TY  - CHAP
A1  - Borowski, Andreas
A1  - Glowinski, Ingrid
A1  - Frister, Jonas
A1  - Höttecke, Dietmar
A1  - Buth, Katrin
A1  - Koenen, Jenna
A1  - Masanek, Nicole
A1  - Reichwein, Wilko
A1  - Scholten, Nina
A1  - Sprenger, Sandra
A1  - Stender, Peter
A1  - Wöhlke, Carina
A1  - Komorek, Michael
A1  - Freckmann, Janine
A1  - Hofmann, Josefine
A1  - Niesel, Verena
A1  - Richter, Chris
A1  - Mehlmann, Nelli
A1  - Bikner-Ahsbahs, Angelika
A1  - Unverricht, Katja
A1  - Schanze, Sascha
A1  - Bittorf, Robert Marten
A1  - Meier, Monique
A1  - Grospietsch, Finja
A1  - Mayer, Jürgen
A1  - Gimbel, Katharina
A1  - Ziepprecht, Kathrin
A1  - Hofmann, Judith
A1  - Kramer, Charlotte
A1  - Müller, Britta-Kornelia
A1  - Rohde, Andreas
A1  - Zühlsdorf, Felix
A1  - Winkler, Iris
A1  - Laging, Ralf
A1  - Peter, Carina
A1  - Schween, Michael
A1  - Härle, Gerhard
A1  - Busse, Beatrix
A1  - Mahner, Sebastian
A1  - Köstler, Verena
A1  - Kufner, Sabrina
A1  - Mägdefrau, Jutta
A1  - Müller, Christian
A1  - Beck, Christina
A1  - Kriehuber, Eva
A1  - Boch, Florian
A1  - Engl, Anna-Teresa
A1  - Helzel, Andreas
A1  - Pickert, Tina
A1  - Reiter, Christian
A1  - Blasini, Bettina
A1  - Nerdel, Claudia
A1  - Lewalter, Doris
A1  - Schiffhauer, Silke
A1  - Richter-Gebert, Jürgen
A1  - Bannert, Maria
A1  - Maahs, Mirjam
A1  - Reißner, Maria
A1  - Ungar, Patrizia
A1  - von Wachter, Jana-Kristin
A1  - Hellmann, Katharina
A1  - Zaki, Katja
A1  - Pohlenz, Philipp
ED  - Glowinski, Ingrid
ED  - Borowski, Andreas
ED  - Gillen, Julia
ED  - Schanze, Sascha
ED  - von Meien, Joachim
T1  - Kohärenz in der universitären Lehrerbildung
T1  - Coherence in teacher education at university
BT  - Vernetzung von Fachwissenschaft, Fachdidaktik und Bildungswissenschaften
BT  - linking studies in content knowledge, pedagogical content knowledge and pedagogical knowledge in teacher education
N2  - One area that is supported by the project “Qualitätsoffensive Lehrerbildung” (funded by BMBF) is the improvement of collaboration and coordination between studies in the discipline, studies in pedagogical content knowledge, and studies in pedagogical knowledge during teacher education at university. Aiming a better coordination among these three parts of teacher education at university, many of the supported projects have designed and realized university-specific approaches. 
 
This conference proceedings volume comprises contributions by 15 of these projects. Seven of those were introduced and discussed in workshops on the occasion of two cross-regional project-conferences in Hannover and Potsdam. Overall, the contributions give a theoretically funded as well as a practice-oriented overview of current approaches and concepts to achieve a better connection between study units concerning studies in content knowledge, pedagogical content knowledge and pedagogical knowledge in teacher education. The volume presents university projects, which take effect on different levels (at the level of curriculum and content, at a collegiate level, at the level of structural conditions of universities). The different approaches are described in a way that they can provide a basis for transfer to other subjects or further universities.  

The contributions are aimed at teacher educators as well as other actors working in the field of teaching- and quality development at universities. All of them can take transferable ideas and impulses from the described concepts and formats.
N2  - Eine verbesserte Zusammenarbeit und Abstimmung von Fachwissenschaft, Fachdidaktik, Bildungswissenschaften und schulpraktischen Lernorten ist einer der Förderbereiche der „Qualitätsoffensive Lehrerbildung“. Zahlreiche der geförderten Projekte haben für dieses Handlungsfeld im Bereich Vernetzung von Fachwissenschaft, Fachdidaktik und Bildungswissenschaften hochschulspezifische Maßnahmen konzipiert und umgesetzt.

Der vorliegende Tagungsband beinhaltet Beiträge von 15 entsprechenden Projekten, von denen sieben anlässlich von zwei standortübergreifenden Projekt-Tagungen in Hannover und Potsdam vorgestellt und in Workshops diskutiert wurden. Insgesamt geben die Beiträge einen theoretisch fundierten und gleichzeitig praxisorientierten Überblick über aktuelle Ansätze und Konzepte zur besseren Vernetzung fachwissenschaftlicher, fachdidaktischer und bildungswissenschaftlicher Studienanteile im Lehramtsstudium. Dargestellt werden Projektarbeiten der Hochschulen, die auf verschiedenen Ebenen wirksam werden (curricular-inhaltliche Ebene, kollegiale Ebene, hochschul-strukturelle Ebene). Die Maßnahmen sind so beschrieben, dass sie als Grundlage für einen Transfer auf andere Fächer bzw. andere Standorte genutzt werden können.

Die Beiträge richten sich an alle Lehrenden im Bereich der Lehramtsbildung sowie sonstige Akteure im Bereich der Lehr- und Qualitätsentwicklung an den Universitäten. Sie alle können den beschriebenen Konzepten und Umsetzungsformaten transferierbare Ideen und Impulse entnehmen.
