{"id":9988,"global_id":"fermi.univ-tlse3.fr\/fr\/home?id=9988","global_id_lineage":["fermi.univ-tlse3.fr\/fr\/home?id=9988"],"author":"5","status":"publish","date":"2024-01-19 08:24:20","date_utc":"2024-01-19 07:24:20","modified":"2024-01-22 08:20:40","modified_utc":"2024-01-22 07:20:40","url":"https:\/\/fermi.univ-tlse3.fr\/fr\/home\/event\/spectroscopie-vibrationnelle-des-biomolecules-en-phase-gazeuse-interactions-reconnaissance-et-micro-hydratation-pierre-carcabal-lcar-seminar-25-01-2024-11h\/","rest_url":"https:\/\/fermi.univ-tlse3.fr\/fr\/home\/wp-json\/tribe\/events\/v1\/events\/9988","title":"Spectroscopie vibrationnelle des biomol\u00e9cules en phase gazeuse : interactions, reconnaissance et micro-hydratation. &#8211; (Pierre \u00c7ar\u00e7abal \/ LCAR \/ Seminar). &#8211; 25\/01\/2024, 11H","description":"<p><strong><span style=\"font-size: 20px; color: #191970;\">Pierre \u00c7ar\u00e7abal<\/span> <\/strong>(Institut des Sciences Mol\u00e9culaires d\u2019Orsay, CNRS, Universit\u00e9 Paris Saclay, Orsay)<\/p>\n<p><span style=\"background-color: #cecece;\">S\u00e9minaire LCAR &#8211; <\/span><span style=\"background-color: #cecece;\">Jeudi 25 janvier, 11H. &#8211; Nouvelle Salle de conf\u00e9rence, 3R4<\/span><\/p>\n<p><span style=\"font-size: 20px; color: #191970;\"><strong>R\u00e9sum\u00e9<\/strong> :<\/span><br \/>\nLa liaison hydrog\u00e8ne est au c\u0153ur de l&rsquo;interaction entre les biomol\u00e9cules et leur environnement, principalement compos\u00e9 d&rsquo;eau et d&rsquo;autres biomol\u00e9cules. Les sucres appartiennent \u00e0 l&rsquo;une des classes les plus importantes de biomol\u00e9cules et sont des acteurs cl\u00e9s d&rsquo;une vari\u00e9t\u00e9 de processus biologiques, y compris la reconnaissance mol\u00e9culaire v\u00e9hicul\u00e9e par des interactions non covalentes. Ces mol\u00e9cules particuli\u00e8rement flexibles encodent des informations mol\u00e9culaires par le biais de leur composition chimique et de leurs pr\u00e9f\u00e9rences conformationnelles, \u00e9troitement li\u00e9es \u00e0 l&rsquo;environnement direct et local dans lequel elles sont int\u00e9gr\u00e9es.<br \/>\nEn utilisant la spectroscopie vibrationnelle \u00e0 double r\u00e9sonance, r\u00e9solue en masse et s\u00e9lective par conform\u00e8re, avec l\u2019utilisation syst\u00e9matique de la substitution isotopique, nous pouvons interroger les choix conformationnels des sucres isol\u00e9s et l&rsquo;effet d&rsquo;un nombre contr\u00f4l\u00e9 de mol\u00e9cules environnantes. Jusqu&rsquo;\u00e0 pr\u00e9sent, dans le cas des \u00e9tudes sur l&rsquo;interaction sucre-eau, nous nous sommes principalement concentr\u00e9s sur l&rsquo;effet de l&rsquo;eau sur les conformations du sucre. 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