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DTSTART;TZID=Europe/Paris:20260702T113000
DTEND;TZID=Europe/Paris:20260702T123000
DTSTAMP:20260625T134330Z
CREATED:20260625T134330Z
LAST-MODIFIED:20260625T134330Z
UID:10000204-1782991800-1782995400@sfp-alpes.fr
SUMMARY:Soleiman SHOKUR (EPFL\, Lausanne)
DESCRIPTION:Clinical and Functional Benefits of Prosthetics with Multimodal Feedback\nRésumé : \nSomatosensory feedback in prosthetics has advanced considerably\, with invasive and non-invasive approaches now capable of evoking touch and proprioceptive sensations. Yet modalities have largely been studied in isolation\, and thermotactile feedback — the simultaneous combination of touch and temperature — remains unachieved. This is a critical gap : natural touch is inherently multimodal\, and temperature is not merely a tool for object interac4on but a continuous signal through which we monitor our own body. Its absence from prosthetic feedback represents a fundamental impoverishment of the sensory input the brain expects. In this talk\, I will present recent advances in multimodal sensory feedback and discuss its benefits not only for improving prosthetic function and dexterity\, but also for addressing key clinical consequences of amputation — including phantom limb pain and body perception distortion. \n_ \nContact : homaira.nawabi@univ-grenoble-alpes.fr
URL:https://sfp-alpes.fr/event/soleiman-shokur-epfl-lausanne/
LOCATION:GIN – Amphi Serge Kampf\, Grenoble Institut des Neurosciences (GIN) Bât. Edmond J. Safra\, Chemin Fortune Ferrini CHU\, La Tronche\, 38700\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260703T110000
DTEND;TZID=Europe/Paris:20260703T120000
DTSTAMP:20260625T135922Z
CREATED:20260625T135922Z
LAST-MODIFIED:20260625T135922Z
UID:10000205-1783076400-1783080000@sfp-alpes.fr
SUMMARY:Carlos MEJUTO-ZAERA (LPT Toulouse)
DESCRIPTION:Recovering a band structure picture for correlated electrons\nRésumé : \nArguably one of the central pieces in solid state physics is band structure theory. This provides an interpretable formalism to rationalize and predict the behavior of electrons in periodic systems in terms of effective\, non-interacting models. Thanks to efficient computational frameworks leveraging band structures\, particularly Kohn-Sham density functional approximations\, theory plays an important role in the exploration and design of functional materials. Unfortunately\, the situation is more challenging when it comes to leveraging strongly correlated electrons. Their immense potential for device design is fundamentally more difficult to chart\, as theoretical and computational models for them traditionally need to abandon the band structure picture. \nAmong these approaches\, the ghost Gutzwiller (gGut) framework has recently emerged as a versatile alternative to well established\, computationally intensive methods. gGut is a variational Ansatz which can be formulated as a local embedding. Crucially\, by introducing auxiliary orbitals\, it can describe correlated electrons in lattices and molecules in terms of effectively non-interacting quasiparticles\, recovering a band structure picture valid for strong correlation. Here\, we will discuss two recent gGut applications: the proposal of an interaction-driven mechanism for altermagnetism and the description of topological properties in correlated materials. In the former\, the interplay between van Hove itinerant magnetism and local exchange interactions leads to a homogeneous altermagnetic spin ordering. In the latter\, the quasiparticle picture underlying gGut allows the immediate use of markers developed for non-interacting systems to describe correlated topology. These examples show how gGut can provide transparent descriptions of correlated phenomena in terms of non-interacting quasiparticles. \n_ \nContact : jeanne.colbois@neel.cnrs.fr
URL:https://sfp-alpes.fr/event/carlos-mejuto-zaera-lpt-toulouse/
LOCATION:LPMMC – salle Roger Maynard (G421)\, CNRS - LPMMC 25 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260703T110000
DTEND;TZID=Europe/Paris:20260703T120000
DTSTAMP:20260626T133757Z
CREATED:20260626T133757Z
LAST-MODIFIED:20260626T133757Z
UID:10000210-1783076400-1783080000@sfp-alpes.fr
SUMMARY:Catherine ROYER (Rensselaer Polytechnic Institute\, New York)
DESCRIPTION:Pressure-based mapping of protein conformational landscapes\nRésumé : \nProtein function depends upon dynamics\, and while in recent years great progress has been made in predicting protein structure from sequence\, the sequence determinants of functional dynamics have yet to be defined. We have developed an approach using a combination of high-pressure NMR\, SAXS\, fluorescence\, and computation to locally and globally map protein stability and functional dynamics. On a model repeat protein system we find that single amino acid substitutions lead to large changes in local stability and apparent folding cooperativity\, while global stabilities of the variant proteins are similar. In the case of the Arf GTPases\, which undergo massive conformational changes during their nucleotide switch transition\, we demonstrated that the switch mechanism implicates the population of a functional molten globule. Moreover\, we discovered the sequence determinants of back-to-front allosteric control of the switch that differentiates switching probabilities of the Arf family members\, and likely many other small GTPases. \n_ \nCes séminaires\, ainsi que les soutenances et cours sont ouverts à tous\, notez toutefois que l’accès au campus EPN nécessite un avis de rendez-vous. Merci de remplir ce formulaire et de l’adresser\, plus de 48h à l’avance\, à ce contact. Pensez à vous munir d’une pièce d’identité le jour de votre visite.
