{"id":13935,"date":"2023-01-09T23:44:36","date_gmt":"2023-01-09T22:44:36","guid":{"rendered":"https:\/\/www.cerege.fr\/?page_id=13935"},"modified":"2023-10-18T10:28:13","modified_gmt":"2023-10-18T08:28:13","slug":"tools-of-lunity-of-organic-geochemistry","status":"publish","type":"page","link":"https:\/\/www.cerege.fr\/en\/equipements\/poles-techniques\/geochimie-organique-inorganique-et-isotopique-2\/unite-de-geochimie-organique\/outils-de-lunite-de-geochimie-organique\/","title":{"rendered":"Tools of the Organic Geochemistry Unit"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"13935\" class=\"elementor elementor-13935\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-23d55c73 elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"23d55c73\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-65cec72\" data-id=\"65cec72\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ae4ef6b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ae4ef6b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-602f8b67\" data-id=\"602f8b67\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-421164b2 elementor-widget elementor-widget-shortcode\" data-id=\"421164b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><nav aria-label=\"breadcrumbs\">\n            <div class=\"breadcrumb-container theme1\">\n                <ol>\n                                    <\/ol>\n            <\/div>\n        <\/nav>    <script type=\"application\/ld+json\">\n        {\n            \"@context\": \"http:\/\/schema.org\",\n            \"@type\": \"BreadcrumbList\",\n            \"itemListElement\": [\n                            ]\n        }\n    <\/script>\n   \n    <script>\n            <\/script>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-024286f elementor-icon-list--layout-inline elementor-align-center sommaire elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"024286f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre1\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Lyophilisateur<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre2\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">ASE<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre3\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Extracteur \u00e0 micro-ondes<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre4\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">GC-FID<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre5\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">GC-MS<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d35af81 elementor-icon-list--layout-inline elementor-align-center sommaire elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"d35af81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre6\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Robot SPE<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre7\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HPLC-MS<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre8\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HPLC-MS-prep<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre9\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HPLC-prep<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre10\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Genevac<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#ancre11\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Salles de chimie<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13b39d6 elementor-widget elementor-widget-menu-anchor\" data-id=\"13b39d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre1\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9911387 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9911387\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-62b90d55\" data-id=\"62b90d55\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5191a87e elementor-widget elementor-widget-image\" data-id=\"5191a87e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/lyophilisateur_72DPI.png\" class=\"attachment-large size-large wp-image-15162\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/lyophilisateur_72DPI.png 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/lyophilisateur_72DPI-300x188.png 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/lyophilisateur_72DPI-18x12.png 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-54332e61\" data-id=\"54332e61\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2ee5d198 elementor-widget elementor-widget-heading\" data-id=\"2ee5d198\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Lyophilisateur<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50bfe9d0 elementor-widget elementor-widget-text-editor\" data-id=\"50bfe9d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Afin de pr\u00e9server la mati\u00e8re organique de la d\u00e9gradation, les \u00e9chantillons sont s\u00e9ch\u00e9s par lyophilisation (Christ Alpha 1-2 LSC Basic) avant d\u2019\u00eatre homog\u00e9n\u00e9is\u00e9s par broyage dans un mortier en agate.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-addcd73 elementor-widget elementor-widget-menu-anchor\" data-id=\"addcd73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre2\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3bb9806 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3bb9806\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-36b46bea\" data-id=\"36b46bea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-381ba655 elementor-widget elementor-widget-image\" data-id=\"381ba655\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/ASE.jpg\" class=\"attachment-large size-large wp-image-15153\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/ASE.