KW  - Professionswissen
KW  - universitäre Lehrerbildung
KW  - Vernetzung Fachwissenschaft
KW  - Fachdidaktik
KW  - Bildungswissenschaft
KW  - Lehramtsstudium
KW  - teacher education
KW  - professional knowledge
KW  - content knowledge
KW  - pedagogical content knowledge
Y1  - 2018
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-414267
SN  - 978-3-86956-438-8
PB  - Universitätsverlag Potsdam
CY  - Potsdam
ER  - 
TY  - JOUR
A1  - Warrington, Nicole
A1  - Beaumont, Robin
A1  - Horikoshi, Momoko
A1  - Day, Felix R.
A1  - Helgeland, Øyvind
A1  - Laurin, Charles
A1  - Bacelis, Jonas
A1  - Peng, Shouneng
A1  - Hao, Ke
A1  - Feenstra, Bjarke
A1  - Wood, Andrew R.
A1  - Mahajan, Anubha
A1  - Tyrrell, Jessica
A1  - Robertson, Neil R.
A1  - Rayner, N. William
A1  - Qiao, Zhen
A1  - Moen, Gunn-Helen
A1  - Vaudel, Marc
A1  - Marsit, Carmen
A1  - Chen, Jia
A1  - Nodzenski, Michael
A1  - Schnurr, Theresia M.
A1  - Zafarmand, Mohammad Hadi
A1  - Bradfield, Jonathan P.
A1  - Grarup, Niels
A1  - Kooijman, Marjolein N.
A1  - Li-Gao, Ruifang
A1  - Geller, Frank
A1  - Ahluwalia, Tarunveer Singh
A1  - Paternoster, Lavinia
A1  - Rueedi, Rico
A1  - Huikari, Ville
A1  - Hottenga, Jouke-Jan
A1  - Lyytikäinen, Leo-Pekka
A1  - Cavadino, Alana
A1  - Metrustry, Sarah
A1  - Cousminer, Diana L.
A1  - Wu, Ying
A1  - Thiering, Elisabeth Paula
A1  - Wang, Carol A.
A1  - Have, Christian Theil
A1  - Vilor-Tejedor, Natalia
A1  - Joshi, Peter K.
A1  - Painter, Jodie N.
A1  - Ntalla, Ioanna
A1  - Myhre, Ronny
A1  - Pitkänen, Niina
A1  - van Leeuwen, Elisabeth M.
A1  - Joro, Raimo
A1  - Lagou, Vasiliki
A1  - Richmond, Rebecca C.
A1  - Espinosa, Ana
A1  - Barton, Sheila J.
A1  - Inskip, Hazel M.
A1  - Holloway, John W.
A1  - Santa-Marina, Loreto
A1  - Estivill, Xavier
A1  - Ang, Wei
A1  - Marsh, Julie A.
A1  - Reichetzeder, Christoph
A1  - Marullo, Letizia
A1  - Hocher, Berthold
A1  - Lunetta, Kathryn L.
A1  - Murabito, Joanne M.
A1  - Relton, Caroline L.
A1  - Kogevinas, Manolis
A1  - Chatzi, Leda
A1  - Allard, Catherine
A1  - Bouchard, Luigi
A1  - Hivert, Marie-France
A1  - Zhang, Ge
A1  - Muglia, Louis J.
A1  - Heikkinen, Jani
A1  - Morgen, Camilla S.
A1  - van Kampen, Antoine H. C.
A1  - van Schaik, Barbera D. C.
A1  - Mentch, Frank D.
A1  - Langenberg, Claudia
A1  - Scott, Robert A.
A1  - Zhao, Jing Hua
A1  - Hemani, Gibran
A1  - Ring, Susan M.
A1  - Bennett, Amanda J.
A1  - Gaulton, Kyle J.
A1  - Fernandez-Tajes, Juan
A1  - van Zuydam, Natalie R.
A1  - Medina-Gomez, Carolina
A1  - de Haan, Hugoline G.
A1  - Rosendaal, Frits R.
A1  - Kutalik, Zoltán
A1  - Marques-Vidal, Pedro
A1  - Das, Shikta
A1  - Willemsen, Gonneke
A1  - Mbarek, Hamdi
A1  - Müller-Nurasyid, Martina
A1  - Standl, Marie
A1  - Appel, Emil V. R.
A1  - Fonvig, Cilius Esmann
A1  - Trier, Caecilie
A1  - van Beijsterveldt, Catharina E. M.
A1  - Murcia, Mario
A1  - Bustamante, Mariona
A1  - Bonàs-Guarch, Sílvia
A1  - Hougaard, David M.
A1  - Mercader, Josep M.
A1  - Linneberg, Allan
A1  - Schraut, Katharina E.
A1  - Lind, Penelope A.
A1  - Medland, Sarah Elizabeth
A1  - Shields, Beverley M.
A1  - Knight, Bridget A.
A1  - Chai, Jin-Fang
A1  - Panoutsopoulou, Kalliope
A1  - Bartels, Meike
A1  - Sánchez, Friman
A1  - Stokholm, Jakob
A1  - Torrents, David
A1  - Vinding, Rebecca K.
A1  - Willems, Sara M.
A1  - Atalay, Mustafa
A1  - Chawes, Bo L.
A1  - Kovacs, Peter
A1  - Prokopenko, Inga
A1  - Tuke, Marcus A.
A1  - Yaghootkar, Hanieh
A1  - Ruth, Katherine S.
A1  - Jones, Samuel E.
A1  - Loh, Po-Ru
A1  - Murray, Anna
A1  - Weedon, Michael N.
A1  - Tönjes, Anke
A1  - Stumvoll, Michael
A1  - Michaelsen, Kim Fleischer
A1  - Eloranta, Aino-Maija
A1  - Lakka, Timo A.
A1  - van Duijn, Cornelia M.
A1  - Kiess, Wieland
A1  - Koerner, Antje
A1  - Niinikoski, Harri
A1  - Pahkala, Katja
A1  - Raitakari, Olli T.
