-seven percent of original studies had statistically significant results. Thirty-six percent of replications had statistically significant results; 47% of original effect sizes were in the 95% confidence interval of the replication effect size; 39% of effects were subjectively rated to have replicated the original result; and if no bias in original results is assumed, combining original and replication results left 68% with statistically significant effects. Correlational tests suggest that replication success was better predicted by the strength of original evidence than by characteristics of the original and replication teams.
Y1  - 2015
U6  - https://doi.org/10.1126/science.aac4716
SN  - 1095-9203
SN  - 0036-8075
VL  - 349
IS  - 6251
PB  - American Assoc. for the Advancement of Science
CY  - Washington
ER  - 
TY  - JOUR
A1  - Müller, Jörg
A1  - Heinze, Johannes
A1  - Joshi, Jasmin Radha
A1  - Boch, Steffen
A1  - Klaus, Valentin H.
A1  - Fischer, Markus
A1  - Prati, Daniel
T1  - Influence of experimental soil disturbances on the diversity of plants in agricultural grasslands
JF  - Journal of plant ecology
N2  - Disturbance is supposed to play an important role for biodiversity and ecosystem stability as described by the intermediate disturbance hypothesis (IDH), which predicts highest species richness at intermediate levels of disturbances. In this study, we tested the effects of artificial soil disturbances on diversity of annual and perennial vascular plants and bryophytes in a field experiment in 86 agricultural grasslands differing in land use in two regions of Germany. On each grassland, we implemented four treatments: three treatments differing in application time of soil disturbances and one control. One year after experimental disturbance, we recorded vegetation and measured biomass productivity and bare ground. We analysed the disturbance response taking effects of region and land-use-accompanied disturbance regimes into account.
 Region and land-use type strongly determined plant species richness. Experimental disturbances had small positive effects on the species richness of annuals, but none on perennials or bryophytes. Bare ground was positively related to species richness of bryophytes. However, exceeding the creation of 12% bare ground further disturbance had a detrimental effect on bryophyte species richness, which corresponds to the IDH. As biomass productivity was unaffected by disturbance our results indicate that the disturbance effect on species richness of annuals was not due to decreased overall productivity, but rather due to short-term lowered inter- and intraspecific competition at the newly created microsites.
 Generally, our results highlight the importance of soil disturbances for species richness of annual plants and bryophytes in agricultural grasslands. However, most grasslands were disturbed naturally or by land-use practices and our additional experimental soil disturbances only had a small short-term effect. Overall, total plant diversity in grasslands seemed to be more limited by the availability of propagules rather than by suitable microsites for germination. Thus, nature conservation efforts to increase grassland diversity should focus on overcoming propagule limitation, for instance by additional sowing of seeds, while the creation of additional open patches by disturbance might only be appropriate where natural disturbances are scarce.
KW  - annuals
KW  - bryophytes
KW  - colonization
KW  - intermediate disturbance hypothesis
KW  - microsites
Y1  - 2014
U6  - https://doi.org/10.1093/jpe/rtt062
SN  - 1752-9921
SN  - 1752-993X
VL  - 7
IS  - 6
SP  - 509
EP  - 517
PB  - Oxford Univ. Press
CY  - Oxford
ER  - 
TY  - JOUR
A1  - Seuffert, Marcel T.