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/ASE-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/ASE-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-28defd81\" data-id=\"28defd81\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3136de13 elementor-widget elementor-widget-heading\" data-id=\"3136de13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Extracteur organique \u00e0 solvants\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-320f5cbf elementor-widget elementor-widget-text-editor\" data-id=\"320f5cbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pour analyser les compos\u00e9s mol\u00e9culaires, il faut d\u2019abord les extraire du s\u00e9diment. La technique utilis\u00e9e par le syst\u00e8me de l\u2019ASE 350 (Accelerated Solvant Extractor, Thermo Scientific) repose sur l\u2019extraction de mol\u00e9cules par des solvants organiques \u00e0 haute de pression et \u00e0 haute temp\u00e9rature. La temp\u00e9rature \u00e9lev\u00e9e augmente la solubilit\u00e9 des compos\u00e9s dans le solvant, tandis que la haute pression maintient le solvant \u00e0 l\u2019\u00e9tat liquide.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4bbce96 elementor-widget elementor-widget-menu-anchor\" data-id=\"4bbce96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre3\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-34a02488 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"34a02488\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-56ce4a2b\" data-id=\"56ce4a2b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3dd79823 elementor-widget elementor-widget-image\" data-id=\"3dd79823\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"520\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/microwave_open_72DPI-1024x666.jpg\" class=\"attachment-large size-large wp-image-15163\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/microwave_open_72DPI-1024x666.jpg 1024w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/microwave_open_72DPI-300x195.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/microwave_open_72DPI-768x499.jpg 768w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/microwave_open_72DPI-18x12.jpg 18w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/microwave_open_72DPI.jpg 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-212fa2b2\" data-id=\"212fa2b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-159cd411 elementor-widget elementor-widget-heading\" data-id=\"159cd411\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Extracteur organique par micro-ondes\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-430dfcff elementor-widget elementor-widget-text-editor\" data-id=\"430dfcff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le principe de l\u2019extraction par micro-ondes (MAE Microwave-Assisted Extraction ETHOS Milestone) est bas\u00e9 sur la chauffe de l\u2019\u00e9chantillon avec des solvants organiques dans des conteneurs ferm\u00e9s supportant des temp\u00e9ratures et pressions \u00e9lev\u00e9es. La temp\u00e9rature augmente la solubilit\u00e9 des compos\u00e9es et diminue la viscosit\u00e9 du solvant. Les param\u00e8tres physiques (T\u00b0C, pression, rampe de T\u00b0C) de l\u2019extraction sont mesur\u00e9s et enregistr\u00e9s en continu pour des raisons de tra\u00e7abilit\u00e9 et de s\u00e9curit\u00e9. L\u2019avantage de la MAE consiste dans le grand nombre d\u2019\u00e9chantillons trait\u00e9s simultan\u00e9ment et rapidement car le transfert de chaleur dans les \u00e9chantillons est direct (le solvant polaire absorbe l\u2019\u00e9nergie des \u00b5-ondes et la transmet imm\u00e9diatement aux mol\u00e9cules de l\u2019\u00e9chantillon).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c749522 elementor-widget elementor-widget-menu-anchor\" data-id=\"c749522\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre4\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-438fdc7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"438fdc7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1fb87d24\" data-id=\"1fb87d24\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-78ab0f5a elementor-widget elementor-widget-image\" data-id=\"78ab0f5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse_72DPI.jpg\" class=\"attachment-large size-large wp-image-15155\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse_72DPI.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse_72DPI-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse_72DPI-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-68d1d401\" data-id=\"68d1d401\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f4d0ab4 elementor-widget elementor-widget-heading\" data-id=\"3f4d0ab4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Chromatographe en phase gazeuse<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb14962 elementor-widget elementor-widget-text-editor\" data-id=\"fb14962\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Certaines mol\u00e9cules peuvent \u00eatre s\u00e9par\u00e9es, caract\u00e9ris\u00e9es et quantifi\u00e9es par chromatographie en phase gazeuse (GC). L\u2019instrument (Thermo Scientific Trace GC-FID) est \u00e9quip\u00e9 d\u2019un passeur d\u2019\u00e9chantillon (Thermo Scientific TriPlus). La quantification des compos\u00e9s se fait au moyen d\u2019un d\u00e9tecteur \u00e0 ionisation de flamme (FID).