A1  - Jacobsson, Bo
A1  - Zeggini, Eleftheria
A1  - Dedoussis, George V.
A1  - Teo, Yik-Ying
A1  - Saw, Seang-Mei
A1  - Montgomery, Grant W.
A1  - Campbell, Harry
A1  - Wilson, James F.
A1  - Vrijkotte, Tanja G. M.
A1  - Vrijheid, Martine
A1  - de Geus, Eco J. C. N.
A1  - Hayes, M. Geoffrey
A1  - Kadarmideen, Haja N.
A1  - Holm, Jens-Christian
A1  - Beilin, Lawrence J.
A1  - Pennell, Craig E.
A1  - Heinrich, Joachim
A1  - Adair, Linda S.
A1  - Borja, Judith B.
A1  - Mohlke, Karen L.
A1  - Eriksson, Johan G.
A1  - Widen, Elisabeth E.
A1  - Hattersley, Andrew T.
A1  - Spector, Tim D.
A1  - Kaehoenen, Mika
A1  - Viikari, Jorma S.
A1  - Lehtimaeki, Terho
A1  - Boomsma, Dorret I.
A1  - Sebert, Sylvain
A1  - Vollenweider, Peter
A1  - Sorensen, Thorkild I. A.
A1  - Bisgaard, Hans
A1  - Bonnelykke, Klaus
A1  - Murray, Jeffrey C.
A1  - Melbye, Mads
A1  - Nohr, Ellen A.
A1  - Mook-Kanamori, Dennis O.
A1  - Rivadeneira, Fernando
A1  - Hofman, Albert
A1  - Felix, Janine F.
A1  - Jaddoe, Vincent W. V.
A1  - Hansen, Torben
A1  - Pisinger, Charlotta
A1  - Vaag, Allan A.
A1  - Pedersen, Oluf
A1  - Uitterlinden, Andre G.
A1  - Jarvelin, Marjo-Riitta
A1  - Power, Christine
A1  - Hypponen, Elina
A1  - Scholtens, Denise M.
A1  - Lowe, William L.
A1  - Smith, George Davey
A1  - Timpson, Nicholas J.
A1  - Morris, Andrew P.
A1  - Wareham, Nicholas J.
A1  - Hakonarson, Hakon
A1  - Grant, Struan F. A.
A1  - Frayling, Timothy M.
A1  - Lawlor, Debbie A.
A1  - Njolstad, Pal R.
A1  - Johansson, Stefan
A1  - Ong, Ken K.
A1  - McCarthy, Mark I.
A1  - Perry, John R. B.
A1  - Evans, David M.
A1  - Freathy, Rachel M.
T1  - Maternal and fetal genetic effects on birth weight and their relevance to cardio-metabolic risk factors
JF  - Nature genetics
N2  - Birth weight variation is influenced by fetal and maternal genetic and non-genetic factors, and has been reproducibly associated with future cardio-metabolic health outcomes. In expanded genome-wide association analyses of own birth weight (n = 321,223) and offspring birth weight (n = 230,069 mothers), we identified 190 independent association signals (129 of which are novel). We used structural equation modeling to decompose the contributions of direct fetal and indirect maternal genetic effects, then applied Mendelian randomization to illuminate causal pathways. For example, both indirect maternal and direct fetal genetic effects drive the observational relationship between lower birth weight and higher later blood pressure: maternal blood pressure-raising alleles reduce offspring birth weight, but only direct fetal effects of these alleles, once inherited, increase later offspring blood pressure. Using maternal birth weight-lowering genotypes to proxy for an adverse intrauterine environment provided no evidence that it causally raises offspring blood pressure, indicating that the inverse birth weight-blood pressure association is attributable to genetic effects, and not to intrauterine programming.
Y1  - 2019
SN  - 1061-4036
SN  - 1546-1718
VL  - 51
IS  - 5
SP  - 804
EP  - +
PB  - Nature Publ. Group
CY  - New York
ER  - 
TY  - JOUR
A1  - Askin, Elif
A1  - Emmerich-Fritsche, Angelika
A1  - Goppel, Anna
A1  - Hemmerling, Mario
A1  - Kapaun, Nina
A1  - Lohmann, Georg
A1  - Müller, Sebastian
A1  - Niederberger, Andreas
A1  - Pabel, Katharina
A1  - Putzer, Max
A1  - Roth-Isigkeit, David
A1  - Seidler, Christoph
A1  - Tiedemann, Paul
A1  - Vasel, J. Justus
A1  - Weiß, Norman
T1  - MenschenRechtsMagazin : Informationen | Meinungen | Analysen
N2  - Aus dem Inhalt: - Themenschwerpunkt: Menschenrechte und Staatsbürgerschaft - Gibt es Menschenrechte ohne Bürgerschaft? - Menschenwürde und Staatsbürgerschaft - Die General Comments des Menschenrechtsausschusses der Vereinten Nationen – ein Beitrag zur Rechtsentwicklung im Völkerrecht - Politische Selbstbestimmung als Menschenrecht und im Völkerrecht - Libyen und der von außen unterstützte Systemwechsel
T3  - MenschenRechtsMagazin : MRM ; Informationen, Meinungen, Analysen - 17.2012/2 
Y1  - 2012
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-62122
SN  - 1434-2820
VL  - 17
IS  - 2
PB  - Universitätsverlag Potsdam
CY  - Potsdam
ER  - 
TY  - JOUR
A1  - Wiggering, Hubert
A1  - Dalchow, Claus
A1  - Glemnitz, Michael
A1  - Helming, Katharina
A1  - Müller, Klaus
A1  - Schultz, Alfred
A1  - Stachow, Ulrich
A1  - Zander, Peter
T1  - Indicators for multifunctional land use : linking socio-economic requirements with landscape potentials
N2  - Indicators to assess sustainable land development often focus on either economic or ecologic aspects of landscape use. The concept of multifunctional land use helps merging those two focuses by emphasising on the rule that economic action is per se accompanied by ecological utility: commodity outputs (CO, e.g., yields) are paid for on the market, but non-commodity outputs (NCO, e.g., landscape aesthetics) so far are public goods with no markets. Agricultural production schemes often provided both outputs by joint production, but with technical progress under prevailing economic pressure, joint production increasingly vanishes by decoupling of commodity from non-commodity production. Simultaneously, by public and political awareness of these shortcomings, there appears a societal need or even demand for some non-commodity outputs of land use, which induces a market potential, and thus, shift