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Université de Fribourg

Phase separation in the vicinity of Fermi surface hot spots

Jaouen, Thomas ; Hildebrand, Baptiste ; Mottas, Maire-Laure ; Giovannantonio, M. Di ; Ruffieux, Pascal ; Rumo, Maxime ; Nicholson, Christopher W. ; Razzoli, E. ; Barreteau, C. ; Ubaldini, A. ; Giannini, E. ; Vanini, Fabiano ; Beck, Hans ; Monney, Claude ; Aebi, Philipp

In: Physical Review B, 2019, vol. 100, no. 7, p. 075152

Spatially inhomogeneous electronic states are expected to be key ingredients for the emergence of superconducting phases in quantum materials hosting charge-density waves (CDWs). Prototypical materials are transitionmetal dichalcogenides (TMDCs) and among them, 1T-TiSe2 exhibiting intertwined CDW and superconducting states under Cu intercalation, pressure, or electrical gating. Although it...

Université de Fribourg

A selective culture medium for screening linezolid-resistant gram-positive bacteria

Nordmann, Patrice ; Rodríguez-Villodres, Angel ; Poirel, Laurent

In: Diagnostic Microbiology and Infectious Disease, 2019, vol. 95, no. 1, p. 1–4

The SuperLinezolid medium was developed for screening resistance to linezolid (LZD) in Gram-positive bacteria (Staphylococcus spp., Enterococcus spp.). It was evaluated using LZD-susceptible (n = 20) and LZD-resistant (n = 17) Gram-positive isolates. The sensitivity was found to be 82% at 24 h (3 out of 17 isolates being missed), and reached 100% at 48 h. At 48 h, a single...

Université de Fribourg

Ecological constraints coupled with deep-time habitat dynamics predict the latitudinal diversity gradient in reef fishes

Gaboriau, Théo ; Albouy, Camille ; Descombes, Patrice ; Mouillot, David ; Pellissier, Loïc ; Leprieur, Fabien

In: Proceedings of the Royal Society B: Biological Sciences, 2019, vol. 286, no. 1911, p. 20191506

We develop a spatially explicit model of diversification based on palaeohabitat to explore the predictions of four major hypotheses potentially explaining the latitudinal diversity gradient (LDG), namely, the ‘time-area’, ‘tropical niche conservatism’, ‘ecological limits’ and ‘evolutionary speed’ hypotheses. We compare simulation outputs to observed diversity gradients in the...

Interkantonale Hochschule für Heilpädagogik Zürich HfH

Using Open-Source Software for Sign Language Learning and Assessment : The Case of a Web-delivered Yes/No Vocabulary Test for Swiss German Sign Language

Haug, Tobias ; Ebling, Sarah

In: International journal of emerging technologies in learning, 2019, p. 188-196

This study reports on the use of an open-source software for sign language learning and (self-) assessment. A Yes/No vocabulary size test for Swiss German Sign Language (Deutschschweizerische Gebärdensprache, DSGS) was developed, targeting beginning adult learners. The Web-based test, which can be used for self- assessment or placement purposes, was administered to 20 DSGS adult learners of ...

Université de Fribourg

Two-dimensional inversion of wideband spectral data from the capacitively coupled resistivity method – first applications in periglacial environments

Mudler, Jan ; Hördt, Andreas ; Przyklenk, Anita ; Fiandaca, Gianluca ; Maurya, Pradip Kumar ; Hauck, Christian

In: The Cryosphere, 2019, vol. 13, no. 9, p. 2439–2456

The DC resistivity method is a common tool in periglacial research because it can delineate zones of large resistivities, which are often associated with frozen water. The interpretation can be ambiguous, however, because large resistivities may also have other causes, like solid dry rock. One possibility to reduce the ambiguity is to measure the frequency-dependent resistivity. At low...

Université de Neuchâtel

Evolution of the "Castanea sativa" - "Dryocosmus kuriphilus" - "Torymus sinensis" - system in southern Switzerland

Gehring, Eric ; Aebi, Alexandre (Dir.) ; Conedera, Marco (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

The arrival of new organisms that may potentially become harmful for people and ecosystems has become a world-wide daily concern to the point that in Switzerland about 800 established alien species exist, of which at least 107 are considered invasive. A possible way to control such pests is by importing and releasing natural enemies from their countries of origin, letting them to act as so-called...

Université de Neuchâtel

Développement, validation et normalisation de la Batterie d’évaluation de la compréhension syntaxique : une collaboration Québec-Suisse = Development, Validation, and Standardization of the Batterie d’évaluation de la compréhension syntaxique: A Québec–Switzerland Collaboration

Bourgeois, Marie-Ève ; Fossard ; Monetta ; Bergeron, Annie ; Perron, Marc ; Martel-Sauvageau, Vincent

In: Revue canadienne d’orthophonie et d’audiologie - Canadian Journal of Speech-Language Pathology and Audiology, 2019, vol. 43, no. 2, p. 109-120

To fill the lack of French evaluation tools, the Batterie d’évaluation de la compréhension syntaxique [a battery for the evaluation of syntax processing] was developed in collaboration with research teams from Switzerland and the province of Québec. First, participants with aphasia (n = 30) were recruited to complete convergent, divergent, and discriminant validity and reliability...

Université de Fribourg

The effects of gender and parental occupation in the apprenticeship market : an experimental evaluation

Fernandes, Ana ; Huber, Martin ; Plaza, Camila

(Working Papers SES ; 506)

The apprenticeship market is the earliest possible entry into the workforce in developed economies. Since early labor market shocks are likely magnified throughout professional life, avoiding mismatches between talent and occupations e.g. due to gender- or status-based discrimination appears crucial. This experimental study investigates the effects of applicant gender and its interaction with...

Interkantonale Hochschule für Heilpädagogik Zürich HfH

Sign language learning and assessment in German Switzerland : exploring the potential of vocabulary size tests for Swiss German sign language

Haug, Tobias ; Ebling, Sarah ; Braem, Penny Boyes ; Tissi, Katja ; Sidler-Miserez, Sandra

In: Language Education & Assessment, 2019, vol. 2, no. 1, p. 20-40

In German Switzerland the learning and assessment of Swiss German Sign Language (Deutschschweizerische Gebärdensprache, DSGS) takes place in different contexts, for example, in tertiary education or in continuous education courses. By way of the still ongoing implementation of the Common European Framework of Reference for DSGS, different tests and assessment procedures are currently been ...

Università della Svizzera italiana

Schwann cells ER-associated degradation contributes to myelin maintenance in adult nerves and limits demyelination in CMT1B mice

Volpi, Vera G. ; Ferri, Cinzia ; Fregno, Ilaria ; Del Carro, Ubaldo ; Bianchi, Francesca ; Scapin, Cristina ; Pettinato, Emanuela ; Solda, Tatiana ; Feltri, M. Laura ; Molinari, Maurizio ; Wrabetz, Lawrence ; D’Antonio, Maurizio

In: PLOS genetics, 2019, vol. 15, no. 4, p. e1008069

In the peripheral nervous system (PNS) myelinating Schwann cells synthesize large amounts of myelin protein zero (P0) glycoprotein, an abundant component of peripheral nerve myelin. In humans, mutations in P0 cause the demyelinating Charcot-Marie-Tooth 1B (CMT1B) neuropathy, one of the most diffused genetic disorders of the PNS. We previously showed that several mutations, such as the...