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Université de Fribourg

Cold-water coral mound archive provides unique insights into intermediate water mass dynamics in the alboran sea during the last deglaciation

Fentimen, Robin ; Feenstra, Eline ; Rüggeberg, Andres ; Vennemann, Torsten ; Hajdas, Irka ; Adatte, Thierry ; Van Rooij, David ; Foubert, Anneleen

In: Frontiers in Marine Science, 2020, vol. 7, p. -

The Alboran Sea is widely recognized to host numerous cold-water coral ecosystems, including the East Melilla Coral Province. Yet, their development through time and response to climatic variability has still to be fully understood. Based on a combined investigation of benthic foraminiferal assemblages, foraminiferal stable isotope compositions, grain size analysis, sediment geochemistry, and...

Università della Svizzera italiana

Online newspaper framing of non-communicable diseases : comparison of mainland China, Taiwan, Hong Kong and Macao

Chang, Angela ; Schulz, Peter J. ; Cheong, Angus Wenghin

In: International journal of environmental research and public health, 2020, vol. 17, no. 15, p. 15 p

As non-communicable diseases (NCDs) are now well recognized as the leading cause of mortality among adult populations worldwide, they are also increasingly the focus of media coverage. As such, the objective of this study is to describe the framing of NCDs in the coverage of newspapers, with the understanding that it says something about the society producing it. Automatic content analysis was ...

Université de Fribourg

Scientists’ warning on invasive alien species

Pyšek, Petr ; Hulme, Philip E. ; Simberloff, Dan ; Bacher, Sven ; Blackburn, Tim M. ; Carlton, James T. ; Dawson, Wayne ; Essl, Franz ; Foxcroft, Llewellyn C. ; Genovesi, Piero ; Jeschke, Jonathan M. ; Kühn, Ingolf ; Liebhold, Andrew M. ; Mandrak, Nicholas E. ; Meyerson, Laura A. ; Pauchard, Aníbal ; Pergl, Jan ; Roy, Helen E. ; Seebens, Hanno ; Kleunen, Mark ; Vilà, Montserrat ; Wingfield, Michael J. ; Richardson, David M.

In: Biological Reviews, 2020, p. brv.12627

Biological invasions are a global consequence of an increasingly connected world and the rise in human population size. The numbers of invasive alien species – the subset of alien species that spread widely in areas where they are not native, affecting the environment or human livelihoods – are increasing. Synergies with other global changes are exacerbating current invasions and...

Université de Neuchâtel

The significance of the adversative connectives aber, mais, ma (‘but’) as indicators in young children’s argumentation

Rocci, Andrea ; Greco, Sara ; Schär, Rebecca ; Convertini, Josephine ; Perret-Clermont, Anne-Nelly ; Iannaccone, Antonio

In: Journal of Argumentation in Context, 2020, vol. 69, no. 1, p. 69-94

Adversative connectives have been analyzed as articulating explicit and implicit facets of argumentative moves and have been thus recognized as potential argumentative indicators. Here we examine adversative connectives Ger. aber, Fr. mais, It. ma (‘but’) in young children’s speech in the context of the ArgImp project, a research endeavor seeking to understand in which...

Université de Fribourg

Superconductivity-induced transverse plasma mode and phonon anomaly in the $c$-axis response of the bilayer compound ${\mathrm{RbCa}}_{2}{\mathrm{Fe}}_{4}{\mathrm{As}}_{4}{\mathrm{F}}_{2}$

Xu, Bing ; Munzar, Dominik ; Dubroka, Adam ; Sheveleva, Evgeniia ; Lyzwa, Fryderyk ; Maršík, Premysl ; Wang, C. N. ; Wang, Z. C. ; Cao, G. H. ; Bernhard, Christian

In: Physical Review B, 2020, vol. 101, no. 21, p. 214512

We studied the infrared response of polycrystalline samples of the iron arsenide superconductor (Rb,Cs)Ca2Fe4As4F2 (Rb,Cs-12442), which has a bilayer structure similar to the high-Tc cuprates YBa2Cu3O7 (YBCO) and Bi2Sr2CaCu2O8. The c-axis reflectivity spectra Rc have been derived from the reflectivity spectra of the polycrystalline samples Rpoly and the in-plane spectrum of a corresponding...