towards the status of a commodity outputs. An approach is presented to merge both types of output by defining an indicator of social utility (SUMLU): production schemes are considered with respect to social utility of both commodity and non-commodity outputs. Social utility in this sense includes environmental and economic services as long as society expresses a demand for them. For each combination of parameters at specific frame conditions (e.g., soil and climate properties of a landscape) a production possibility curve can reflect trade-offs between commodity and non-commodity outputs. On each production possibility curve a welfare optimum can be identified expressing the highest achievable value of social utility as a trade-off between CO and NCO production. When applying more parameters, a cluster of welfare optimums is generated. Those clusters can be used for assessing production schemes with respect to sustainable land development. Examples of production possibility functions are given on easy applicable parameters (nitrogen leaching versus gross margin) and on more complex ones (biotic integrity). Social utility, thus allows to evaluate sustainability of land development in a cross-sectoral approach with respect to multifunctionality. (C) 2005 Elsevier Ltd. All rights reserved
Y1  - 2006
UR  - 1960 = DOI 10.1016/j.ecolind.2005.08.014
ER  - 
TY  - JOUR
A1  - Thulin, Mirjam
A1  - Krah, Markus
A1  - Gausemeier, Bernd
A1  - Mecklenburg, Frank
A1  - Oehme, Annegret
A1  - Tamás, Máté
A1  - Gerlach, Lisa
A1  - Gräbe, Viktoria
A1  - Wermke, Michael
A1  - Oleshkevich, Ekaterina
A1  - Arnold, Rafael D.
A1  - Wendehorst, Stephan
A1  - Talabardon, Susanne
A1  - Mays, Devi
A1  - Müller, Judith
A1  - Herskovitz, Yaakov
A1  - Garloff, Katja
A1  - Kellenbach, Katharina von
A1  - Held, Marcus
A1  - Grözinger, Karl Erich
ED  - Thulin, Mirjam
ED  - Krah, Markus
ED  - Pick, Bianca
T1  - PaRDeS : Journal of the Association for Jewish Studies in Germany = Jewish Families and Kinship in the Early Modern and Modern Eras
T2  - PaRDeS : Zeitschrift der Vereinigung für Jüdische Studien
T2  - PaRDeS : Journal of the Association for Jewish Studies in Germany
N2  - The Jewish family has been the subject of much admiration and analysis, criticism and myth-making, not just but especially in modern times. As a field of inquiry, its place is at the intersection – or in the shadow – of the great topics in Jewish Studies and its contributing disciplines. Among them are the modernization and privatization of Judaism and Jewish life; integration and distinctiveness of Jews as individuals and as a group; gender roles and education. These and related questions have been the focus of modern Jewish family research, which took shape as a discipline in the 1910s.

This issue of PaRDeS traces the origins of academic Jewish family research and takes stock of its development over a century, with its ruptures that have added to the importance of familial roots and continuities. A special section retrieves the founder of the field, Arthur Czellitzer (1871–1943), his biography and work from oblivion and places him in the context of early 20th-century science and Jewish life.

The articles on current questions of Jewish family history reflect the topic’s potential for shedding new light on key questions in Jewish Studies past and present. Their thematic range – from 13th-century Yiddish Arthurian romances via family-based business practices in 19th-century Hungary and Germany, to concepts of Jewish parenthood in Imperial Russia – illustrates the broad interest in Jewish family research as a paradigm for early modern and modern Jewish Studies.
T3  - PaRDeS : Zeitschrift der Vereinigung für Jüdische Studien e.V. - 26 
KW  - Modern Jewish history
KW  - family history
KW  - early modern history
KW  - Jewish Studies
KW  - genealogy
KW  - Moderne Jüdische Geschichte
KW  - Familiengeschichte
KW  - Frühe Neuzeit
KW  - Jüdische Studien
KW  - Genealogie
Y1  - 2020
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-473654
SN  - 978-3-86956-493-7
SN  - 1614-6492
SN  - 1862-7684
IS  - 26
PB  - Universitätsverlag Potsdam
CY  - Potsdam
ER  - 
TY  - JOUR
A1  - Wiese, Heike
A1  - Mayr, Katharina
A1  - Krämer, Philipp
A1  - Seeger, Patrick
A1  - Müller, Hans-Georg
A1  - Mezger, Verena
T1  - Changing teachers' attitudes towards linguistic diversity
BT  - effects of an anti-bias programme
JF  - International Journal of Applied Linguistics
N2  - We discuss an intervention programme for kindergarten and school teachers' continuing education in Germany that targets biases against language outside a perceived monolingual ‘standard’ and its speakers. The programme combines anti-bias methods relating to linguistic diversity with objectives of raising critical language awareness. Evaluation through teachers' workshops in Berlin and Brandenburg points to positive and enduring attitudinal changes in participants, but not in control groups that did not attend workshops, and effects were independent of personal variables gender and teaching subject and only weakly associated with age. We relate these effects to such programme features as indirect and inclusive methods that foster active engagement, and the combination of ‘safer’ topics targeting attitudes towards linguistic structures with more challenging ones dealing with the discrimination of speakers.