URL:https://sfp-alpes.fr/event/catherine-royer-rensselaer-polytechnic-institute-new-york/
LOCATION:IBS – Salle des séminaires\, IBS 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
ORGANIZER;CN="IBS":MAILTO:ibs.seminaires@ibs
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260710T110000
DTEND;TZID=Europe/Paris:20260710T120000
DTSTAMP:20260626T134823Z
CREATED:20260626T134823Z
LAST-MODIFIED:20260626T134823Z
UID:10000211-1783681200-1783684800@sfp-alpes.fr
SUMMARY:Marion JESPERSEN (Department of Microbiology\, Monash University)
DESCRIPTION:Functional and structural insights into O2-adapted hydrogenases\nRésumé : \nHydrogenases are metalloenzymes that catalyse the interconversion of protons and electrons into molecular hydrogen (H2)\, providing valuable models for robust and sustainable H2 catalysts. However\, most characterised hydrogenases are inhibited by oxygen (O2)\, limiting their biotechnological potential. Although diverse [NiFe]- and [FeFe]-hydrogenases have evolved adaptations that support activity\, stability\, or recovery following O2 exposure\, the molecular basis of O2 adaptation remains poorly understood. \nIn this talk\, I will present our ongoing work on O2-adapted hydrogenases from bacteria and archaea inhabiting aerobic soils\, thermoacidophilic environments\, and the gut. By combining physiological\, biochemical\, structural\, and computational approaches\, we investigate how distinct hydrogenase lineages support H2 metabolism under oxygen-exposed conditions.These systems include the high-affinity group 1h [NiFe]-hydrogenase from Mycobacterium smegmatis\, the Sulfolobales clade 2 [NiFe]-hydrogenase from Metallosphaera sedula\, and gut microbial [FeFe]-hydrogenases\, including group B enzymes from Bacteroides species and a group A1 enzyme from Clostridium perfringens. Together\, they highlight the diversity of hydrogenase architectures\, cofactor arrangements\, and electron-transfer strategies that may contribute to O2 resilience. \nOverall\, this work expands the functional and structural repertoire of O2-adapted hydrogenases\, informing our understanding of microbial H2 metabolism and the search for enzymes suited to H2-based biocatalysis. \n_ \nCes séminaires\, ainsi que les soutenances et cours sont ouverts à tous\, notez toutefois que l’accès au campus EPN nécessite un avis de rendez-vous. Merci de remplir ce formulaire et de l’adresser\, plus de 48h à l’avance\, à ce contact. Pensez à vous munir d’une pièce d’identité le jour de votre visite.
URL:https://sfp-alpes.fr/event/marion-jespersen-department-of-microbiology-monash-university/
LOCATION:IBS – Salle des séminaires\, IBS 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
ORGANIZER;CN="IBS":MAILTO:ibs.seminaires@ibs
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261008T160000
DTEND;TZID=Europe/Paris:20261008T170000
DTSTAMP:20260409T110853Z
CREATED:20260409T110848Z
LAST-MODIFIED:20260409T110853Z
UID:10000124-1791475200-1791478800@sfp-alpes.fr
SUMMARY:Cecile ENGRAND
DESCRIPTION:Les micrométéorites : les messagères de notre origine\n_ \nToutes les informations sont disponibles sur : https://indico.ijclab.in2p3.fr/event/13491/ \nContact : louis.fayard@IJCLAB.INP3.FR \n  \n 
URL:https://sfp-alpes.fr/event/cecile-engrand/
LOCATION:Laboratoire IJCLab – Auditorium Pierre Lehmann\, Rue Ampère\, Orsay cedex\, 91898\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20261015T160000
DTEND;TZID=Europe/Paris:20261015T170000
DTSTAMP:20260409T111459Z
CREATED:20260409T111456Z
LAST-MODIFIED:20260409T111459Z
UID:10000125-1792080000-1792083600@sfp-alpes.fr
SUMMARY:Christophe SALOMON
DESCRIPTION:Atomes froids et mesure précise du temps\n_ \nToutes les informations sont disponibles sur : https://indico.ijclab.in2p3.fr/event/13426/ \nContact : louis.fayard@IJCLAB.INP3.FR
URL:https://sfp-alpes.fr/event/christophe-salomon/
LOCATION:Laboratoire IJCLab – Auditorium Pierre Lehmann\, Rue Ampère\, Orsay cedex\, 91898\, France
CATEGORIES:Séminaire
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