Université de Fribourg

Effects of continuous theta burst stimulation over the left DLPFC on mother tongue and second language production in late bilinguals: a behavioral and ERP study

Jost, Lea B. ; Pestalozzi, Maria I. ; Cazzoli, Dario ; Mouthon, Michael ; Müri, René M. ; Annoni, Jean‑Marie

In: Brain Topography, 2020, vol. 33, no. 4, p. 504–518

Clinical, neuroimaging, and non-invasive brain stimulation studies have associated the dorsolateral prefrontal cortex (DLPFC) with the multilingual language control system. Here, we investigated if this role is increased during the processing of the non- dominant language due to the higher cognitive/attentional demands. We used an inhibitory repetitive transcranial magnetic stimulation (rTMS)...

Université de Fribourg

Does the single-item self-rated health measure the same thing across different wordings? Construct validity study

Cullati, Stéphane ; Bochatay, Naike ; Rossier, Clémentine ; Guessous, Idris ; Burton‑Jeangros, Claudine ; Courvoisier, Delphine S.

In: Quality of Life Research, 2020, p. -

The self-rated health (SRH) item is frequently used in health surveys but variations of its form (wording, response options) may hinder comparisons between versions over time or across surveys. The objectives were to determine (a) whether three SRH forms are equivalent, (b) the form with the best construct validity and (c) the best coding scheme to maximize equivalence across forms.

Université de Fribourg

Improving the assessment of communication competencies in a national licensing OSCE: lessons learned from an experts’ symposium

Monti, Matteo ; Klöckner-Cronauer, * , Christina ; Hautz, Stephanie C. ; Schnabel, Kai P. ; Breckwoldt, Jan ; Junod-Perron, Noëlle ; Feller, Sabine ; Bonvin, Raphael ; Huwendiek, Sören

In: BMC Medical Education, 2020, vol. 20, no. 1, p. 171

Background: As the communication competencies of physicians are crucial for providing optimal patient care, their assessment in the context of the high-stakes Objective Structured Clinical Examination (OSCE) is of paramount importance. Despite abundant literature on the topic, evidence-based recommendations for the assessment of communication competencies in high stakes OSCEs are scarce. As ...

Université de Fribourg

Arginase‐II promotes melanoma migration and adhesion through enhancing hydrogen peroxide production and STAT3 signaling

Yu, Yi ; Ladeiras, Diogo ; Xiong, Yuyan ; Boligan, Kayluz Frias ; Liang, Xiujie ; Gunten, Stephan ; Hunger, Robert E. ; Ming, Xiu‐Fen ; Yang, Zhihong

In: Journal of Cellular Physiology, 2020, p. jcp.29814

Elevated arginase type II (Arg‐II) associates with higher grade tumors. Its function and underlying molecular mechanisms in melanoma remain elusive. In the present study, we observed a significantly higher frequency of Arg‐II expression in melanoma of patients with metastasis than those without metastasis. Silencing Arg‐II in two human melanoma cell lines slowed down the cell growth,...

Université de Fribourg

DNA origami as emerging technology for the engineering of fluorescent and plasmonic-based biosensors

Loretan, Morgane ; Domljanovic, Ivana ; Lakatos, Mathias ; Rüegg, Curzio ; Acuna, Guillermo P.

In: Materials, 2020, vol. 13, no. 9, p. 2185

DNA nanotechnology is a powerful and promising tool for the development of nanoscale devices for numerous and diverse applications. One of the greatest potential fields of application for DNA nanotechnology is in biomedicine, in particular biosensing. Thanks to the control over their size, shape, and fabrication, DNA origami represents a unique opportunity to assemble dynamic and complex...