N2  - Der Beitrag diskutiert ein Interventionsprogramm fur die Weiterbildung von Lehrer/inne/n und Erzieher/inne/n, das Vorurteile gegenuber sprachlichen Praktiken au ss erhalb eines vermeintlichen monolingualen Standarddeutschen und seinen Sprecher/inne/n fokussiert (). Das Programm verbindet Anti-bias -Methoden zur sprachlichen Vielfalt mit solchen, die auf eine Verstarkung kritischer Sprachbewusstheit abheben. Die Evaluation der Materialien in Lehrerfortbildungen in Berlin und Brandenburg weist auf positive und anhaltende Einstellungsveranderungen bei den Teilnehmer/inne/n, aber nicht bei Mitgliedern einer Kontrollgruppe, die nicht an den Fortbildungen teilnahm; die Effekte waren unabhangig von den personenbezogen Variablen Geschlecht und Lehrfach und nur schwach mit Alter assoziiert. Wir diskutieren diese Effekte im Zusammenhang mit Eigenschaften des Programms wie der Verwendung indirekter und inklusiver Methoden, die eine aktive Auseinandersetzung fordern, und der Verbindung von weniger bedrohlichen Themen, die sich auf Einstellungen gegenuber sprachlichen Strukturen beziehen, mit solchen, die die Diskrimierung von Sprecher/inne/n behandeln und daher eine gro ss ere Herausforderung darstellen
KW  - anti-bias
KW  - critical language awareness
KW  - language and education in multilingual settings
KW  - language attitudes
KW  - linguistic discrimination
Y1  - 2017
U6  - https://doi.org/10.1111/ijal.12121
SN  - 0802-6106
SN  - 1473-4192
VL  - 27
IS  - 1
SP  - 198
EP  - 220
PB  - Wiley
CY  - Hoboken
ER  - 
TY  - JOUR
A1  - Müller, Hans-Georg
A1  - Wiese, Heike
A1  - Mayr, Katharina
A1  - Krämer, Philipp
A1  - Seeger, Patrick
A1  - Mezger, Verena
T1  - Changing teachers' attitudes towards linguistic diversity
BT  - effects of an anti‐bias programme
JF  - International Journal of Applied Linguistics
N2  - We discuss an intervention programme for kindergarten and school teachers' continuing education in Germany that targets biases against language outside a perceived monolingual ‘standard’ and its speakers. The programme combines anti-bias methods relating to linguistic diversity with objectives of raising critical language awareness. Evaluation through teachers' workshops in Berlin and Brandenburg points to positive and enduring attitudinal changes in participants, but not in control groups that did not attend workshops, and effects were independent of personal variables gender and teaching subject and only weakly associated with age. We relate these effects to such programme features as indirect and inclusive methods that foster active engagement, and the combination of ‘safer’ topics targeting attitudes towards linguistic structures with more challenging ones dealing with the discrimination of speakers.
N2  - Der Beitrag diskutiert ein Interventionsprogramm für die Weiterbildung von Lehrer/inne/n und Erzieher/inne/n, das Vorurteile gegenüber sprachlichen Praktiken außerhalb eines vermeintlichen monolingualen „Standarddeutschen“ und seinen Sprecher/inne/n fokussiert (www.deutsch-ist-vielseitig.de). Das Programm verbindet Anti-bias -Methoden zur sprachlichen Vielfalt mit solchen, die auf eine Verstärkung kritischer Sprachbewusstheit abheben. Die Evaluation der Materialien in Lehrerfortbildungen in Berlin und Brandenburg weist auf positive und anhaltende Einstellungsveränderungen bei den Teilnehmer/inne/n, aber nicht bei Mitgliedern einer Kontrollgruppe, die nicht an den Fortbildungen teilnahm; die Effekte waren unabhängig von den personenbezogen Variablen Geschlecht und Lehrfach und nur schwach mit Alter assoziiert. Wir diskutieren diese Effekte im Zusammenhang mit Eigenschaften des Programms wie der Verwendung indirekter und inklusiver Methoden, die eine aktive Auseinandersetzung fördern, und der Verbindung von weniger „bedrohlichen“ Themen, die sich auf Einstellungen gegenüber sprachlichen Strukturen beziehen, mit solchen, die die Diskrimierung von Sprecher/inne/n behandeln und daher eine größere Herausforderung darstellen
KW  - Mehrsprachigkeit
Y1  - 2015
VL  - 27
IS  - 1
SP  - 198
EP  - 220
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  - 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  - JOUR
A1  - Müller, Hans-Georg
A1  - Rzepka, Nathalie
A1  - Simbeck, Katharina
T1  - What you apply is not what you learn!
BT  - Examining students‘ strategies in German capitalization tasks
JF  - Journal of Educational Data Mining
N2  - The ability to spell correctly is a fundamental skill for participating in society and engaging in professional work. In the German language, the capitalization of nouns and proper names presents major difficulties for both native and nonnative learners, since the definition of what is a noun varies according to one’s linguistic perspective. In this paper, we hypothesize that learners use different cognitive strategies to identify nouns. To this end, we examine capitalization exercises from more than 30,000 users of an online spelling training platform. The cognitive strategies identified are syntactic, semantic, pragmatic, and morphological approaches. The strategies used by learners overlap widely but differ by individual and evolve with grade level. The results show that even though the pragmatic strategy is not taught systematically in schools, it is the most widespread and most successful strategy used by learners. We therefore suggest that highly granular learning process data can not only provide insights into learners’ capabilities and enable the creation of individualized learning content but also inform curriculum development.
