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Université de Fribourg

Unconventional free charge in the correlated semimetal Nd2Ir2O7

Wang, K. ; Xu, Bing ; Rischau, C. W. ; Bachar, N. ; Michon, B. ; Teyssier, J. ; Qiu, Y. ; Ohtsuki, T. ; Cheng, Bing ; Armitage, N. P. ; Nakatsuji, S. ; van der Marel, D.

In: Nature Physics, 2020, p. -

Nd2Ir2O7 is a correlated semimetal with the pyrochlore structure, in which competing spin–orbit coupling and electron–electron interactions are believed to induce a time- reversal symmetry-broken Weyl semimetal phase characterized by pairs of topologically protected Dirac points at the Fermi energy1,2,3,4. However, the emergent properties in these materials are far from clear, and exotic...

Università della Svizzera italiana

Implicit messages regarding unhealthy foodstuffs in Chinese television advertisements : increasing the risk of obesity

Chang, Angela ; Schulz, Peter J. ; Schirato, Tony ; Hall, Brian J.

In: International journal of environmental research and public health, 2018, vol. 15, no. 1, p. 70

Previous studies indicated that television (TV) advertising is associated with higher rates of obesity. The rate of obesity and overweight continues to rise in mainland China, bringing into question whether TV advertising to young audiences might be partly to blame. This study investigated messaging delivered through TV advertisements regarding healthy and unhealthy foodstuffs. A total of 42...

Université de Fribourg

Evaluating a sensitive issue: reliability of a clinical evaluation for allodynia severity

Packham, Tara L. ; Spicher, Claude J. ; MacDermid, Joy C. ; Quintal, Isabelle ; Buckley, Norman

In: Somatosensory & Motor Research, 2019, p. 1–6

Allodynia is a common feature of neuropathic pain with few validated clinical evaluation options. We identified a need to estimate the measurement properties of the standardised evaluation procedure for static mechanical allodynia severity popularised by the somatosensory rehabilitation of pain method, known as the rainbow pain scale. This study (www.clinicaltrials.gov. NCT02070367) undertook...

Université de Fribourg

Amide proton transfer weighted imaging shows differences in multiple sclerosis lesions and white matter hyperintensities of presumed vascular origin

Sartoretti, Elisabeth ; Sartoretti, Thomas ; Wyss, Michael ; Becker, Anton S. ; Schwenk, Árpád ; Smoorenburg, Luuk van ; Najafi, Arash ; Binkert, Christoph ; Thoeny, Harriet C. ; Zhou, Jinyuan ; Jiang, Shanshan ; Graf, Nicole ; Czell, David ; Sartoretti-Schefer, Sabine ; Reischauer, Carolin

In: Frontiers in Neurology, 2019, vol. 10, p. -

Objectives: To assess the ability of 3D amide proton transfer weighted (APTw) imaging based on magnetization transfer analysis to discriminate between multiple sclerosis lesions (MSL) and white matter hyperintensities of presumed vascular origin (WMH) and to compare APTw signal intensity of healthy white matter (healthy WM) with APTw signal intensity of MSL and WHM.Materials and Methods: A...

Università della Svizzera italiana

The oral commensal Streptococcus mitis shows a mixed memory Th cell signature that is similar to and cross-reactive with Streptococcus pneumoniae

Engen, Stian André ; Rukke, Håkon Valen ; Becattini, Simone ; Jarrossay, David ; Blix, Inger Johanne ; Petersen, Fernanda Cristina ; Sallusto, Federica ; Schenck, Karl

In: Plos one, 2017, vol. 9, no. 8, p. e104306

Background: Carriage of and infection with Streptococcus pneumoniae is known to predominantly induce T helper 17 (Th17) responses in humans, but the types of Th cells showing reactivity towards commensal streptococci with low pathogenic potential, such as the oral commensals S. mitis and S. salivarius, remain uncharacterized. Methods: Memory CD4+ T helper (Th) cell subsets were isolated from...