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7caf27a elementor-widget elementor-widget-menu-anchor\" data-id=\"7caf27a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre5\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1a98be3d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1a98be3d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-15b0d243\" data-id=\"15b0d243\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-16b6cf7 elementor-widget elementor-widget-image\" data-id=\"16b6cf7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse-couple-a-un-spectrometre-de-masse-quadripole_72DPI.jpg\" class=\"attachment-large size-large wp-image-15154\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse-couple-a-un-spectrometre-de-masse-quadripole_72DPI.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse-couple-a-un-spectrometre-de-masse-quadripole_72DPI-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Chromatographe-en-phase-gazeuse-couple-a-un-spectrometre-de-masse-quadripole_72DPI-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-79eccce6\" data-id=\"79eccce6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3d10f57d elementor-widget elementor-widget-heading\" data-id=\"3d10f57d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Chromatographe en phase gazeuse coupl\u00e9 \u00e0 un spectrom\u00e8tre de masse quadrip\u00f4le\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-406e4442 elementor-widget elementor-widget-text-editor\" data-id=\"406e4442\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"\">Le chromatographe en phase gazeuse coupl\u00e9 au spectrom\u00e8tre de masse quadripolaire (GC-MS Thermo Scientific Trace GC-DSQII) permet d\u2019ioniser un compos\u00e9 mol\u00e9culaire par impact \u00e9lectronique et de le caract\u00e9riser par son spectre de masse, incluant l\u2019ion mol\u00e9culaire et des fragments sp\u00e9cifiques. Une quantification peut aussi \u00eatre r\u00e9alis\u00e9e en mesurant certaines masses caract\u00e9ristiques suffisamment abondantes (mode SIM selected ion monitoring).<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b75d31b elementor-widget elementor-widget-menu-anchor\" data-id=\"b75d31b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre6\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3fc715d2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3fc715d2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5d224d64\" data-id=\"5d224d64\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71b1dab2 elementor-widget elementor-widget-image\" data-id=\"71b1dab2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Robot-de-chromatographie-en-phase-solide_72.jpg\" class=\"attachment-large size-large wp-image-15164\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Robot-de-chromatographie-en-phase-solide_72.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Robot-de-chromatographie-en-phase-solide_72-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Robot-de-chromatographie-en-phase-solide_72-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2eebf69b\" data-id=\"2eebf69b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1f26a623 elementor-widget elementor-widget-heading\" data-id=\"1f26a623\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Robot de chromatographie en phase solide<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55889c58 elementor-widget elementor-widget-text-editor\" data-id=\"55889c58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le robot pr\u00e9parateur (Gilson GX-271) manipule des extraits lipidiques sous forme liquide, r\u00e9alisant la s\u00e9paration des compos\u00e9s par chromatographie sur des colonnes SPE (Solid Phase Extraction) et la collecte des fractions de diff\u00e9rentes polarit\u00e9s suivant les solvants. Cette \u00e9tape de pr\u00e9paration d\u2019\u00e9chantillons r\u00e9alis\u00e9e en amont de la s\u00e9paration de mol\u00e9cules par chromatographie est incontournable pour les \u00e9chantillons naturels comme des s\u00e9diments marins afin d\u2019\u00e9liminer des compos\u00e9s interf\u00e9rents et de simplifier la matrice (Sanchi et al. 2013). Les \u00e9chantillons ainsi purifi\u00e9s sont plus adapt\u00e9s \u00e0 la chromatographie analytique, ce qui am\u00e9liore les analyses qualitatives et quantitatives et augmente la dur\u00e9e de vie des colonnes de chromatographie en les prot\u00e9geant de contaminants adsorb\u00e9s de fa\u00e7on irr\u00e9versible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c3b5d6 elementor-widget elementor-widget-menu-anchor\" data-id=\"9c3b5d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre7\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fb91376 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb91376\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8db1319\" data-id=\"8db1319\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ccc8b0b elementor-widget elementor-widget-image\" data-id=\"ccc8b0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-gdgt_78DPI2.png\" class=\"attachment-large size-large wp-image-15159\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-gdgt_78DPI2.png 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-gdgt_78DPI2-300x188.png 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-gdgt_78DPI2-18x12.png 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0a67803\" data-id=\"0a67803\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-17a54e3 elementor-widget elementor-widget-heading\" data-id=\"17a54e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Syst\u00e8me HPLC-MS d\u00e9di\u00e9 \u00e0 l\u2019analyse des t\u00e9tra\u00e9thers GDGTs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2944f76 elementor-widget elementor-widget-text-editor\" data-id=\"2944f76\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Syst\u00e8me de chromatographie liquide de haute performance coupl\u00e9 \u00e0 un spectrom\u00e8tre de masse quadrip\u00f4le (HPLC-MS Agilent 1260) avec une source par ionisation chimique \u00e0 pression atmosph\u00e9rique APCI (Atmospheric Pressure Chemical Ionisation). Le syst\u00e8me est aussi \u00e9quip\u00e9 d\u2019un d\u00e9tecteur UV, d\u2019une source \u00e0 \u00e9lectrospray (ESI) et de collecteurs de fractions. La configuration optimale pour les GDGTs inclut deux colonnes de silice en tandem (Davtian et al. 2018).