Y1  - 2021
ER  - 
TY  - JOUR
A1  - Bartsch, Silke
A1  - Bauer, Katharina
A1  - Müller, Heike
A1  - Penning, Isabelle
T1  - Verbraucherkompetenzen für morgen und durch Lehrkräfteweiterbildung heute
BT  - Professionalisierung von Lehrpersonen in der Verbraucherbildung
JF  - Haushalt in Bildung und Forschung (HiBiFo)
N2  - Verbraucherbildung ist bundesweit vielfältig in curricularen Vorgaben verankert. Fachfremde Lehrpersonen benötigen Professionalisierungsangebote, um die Verbraucherbildung
als Querschnittsaufgabe in ihren Fächern implementieren zu können. Erkenntnisse aus der Professionalisierungsforschung werden daher im Beitrag in Bezug auf das cLEVER-Projekt
zusammengetragen, um sie für Fortbildungsangebote nutzbar zu machen.
N2  - Consumer education is anchored in a variety of curricular guidelines throughout Germany.
Teachers from outside the subject area need professionalization offers in order to be able to
implement consumer education as a cross-sectional task in their subjects. Findings from professionalization research will, therefore, be compiled in the article relating to the
cLEV ER-project to make them usable for further training courses.
KW  - Verbraucherbildung
KW  - Consumer Literacy
KW  - Professionalisierung
KW  - Lehrerbildung
KW  - Fortbildung
KW  - consumer education
KW  - consumer literacy
KW  - professionalization
KW  - eacher training
KW  - continuing education
Y1  - 2019
U6  - https://doi.org/10.3224/hibifo.v8i4.06
SN  - 2193-8806
SN  - 2196-1662
VL  - 8
IS  - 4
SP  - 90
EP  - 103
PB  - Budrich
CY  - Leverkusen
ER  - 
TY  - JOUR
A1  - Grott, Matthias
A1  - Knollenberg, J.
A1  - Hamm, M.
A1  - Ogawa, K.
A1  - Jaumann, R.
A1  - Otto, Katharina Alexandra
A1  - Delbo, M.
A1  - Michel, Patrick
A1  - Biele, J.
A1  - Neumann, Wladimir
A1  - Knapmeyer, Martin
A1  - Kührt, E.
A1  - Senshu, H.
A1  - Okada, T.
A1  - Helbert, Jorn
A1  - Maturilli, A.
A1  - Müller, N.
A1  - Hagermann, A.
A1  - Sakatani, Naoya
A1  - Tanaka, S.
A1  - Arai, T.
A1  - Mottola, Stefano
A1  - Tachibana, Shogo
A1  - Pelivan, Ivanka
A1  - Drube, Line
A1  - Vincent, J-B
A1  - Yano, Hajime
A1  - Pilorget, C.
A1  - Matz, K. D.
A1  - Schmitz, N.
A1  - Koncz, A.
A1  - Schröder, Stefan E.
A1  - Trauthan, F.
A1  - Schlotterer, Markus
A1  - Krause, C.
A1  - Ho, T-M
A1  - Moussi-Soffys, A.
T1  - Low thermal conductivity boulder with high porosity identified on C-type asteroid (162173) Ryugu
JF  - Nature astronomy
N2  - C-type asteroids are among the most pristine objects in the Solar System, but little is known about their interior structure and surface properties. Telescopic thermal infrared observations have so far been interpreted in terms of a regolith-covered surface with low thermal conductivity and particle sizes in the centimetre range. This includes observations of C-type asteroid (162173) Ryugu1,2,3. However, on arrival of the Hayabusa2 spacecraft at Ryugu, a regolith cover of sand- to pebble-sized particles was found to be absent4,5 (R.J. et al., manuscript in preparation). Rather, the surface is largely covered by cobbles and boulders, seemingly incompatible with the remote-sensing infrared observations. Here we report on in situ thermal infrared observations of a boulder on the C-type asteroid Ryugu. We found that the boulder’s thermal inertia was much lower than anticipated based on laboratory measurements of meteorites, and that a surface covered by such low-conductivity boulders would be consistent with remote-sensing observations. Our results furthermore indicate high boulder porosities as well as a low tensile strength in the few hundred kilopascal range. The predicted low tensile strength confirms the suspected observational bias6 in our meteorite collections, as such asteroidal material would be too frail to survive atmospheric entry7
Y1  - 2019
U6  - https://doi.org/10.1038/s41550-019-0832-x
SN  - 2397-3366
VL  - 3
IS  - 11
SP  - 971
EP  - 976
PB  - Nature Publishing Group
CY  - London
ER  - 
TY  - JOUR
A1  - Grott, Matthias
A1  - Knollenberg, J.
A1  - Hamm, M.
A1  - Ogawa, K.
A1  - Jaumann, R.
A1  - Otto, Katharina Alexandra
A1  - Delbo, M.
A1  - Michel, P.
A1  - Biele, J.
A1  - Neumann, W.
A1  - Knapmeyer, M.
A1  - Kuehrt, E.
A1  - Senshu, H.
A1  - Okada, T.
A1  - Helbert, J.
A1  - Maturilli, A.
A1  - Müller, N.
A1  - Hagermann, A.
A1  - Sakatani, N.
A1  - Tanaka, S.
A1  - Arai, T.
A1  - Mottola, S.
A1  - Tachibana, S.
A1  - Pelivan, Ivanka
A1  - Drube, L.
A1  - Vincent, J-B
A1  - Yano, H.
A1  - Pilorget, C.
A1  - Matz, K. D.
A1  - Schmitz, N.
A1  - Koncz, A.
A1  - Schröder, S. E.
A1  - Trauthan, F.
A1  - Schlotterer, M.
A1  - Krause, C.
A1  - Ho, T-M
A1  - Moussi-Soffys, A.