A1  - Wintzheimer, Susanne
A1  - Oppmann, Maximilian
A1  - Granath, Tim
A1  - Prieschl, Johannes
A1  - Alrefai, Anas
A1  - Holdt, Hans-Jürgen
A1  - Müller-Buschbaum, Klaus
A1  - Mandel, Karl
T1  - An all white magnet by combination of electronic properties of a white light emitting MOF with strong magnetic particle systems
JF  - Journal of materials chemistry : C, Materials for optical and electronic devices
N2  - A multi-component particle system was developed that combines the properties of white color, white light emission and strong magnetism on the macroscopic and microscopic scale. The system is constituted by combination of an inorganic white core with either hard or soft magnetic properties and a white light emitting MOF. The key towards this achievement is the supraparticulate character constituted by a magnetic core, of either magnetite or alpha-Fe, surrounded by titania and silica nanoparticles of a certain size in a loose structural shell-arrangement as white components and finally the white light emitting metal-organic framework (MOF) EuTb@IFP-1 as building blocks of a core-shell structure. The supraparticles are created by forced assembly of the inorganic compounds and by combining spray-drying and postsynthetic modification by solvothermal chemistry. Thereby, the gap is bridged that homogenous compounds are either strongly magnetic, white in appearance or white light emitting. The composites presented herein inherit these properties intrinsically as electronic properties. The white characteristics are based on all optical properties that enable white: light reflection, refraction, and light emission. This work shifts the paradigm that strong magnetic materials are always expected to be intrinsically dark.
Y1  - 2020
U6  - https://doi.org/10.1039/d0tc03473h
SN  - 2050-7526
SN  - 2050-7534
VL  - 8
IS  - 45
SP  - 16010
EP  - 16017
PB  - Royal Society of Chemistry
CY  - Cambridge
ER  - 
TY  - JOUR
A1  - Xie, Dongjiu
A1  - Xu, Yaolin
A1  - Wang, Yonglei
A1  - Pan, Xuefeng
A1  - Härk, Eneli
A1  - Kochovski, Zdravko
A1  - Eljarrat, Alberto
A1  - Müller, Johannes
A1  - Koch, Christoph T.
A1  - Yuan, Jiayin
A1  - Lu, Yan
T1  - Poly(ionic liquid) nanovesicle-templated carbon nanocapsules functionalized with uniform iron nitride nanoparticles as catalytic sulfur host for Li-S batteries
JF  - ACS nano
N2  - Poly(ionic liquid)s (PIL) are common precursors for heteroatom-doped carbon materials. Despite a relatively higher carbonization yield, the PIL-to-carbon conversion process faces challenges in preserving morphological and structural motifs on the nanoscale. Assisted by a thin polydopamine coating route and ion exchange, imidazoliumbased PIL nanovesicles were successfully applied in morphology-maintaining carbonization to prepare carbon composite nanocapsules. Extending this strategy further to their composites, we demonstrate the synthesis of carbon composite nanocapsules functionalized with iron nitride nanoparticles of an ultrafine, uniform size of 3-5 nm (termed "FexN@C "). Due to its unique nanostructure, the sulfur-loaded FexN@C electrode was tested to efficiently mitigate the notorious shuttle effect of lithium polysulfides (LiPSs) in Li-S batteries. The cavity of the carbon nanocapsules was spotted to better the loading content of sulfur. The well-dispersed iron nitride nanoparticles effectively catalyze the conversion of LiPSs to Li2S, owing to their high electronic conductivity and strong binding power to LiPSs. Benefiting from this well-crafted composite nanostructure, the constructed FexN@C/S cathode demonstrated a fairly high discharge capacity of 1085 mAh g(-1) at 0.5 C initially, and a remaining value of 930 mAh g(-1 )after 200 cycles. In addition, it exhibits an excellent rate capability with a high initial discharge capacity of 889.8 mAh g(-1) at 2 C. This facile PIL-to-nanocarbon synthetic approach is applicable for the exquisite design of complex hybrid carbon nanostructures with potential use in electrochemical energy storage and conversion.
KW  - poly(ionic liquid)s
KW  - nanovesicles
KW  - sulfur host
KW  - iron nitride
KW  - Li-S
KW  - batteries
Y1  - 2022
U6  - https://doi.org/10.1021/acsnano.2c01992
SN  - 1936-0851
SN  - 1936-086X
VL  - 16
IS  - 7
SP  - 10554
EP  - 10565
PB  - American Chemical Society
CY  - Washington
ER  -