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43e21f8 elementor-widget elementor-widget-menu-anchor\" data-id=\"43e21f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre8\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7389131 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7389131\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2780510\" data-id=\"2780510\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-06e3b4a elementor-widget elementor-widget-image\" data-id=\"06e3b4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Systeme-HPLC-MS-moleculaire_72DPI.jpg\" class=\"attachment-large size-large wp-image-15169\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Systeme-HPLC-MS-moleculaire_72DPI.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Systeme-HPLC-MS-moleculaire_72DPI-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/Systeme-HPLC-MS-moleculaire_72DPI-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-69a9d42\" data-id=\"69a9d42\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f9ef608 elementor-widget elementor-widget-heading\" data-id=\"f9ef608\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Syst\u00e8me HPLC-MS pr\u00e9paratif pour la collecte de fractions mol\u00e9culaires<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8407cf0 elementor-widget elementor-widget-text-editor\" data-id=\"8407cf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u00a0<\/strong>Syst\u00e8me de chromatographie liquide \u00e0 haute performance coupl\u00e9 \u00e0 un spectrom\u00e8tre de masse quadripole (HPLC-MS Agilent 1200) d\u00e9di\u00e9 \u00e0 la purification de certains biomarqueurs comme les alc\u00e8nones pr\u00e9alable aux analyses de D\/H et <sup>13<\/sup>C\/<sup>12<\/sup>C (collaboration avec Guillaume Leduc) ainsi qu\u2019\u00e0 la datation radiocarbone. La chaine analytique est \u00e9quip\u00e9e d\u2019une pompe quaternaire, d\u2019un four et d\u2019un collecteur de fraction. Un splitter en sortie de colonne permet diviser le flux afin de collecter 95% de la masse de l\u2019\u00e9chantillon et de diriger 5% vers le spectrom\u00e8tre de masse \u00e9quip\u00e9 d\u2019une source d\u2019ionisation chimique \u00e0 pression atmosph\u00e9rique APCI (Atmospheric Pressure Chemical Ionization). Une pompe isocratique permet d\u2019ajouter un d\u00e9bit de solvant suffisant pour la source APCI qui n\u2019est pas compatible avec les micro-d\u00e9bits. Le syst\u00e8me HPLC-MS-prep a \u00e9t\u00e9 acquis gr\u00e2ce \u00e0 des financements du Coll\u00e8ge de France et de l\u2019ANR Isobioclim.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3aba585 elementor-widget elementor-widget-menu-anchor\" data-id=\"3aba585\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre9\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fb2b7a8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb2b7a8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d030b43\" data-id=\"d030b43\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9143c6c elementor-widget elementor-widget-image\" data-id=\"9143c6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-prep_72DPI.jpg\" class=\"attachment-large size-large wp-image-15160\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-prep_72DPI.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-prep_72DPI-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/HPLC-prep_72DPI-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-cc15162\" data-id=\"cc15162\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9e7c79a elementor-widget elementor-widget-heading\" data-id=\"9e7c79a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Syst\u00e8me HPLC pr\u00e9paratif de collecte des acides amin\u00e9s<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c465ea3 elementor-widget elementor-widget-text-editor\" data-id=\"c465ea3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La cha\u00eene pr\u00e9parative de chromatographie liquide \u00e0 haute performance (HPLC-prep Agilent 1200) permet d\u2019isoler et de collecter des mol\u00e9cules sp\u00e9cifiques comme des acides amin\u00e9s (l\u2019hydroxyproline notamment). Le syst\u00e8me est \u00e9quip\u00e9 d\u2019un d\u00e9tecteur UV et peut \u00eatre coupl\u00e9 au spectrom\u00e8tre de masse quadrip\u00f4le du syst\u00e8me n\u00b07 (HPLC-MS d\u00e9di\u00e9 aux GDGTs) afin de v\u00e9rifier l\u2019identification et la puret\u00e9 des compos\u00e9s. Les fractions r\u00e9cup\u00e9r\u00e9es peuvent ensuite \u00eatre analys\u00e9es par d\u2019autres techniques. Il est par exemple possible de dater les mol\u00e9cules collect\u00e9es par spectrom\u00e9trie de masse par acc\u00e9l\u00e9rateur (AMS) ou de mesurer leurs valeurs d<sup>13<\/sup>C et d<sup>15<\/sup>N par spectrom\u00e9trie de masse \u00e0 rapport isotopique (IRMS). Le syst\u00e8me HPLC-prep a \u00e9t\u00e9 install\u00e9 en 2022 gr\u00e2ce \u00e0 des financements du Coll\u00e8ge de France et de la fondation AMIDEX.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff4a9b6 elementor-widget elementor-widget-menu-anchor\" data-id=\"ff4a9b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre10\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f71a85a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f71a85a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-f404485\" data-id=\"f404485\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e33d461 elementor-widget elementor-widget-image\" data-id=\"e33d461\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/genevac_72DPI.jpg\" class=\"attachment-large size-large wp-image-15157\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/genevac_72DPI.