T1  - Low thermal conductivity boulder with high porosity identified on C-type asteroid (162173) Ryugu
JF  - Nature astronomy
N2  - C-type asteroids are among the most pristine objects in the Solar System, but little is known about their interior structure and surface properties. Telescopic thermal infrared observations have so far been interpreted in terms of a regolith-covered surface with low thermal conductivity and particle sizes in the centimetre range. This includes observations of C-type asteroid (162173) Ryugu1,2,3. However, on arrival of the Hayabusa2 spacecraft at Ryugu, a regolith cover of sand- to pebble-sized particles was found to be absent4,5 (R.J. et al., manuscript in preparation). Rather, the surface is largely covered by cobbles and boulders, seemingly incompatible with the remote-sensing infrared observations. Here we report on in situ thermal infrared observations of a boulder on the C-type asteroid Ryugu. We found that the boulder’s thermal inertia was much lower than anticipated based on laboratory measurements of meteorites, and that a surface covered by such low-conductivity boulders would be consistent with remote-sensing observations. Our results furthermore indicate high boulder porosities as well as a low tensile strength in the few hundred kilopascal range. The predicted low tensile strength confirms the suspected observational bias6 in our meteorite collections, as such asteroidal material would be too frail to survive atmospheric entry7.
Y1  - 2020
U6  - https://doi.org/10.1038/s41550-019-0832-x
SN  - 2397-3366
VL  - 3
IS  - 11
SP  - 971
EP  - 976
PB  - Nature Publishing Group
CY  - London
ER  - 
TY  - JOUR
A1  - Müller, Anke Katharina
A1  - Helms, Ute
A1  - Rohrer, Carsten
A1  - Möhler, Monika
A1  - Hellwig, Frank
A1  - Glei, Michael
A1  - Schwerdtle, Tanja
A1  - Lorkowski, Stefan
A1  - Dawczynski, Christine
T1  - Nutrient composition of different hazelnut cultivars grown in Germany
JF  - Foods
N2  - Hazelnuts are rarely cultivated in Germany, although they are a valuable source for macro- and micronutrients and can thus contribute to a healthy diet. Near the present, 15 varieties were cultivated in Thuringia, Germany, as a pilot study for further research. The aim of our study was to evaluate the micro- and macronutrient composition of representative, randomly mixed samples of the 15 different hazelnut cultivars. Protein, fat, and fiber contents were determined using established methods. Fatty acids, tocopherols, minerals, trace elements, and ultra-trace elements were analyzed using gas chromatography, high-performance liquid chromatography, and inductively coupled plasma triple quadrupole mass-spectrometry, respectively. We found that the different hazelnut varieties contained valuable amounts of fat, protein, dietary fiber, minerals, trace elements, and alpha-tocopherol, however, in different quantities. The variations in nutrient composition were independent of growth conditions, which were identical for all hazelnut varieties. Therefore, each hazelnut cultivar has its specific nutrient profile.
KW  - Corylus avellana L.
KW  - nutrient composition
KW  - hazelnut cultivars
KW  - minerals
KW  - tocopherols
Y1  - 2020
U6  - https://doi.org/10.3390/foods9111596
SN  - 2304-8158
VL  - 9
IS  - 11
PB  - MDPI
CY  - Basel
ER  - 
TY  - JOUR
A1  - Bauer, Joachim
A1  - Stamm, Axel
A1  - Virnich, Katharina
A1  - Wissing, Karen
A1  - Müller, Udo
A1  - Wirsching, Michael
A1  - Schaarschmidt, Uwe
T1  - Correlation between burnout syndrome and psychological and psychosomatic symptoms among teachers
N2  - Objectives: Psychosomatic disorders and symptoms that correlate with the so-called burnout syndrome turned out to be the main cause of increasing rates of premature retirement of school teachers. The aim of this study was to evaluate the relation between occupational burden and psychological strain of teachers who are still in work. Methods: A sample of 408 teachers at ten grammar schools (am: High school; German: Gymnasium) in south-western Germany was evaluated. To determine the styles of coping with occupational burden we used the measure of coping capacity questionnaire (MECCA). To analyse the psychopathological and psychosomatic symptom load we applied SCL 90 R questionnaire. Results: According to the MECCA questionnaire, 32.5% of the sample suffered from burnout (type B), 17.7% suffered severe strain (type A), 35.9% showed an unambitious (type S) and 13.8% showed a healthy-ambitious coping style (type G). Burnout was significantly higher among women, divorced teachers and teachers working part-time. As part of the MECCA, teachers were asked to rate what they regarded as the strongest factor resulting in occupational burden. Teachers indicated that, besides high numbers of pupils in one class, they regarded destructive and aggressive behaviour of pupils as the primary stress factor. According to the SCL 90 R, 20% of the sample showed a severe degree (defined as > 70 points in the SCL90R GSI) of psychological and psychosomatic symptoms. MECCA type B (burnout) correlated significantly with high psychological and psychosomatic symptom load according to the SCL90R. Conclusions: In school teachers, burnout syndrome, a construct that derived from occupational psychology and occupational medicine, is significantly correlated with psychological and psychosomatic symptoms. Teachers rate destructive and aggressive behaviour of pupils as the primary stress factor.
Y1  - 2006
UR  - http://www.springerlink.com/content/101165
U6  - https://doi.org/10.1007/s00420-005-0050-y
SN  - 0340-0131
ER  - 
TY  - JOUR
A1  - Kuhlmann, Stella
A1  - Tschorn, Mira
A1  - Arolt, Volker
A1  - Beer, Katja
A1  - Brandt, Julia
A1  - Grosse, Laura
A1  - Haverkamp, Wilhelm
A1  - Müller-Nordhorn, Jacqueline
A1  - Rieckmann, Nina
A1  - Waltenberger, Johannes
A1  - Warnke, Katharina
A1  - Hellweg, Rainer
A1  - Ströhle, Andreas
T1  - Serum brain-derived neurotrophic factor and stability of depressive symptoms in coronary heart disease patients
BT  - a prospective study
JF  - Psychoneuroendocrinology : an international journal ; the official journal of the International Society of Psychoneuroendocrinology
N2  - Objective:
Brain-derived neurotrophic factor (BDNF) supports neurogenesis, angiogenesis, and promotes the survival of various cell types in the brain and the coronary system. Moreover, BDNF is associated with both coronary heart disease (CHD) and depression. The current study aims to investigate whether serum BDNF levels are associated with the course of depressive symptoms in CHD patients.
