{"id":11072,"date":"2024-10-15T13:59:19","date_gmt":"2024-10-15T11:59:19","guid":{"rendered":"https:\/\/fermi.univ-tlse3.fr\/?post_type=tribe_events&p=11072"},"modified":"2024-10-17T14:00:59","modified_gmt":"2024-10-17T12:00:59","slug":"modelisation-des-interactions-intermoleculaires-dans-des-milieux-complexes-issus-de-la-biomasse-verte-en-vue-du-developpement-de-procedes-de-filtration-membranaire-innovants-pour-lobtention-de-biomo","status":"publish","type":"tribe_events","link":"https:\/\/fermi.univ-tlse3.fr\/fr\/home\/event\/modelisation-des-interactions-intermoleculaires-dans-des-milieux-complexes-issus-de-la-biomasse-verte-en-vue-du-developpement-de-procedes-de-filtration-membranaire-innovants-pour-lobtention-de-biomo\/","title":{"rendered":"Mod\u00e9lisation des interactions intermol\u00e9culaires dans des milieux complexes issus de la biomasse verte en vue du d\u00e9veloppement de proc\u00e9d\u00e9s de filtration membranaire innovants pour l’obtention de biomol\u00e9cules d’int\u00e9r\u00eat. – (Marie Certiat \/ LPCNO\/ Th\u00e8se). – 22\/10\/2024, 9H"},"content":{"rendered":"

Soutenance de th\u00e8se<\/span><\/p>\n

Marie Certiat, <\/span><\/strong>LPCNO, campus de l’INSA, au TBI en salle 401 (4\u00e8me \u00e9tage)
\nR\u00e9sum\u00e9:<\/strong><\/span>
\nLes polyph\u00e9nols, mol\u00e9cules bioactives d\u2019int\u00e9r\u00eat, peuvent \u00eatre r\u00e9cup\u00e9r\u00e9s des jus issus de la biomasse verte par filtration membranaire. Ce proc\u00e9d\u00e9 prometteur a n\u00e9anmoins pour limitation principale le colmatage des membranes. Cette th\u00e8se s’est concentr\u00e9e sur l’\u00e9tude des interactions dans des syst\u00e8mes combinant une membrane d’ultrafiltration en poly\u00e9thersulfone (PES) et des acides tanniques (TA), \u00e0 l\u2019aide de simulations de dynamique mol\u00e9culaire (MD) classique. De plus, la mod\u00e9lisation d’une membrane poreuse en PES a permis d’examiner le passage des TA \u00e0 travers la membrane, gr\u00e2ce \u00e0 des simulations MD hors-\u00e9quilibre, mod\u00e9lisant le proc\u00e9d\u00e9 de filtration. Les m\u00e9canismes d’adsorption et d’agr\u00e9gation des TA ont ainsi pu \u00eatre caract\u00e9ris\u00e9s, mettant en \u00e9vidence une comp\u00e9tition entre ces deux ph\u00e9nom\u00e8nes. Par ailleurs, la formation de ponts cationiques favorisant l’agr\u00e9gation des TA a \u00e9t\u00e9 observ\u00e9e suite \u00e0 l’augmentation du pH ou \u00e0 l’ajout de sels, soulignant l’influence des conditions op\u00e9ratoires sur la structure des agr\u00e9gats et leur adsorption sur la membrane.<\/p>\n

Direction :<\/strong><\/div>\n
    \n
  • Franck Jolibois<\/li>\n
  • St\u00e9phanie Laborie<\/li>\n<\/ul>\n
    <\/div>\n
    \n
    Encadrement :<\/strong><\/div>\n
      \n
    • Johanne Teychen\u00e9<\/li>\n
    • Christelle Guigui<\/li>\n<\/ul>\n<\/div>\n
      <\/div>\n
      \n
      Jury :<\/u><\/div>\n
        \n
      • M. Anthony SZYMCZYK, Universit\u00e9 de Rennes 1<\/li>\n
      • M. Philippe GUILBAUD, CEA – Centre d’Etudes de Marcoule<\/li>\n
      • Mme Christel CAUSSERAND, Universit\u00e9 Toulouse III – Paul Sabatier<\/li>\n
      • Mme C\u00e9line PONCET-LEGRAND, INRAE Montpellier<\/li>\n
      • M. Christophe RAYNAUD, Universit\u00e9 de Montpellier<\/li>\n
      • M. Franck JOLIBOIS, \u00a0Universit\u00e9 Toulouse III – Paul Sabatier<\/li>\n
      • Mme St\u00e9phanie LABORIE-MENTON, INSA Toulouse<\/li>\n
      • Mme Johanne TEYCHENE, INSA Toulouse<\/li>\n
      • Mme Christelle GUIGUI, INSA Toulouse<\/li>\n<\/ul>\n<\/div>\n
        <\/div>\n","protected":false},"excerpt":{"rendered":"

        Lieu : campus de l’INSA, au TBI en salle 401 (4\u00e8me \u00e9tage)<\/p>\n","protected":false},"author":5,"featured_media":0,"template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_tribe_events_status":"","_tribe_events_status_reason":"","footnotes":""},"tags":[],"tribe_events_cat":[48,308,312],"class_list":["post-11072","tribe_events","type-tribe_events","status-publish","hentry","tribe_events_cat-events","tribe_events_cat-hdr-thesis","tribe_events_cat-lpcno","cat_events","cat_hdr-thesis","cat_lpcno"],"yoast_head":"\nMod\u00e9lisation des interactions intermol\u00e9culaires dans des milieux complexes issus de la biomasse verte en vue du d\u00e9veloppement de proc\u00e9d\u00e9s de filtration membranaire innovants pour l'obtention de biomol\u00e9cules d'int\u00e9r\u00eat. - 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