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/genevac_72DPI-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/genevac_72DPI-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-be88b48\" data-id=\"be88b48\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d25a656 elementor-widget elementor-widget-heading\" data-id=\"d25a656\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00c9vaporateur Genevac<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ca0fe4 elementor-widget elementor-widget-text-editor\" data-id=\"2ca0fe4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u2019appareil Genevac est un concentrateur centrifuge capable d\u2019\u00e9liminer les solvants organiques, l\u2019eau et les acides pour divers formats d\u2019\u00e9chantillons. Le syst\u00e8me permet donc aux \u00e9chantillons d\u2019\u00eatre concentr\u00e9s ou totalement s\u00e9ch\u00e9s. Il est utilis\u00e9, entre autres, dans le protocole d\u2019extraction d\u2019acides amin\u00e9s pr\u00e9alable \u00e0 la datation radiocarbone. L\u2019\u00e9vaporateur Genevac a \u00e9t\u00e9 acquis en 2022 gr\u00e2ce \u00e0 des financements du Coll\u00e8ge de France et de l\u2019APIC CEREGE.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ef38f6 elementor-widget elementor-widget-menu-anchor\" data-id=\"7ef38f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"ancre11\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-846cd0d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"846cd0d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-e50e6d4\" data-id=\"e50e6d4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8fe20b0 elementor-widget elementor-widget-image\" data-id=\"8fe20b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie-Pasteur_72DP.jpg\" class=\"attachment-large size-large wp-image-15166\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie-Pasteur_72DP.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie-Pasteur_72DP-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie-Pasteur_72DP-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0a0977 elementor-widget elementor-widget-image\" data-id=\"f0a0977\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"250\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie_72DPI.jpg\" class=\"attachment-large size-large wp-image-15167\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie_72DPI.jpg 400w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie_72DPI-300x188.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2023\/01\/salle-de-chimie_72DPI-18x12.jpg 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-c7aa17b\" data-id=\"c7aa17b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9bebc8b elementor-widget elementor-widget-heading\" data-id=\"9bebc8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Salles de chimie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae65747 elementor-widget elementor-widget-text-editor\" data-id=\"ae65747\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u2019unit\u00e9 de g\u00e9ochimie organique dispose de deux salles de chimie am\u00e9nag\u00e9es pour pr\u00e9parer les \u00e9chantillons pr\u00e9alablement \u00e0 la quantification des biomarqueurs par chromatographie en phase liquide et gazeuse et pour purifier et caract\u00e9riser des fractions mol\u00e9culaires pr\u00e9alablement aux mesures du radiocarbone. Ces salles de chimie dot\u00e9es de plusieurs sorbonnes sont \u00e9quip\u00e9es\u00a0de petits mat\u00e9riels de paillasses\u00a0: Mat\u00e9riel de broyage pour augmenter la surface de contact et favoriser l\u2019extraction de la phase lipidique, balances et microbalance (XP6, Mettler Toledo), Centrifugeuse (5702, Eppendorf), fours \u00e0 moufles utilis\u00e9s pour calciner la verrerie afin d\u2019\u00e9liminer la contamination organique, syst\u00e8me de purification d\u2019eau pure et ultra-pure Milli-Q (millipore), syst\u00e8me automatis\u00e9 d\u2019\u00e9vaporation de solvant sous azote TurboVap (Biotage) et ReactiVap (Thermo Scientific), syst\u00e8me d\u2019agitation thermostat\u00e9 (MR13, Hettich) pour acc\u00e9l\u00e9rer les phases d\u2019extraction.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Lyophilisateur ASE Extracteur \u00e0 micro-ondes GC-FID GC-MS Robot SPE HPLC-MS HPLC-MS-prep HPLC-prep Genevac Salles de chimie Lyophilisateur Afin de pr\u00e9server la mati\u00e8re organique de la d\u00e9gradation, les \u00e9chantillons sont s\u00e9ch\u00e9s [&hellip;]<\/p>\n","protected":false},"author":551,"featured_media":13888,"parent":13929,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-13935","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-05-24 18:08:44","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/13935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/users\/551"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/comments?post=13935"}],"version-history":[{"count":5,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/13935\/revisions"}],"predecessor-version":[{"id":21349,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/13935\/revisions\/21349"}],"up":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/13929"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/media\/13888"}],"wp:attachment":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/media?parent=13935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}