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Université de Fribourg

La communication transparente et participative des organisations : Une lecture croisée des approches communicationnelles de l’école de Palo Alto et d’Habermas appliquée aux usages des médias sociaux numériques

Asdourian, Bruno

In: Communication & organisation, 2015, no. 48, p. 125-137

L’objectif de cet article est de proposer un cadre théorique de la communication transparente et participative des organisations présentes sur les médias sociaux numériques. Un regard croisé entre la communication « contenu-relation » (école de Palo Alto) et les critères de l’agir communicationnel (Habermas) permet de prendre en compte les caractéristiques spécifiques de ces...

Université de Fribourg

Ab initio description of the ${\mathrm{Bi}}_{2}{\mathrm{Sr}}_{2}{\mathrm{CaCu}}_{2}{\mathrm{O}}_{8+{\delta}}$ electronic structure

Nokelainen, Johannes ; Lane, Christopher ; Markiewicz, Robert S. ; Barbiellini, Bernardo ; Pulkkinen, Aki ; Singh, Bahadur ; Sun, Jianwei ; Pussi, Katariina ; Bansil, Arun

In: Physical Review B, 2020, vol. 101, no. 21, p. 214523

Bi-based cuprate superconductors are important materials for both fundamental research and applications. As in other cuprates, the superconducting phase in the Bi compounds lies close to an antiferromagnetic phase. Our density functional theory calculations based on the strongly-constrained-and- appropriately-normed exchange correlation functional in ...

Università della Svizzera italiana

Proteome-wide analysis of HIV-specific naive and memory CD4+ T cells in unexposed blood donors

Campion, Suzanne L. ; Brodie, Tess M. ; Fischer, William ; Korber, Bette T. ; Rossetti, Astrea ; Goonetilleke, Nilu ; McMichael, Andrew J. ; Sallusto, Federica

In: Journal of experimental medicine, 2014, vol. 211, no. 7, p. 1273-1280

The preexisting HIV-1–specific T cell repertoire must influence both the immunodominance of T cells after infection and immunogenicity of vaccines. We directly compared two methods for measuring the preexisting CD4+ T cell repertoire in healthy HIV-1–negative volunteers, the HLA-peptide tetramer enrichment and T cell library technique, and show high concordance (r = 0.989). Using the...

Université de Fribourg

Unequivocal signatures of the crossover to Anderson localization in realistic models of disordered quasi-one-dimensional materials

Lopez-Bezanilla, Alejandro ; Froufe-Pérez, Luis S. ; Roche, Stephan ; Sáenz, Juan José

In: Physical Review B, 2018, vol. 98, no. 23, p. 235423

The only unequivocal known criterion for single-parameter scaling Anderson localization relies on the knowledge of the full conductance statistics. To date, theoretical studies have been restricted to model systems with symmetric scatterers, hence lacking universality. We present an in-depth statistical study of conductance distributions P(g), in disordered ‘micrometer-long’ carbon...