Methods:
At baseline, N = 225 CHD patients were enrolled while hospitalized. Of these, N = 190 (84%) could be followed up 6 months later. Depressive symptoms were assessed both at baseline and at the 6-months follow-up using the Patient Health Questionnaire (PHQ-9). Serum BDNF concentrations were measured using fluorometric Enzyme-linked immunosorbent assays (ELISA).
Results:
Logistic regression models showed that lower BDNF levels were associated with persistent depressive symptoms, even after adjustment for age, sex, smoking and potential medical confounders. The incidence of depressive symptoms was not related to lower BDNF levels. However, somatic comorbidity (as measured by the Charlson Comorbidity Index) was significantly associated with the incidence of depressive symptoms.
Conclusions:
Our findings suggest a role of BDNF in the link between CHD and depressive symptoms. Particularly, low serum BDNF levels could be considered as a valuable biomarker for the persistence of depressive symptoms among depressed CHD patients.
KW  - Brain-derived neurotrophic factor (BDNF)
KW  - Coronary heart disease (CHD)
KW  - Depression
KW  - Serum
Y1  - 2016
U6  - https://doi.org/10.1016/j.psyneuen.2016.12.015
SN  - 0306-4530
VL  - 77
SP  - 196
EP  - 202
PB  - Elsevier Science
CY  - Oxford
ER  - 
TY  - RPRT
A1  - Müller, Kai-Uwe
A1  - Neumann, Michael
A1  - Wrohlich, Katharina
T1  - Labor supply under participation and hours constraints
BT  - An extended structural model for policy evaluations
T2  - CEPA Discussion Papers
N2  - The paper extends a static discrete-choice labor supply model by adding participation and hours constraints. We identify restrictions by survey information on the eligibility and search activities of individuals as well as actual and desired hours. This provides for a more robust identification of preferences and constraints. Both, preferences and restrictions are allowed to vary by and are related through observed and unobserved characteristics. We distinguish various restrictions mechanisms: labor demand rationing, working hours norms varying across occupations, and insufficient public childcare on the supply side of the market. The effect of these mechanisms is simulated by relaxing different constraints at a time. We apply the empirical frame- work to evaluate an in-work benefit for low-paid parents in the German institutional context. The benefit is supposed to increase work incentives for secondary earners. Based on the structural model we are able to disentangle behavioral reactions into the pure incentive effect and the limiting impact of constraints at the intensive and extensive margin. We find that the in-work benefit for parents substantially increases working hours of mothers of young children, especially when they have a low education. Simulating the effects of restrictions shows their substantial impact on employment of mothers with young children.
T3  - CEPA Discussion Papers - 3 
KW  - labor supply
KW  - hours restrictions
KW  - involuntary unemployment
KW  - gender
Y1  - 2019
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-427656
SN  - 2628-653X
IS  - 3
ER  - 
TY  - RPRT
A1  - Müller, Kai-Uwe
A1  - Wrohlich, Katharina
T1  - Does subsidized care for toddlers increase maternal labor supply?
BT  - Evidence from a large-scale expansion of early childcare
T2  - CEPA Discussion Papers
N2  - Expanding public or publicly subsidized childcare has been a top social policy priority in many industrialized countries. It is supposed to increase fertility, promote children’s development and enhance mothers’ labor market attachment. In this paper, we analyze the causal effect of one of the largest expansions of subsidized childcare for children up to three years among industrialized countries on the employment of mothers in Germany. Identification is based on spatial and temporal variation in the expansion of publicly subsidized childcare triggered by two comprehensive childcare policy reforms. The empirical analysis is based on the German Microcensus that is matched to county level data on childcare availability. Based on our preferred specification which includes time and county fixed effects we find that an increase in childcare slots by one percentage point increases mothers’ labor market participation rate by 0.2 percentage points. The overall increase in employment is explained by the rise in part-time employment with relatively long hours (20-35 hours per week). We do not find a change in full-time employment or lower part-time employment that is causally related to the childcare expansion. The effect is almost entirely driven by mothers with medium-level qualifications. Mothers with low education levels do not profit from this reform calling for a stronger policy focus on particularly disadvantaged groups in coming years.
T3  - CEPA Discussion Papers - 9 
KW  - childcare provision
KW  - mother’s labor supply
KW  - generalized difference-in-difference
Y1  - 2019
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-427727
SN  - 2628-653X
IS  - 9
ER  - 
TY  - JOUR
A1  - Bressel, Katharina
A1  - Müller, Wenke
A1  - Leser, Martin Erwin
A1  - Reich, Oliver
A1  - Hass, Roland
A1  - Wooster, Tim J.
T1  - Depletion-induced flocculation of concentrated emulsions probed by photon density wave spectroscopy
JF  - Langmuir
N2  - Stable, creaming-free oil in water emulsions with high volume fractions of oil (phi = 0.05-0.40, density matched to water) and polysorbate 80 as an emulsifier were characterized without dilution by Photon Density Wave spectroscopy measuring light absorption and scattering behavior, the latter serving as the basis for droplet size distribution analysis. The emulsion with phi = 0.10 was used to investigate flocculation processes induced by xanthan as a semi-flexible linear nonabsorbing polymer. Different time regimes in the development of the reduced scattering coefficient mu(s)' could be identified. First, a rapid, temperature-dependent change in mu(s)' during the depletion process was observed. Second, the further decrease of mu(s)' follows a power law in analogy to a spinodal demixing behavior, as described by the Cahn-Hilliard theory.
Y1  - 2020
U6  - https://doi.org/10.1021/acs.langmuir.9b03642
SN  - 0743-7463
VL  - 36
IS  - 13
SP  - 3504
EP  - 3513
PB  - American Chemical Society
CY  - Washington
ER  -