{"id":4039,"date":"2024-09-24T10:42:00","date_gmt":"2024-09-24T14:42:00","guid":{"rendered":"https:\/\/dev26.lecowebtest.com\/news\/\/"},"modified":"2026-04-21T17:53:28","modified_gmt":"2026-04-21T21:53:28","slug":"spectrometre-de-masse-leco-utilise-pour-etablir-un-profil-respiratoire-de-base","status":"publish","type":"post","link":"https:\/\/www.leco.com\/fr\/news\/leco-mass-spectrometer-used-to-establish-a-core-breath-profile\/","title":{"rendered":"Utilisation d&#x27;un spectrom\u00e8tre de masse LECO pour \u00e9tablir un profil respiratoire de r\u00e9f\u00e9rence chez les primates non humains"},"content":{"rendered":"<div class=\"wp-block-group is-style-leco-vertical-margin-top has-global-padding is-layout-constrained wp-container-core-group-is-layout-875e403b wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group leco-published-on is-nowrap is-layout-flex wp-container-core-group-is-layout-70236872 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">Publi\u00e9 le<\/p>\n\n\n<div style=\"line-height:1\" class=\"wp-block-post-date has-custom-1-font-size\"><time datetime=\"2024-09-24T10:42:00-04:00\">24 septembre 2024<\/time><\/div><\/div>\n\n\n\n<h1 class=\"wp-block-heading is-style-h2-style\">Utilisation d&#x27;un spectrom\u00e8tre de masse LECO pour \u00e9tablir un profil respiratoire de r\u00e9f\u00e9rence chez les primates non humains<\/h1>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\"><figure class=\"is-style-rounded wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-hero-020226.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"LECO - Actualit\u00e9s - Spectrom\u00e8tre de masse - Hero\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-hero-020226.jpg 1200w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-hero-020226-300x150.jpg 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-hero-020226-1024x512.jpg 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-hero-020226-768x384.jpg 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-hero-020226-18x9.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\"><\/figure><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-1ea9787f wp-block-group-is-layout-constrained\" style=\"margin-top:48px\">\n<div class=\"leco-share-article align-left wp-block-create-block-leco-share-article\">\n\t<div class=\"share-article-wrapper\">\n\t\t<button class=\"share-article-button\" data-url=\"https:\/\/www.leco.com\/fr\/news\/leco-mass-spectrometer-used-to-establish-a-core-breath-profile\/\" aria-label=\"Partager l&#039;article\">\n\t\t\tPartager l'article\t\t<\/button>\n\t\t<span class=\"share-article-copied\" aria-live=\"polite\" aria-atomic=\"true\">\n\t\t\tLien de l'article copi\u00e9\t\t<\/span>\n\t<\/div>\n<\/div>\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Selon un article r\u00e9cent publi\u00e9 par <em>Scientific Reports<\/em><em>,<\/em> En mati\u00e8re de recherche biom\u00e9dicale, les primates non humains sont fr\u00e9quemment utilis\u00e9s car leur anatomie et leur physiologie sont tr\u00e8s similaires \u00e0 celles des humains. Ils pr\u00e9sentent \u00e9galement des r\u00e9ponses similaires aux maladies et aux traitements. \u00c9tant donn\u00e9 que les primates non humains sont des \u00eatres vivants, la recherche impliquant ces animaux est strictement limit\u00e9e et r\u00e9glement\u00e9e. Lorsque cela est jug\u00e9 n\u00e9cessaire, les proc\u00e9dures mini-invasives sont privil\u00e9gi\u00e9es. La majeure partie de la recherche est effectu\u00e9e \u00e0 l'aide de sang, de liquide de lavage broncho-alv\u00e9olaire ou de scanners TEP-TDM. Cependant, le pr\u00e9l\u00e8vement d'haleine est moins invasif que toutes ces m\u00e9thodes et ne n\u00e9cessite qu'une intubation sous s\u00e9dation l\u00e9g\u00e8re pendant trois \u00e0 cinq minutes, pendant que les sujets respirent librement. L'utilisation de cette approche pourrait r\u00e9duire consid\u00e9rablement le traumatisme pour les animaux de recherche.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette m\u00e9thode non invasive \u00e0 respiration libre a \u00e9t\u00e9 utilis\u00e9e dans le cadre d'une \u00e9tude pilote visant \u00e0 \u00e9tablir un profil respiratoire de base pour des primates sains, non humains. Les profils respiratoires des primates ont d\u00e9j\u00e0 \u00e9t\u00e9 observ\u00e9s comme moyen d'identifier des primates malades par rapport \u00e0 des primates sains. Cependant, il semble qu'avant cette \u00e9tude, un profil respiratoire de r\u00e9f\u00e9rence pour des primates sains restait \u00e0 \u00e9tablir. \u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c Outre les compos\u00e9s exog\u00e8nes, l'air expir\u00e9 comprend des mol\u00e9cules issues du m\u00e9tabolisme normal, des microbiomes et de processus sp\u00e9cifiques \u00e0 des maladies. Il existe des empreintes respiratoires publi\u00e9es pour des maladies infectieuses, des cancers et des troubles m\u00e9taboliques chez l'humain, il va donc de soi que l'haleine des PNH (primates non humains) peut \u00e9galement \u00eatre utilis\u00e9e pour surveiller leur sant\u00e9 \u201d (Bobak et al., 2024).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L'espoir est que les r\u00e9sultats de telles recherches contribueront \u00e0 d'autres \u00e9tudes, en particulier les recherches sur l'homme, qui impliquent des maladies, des th\u00e9rapies et des vaccins.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette \u00e9tude, financ\u00e9e par des subventions de la Fondation Bill et Melinda Gates, du Fonds Burroughs-Wellcome et des Instituts nationaux de la sant\u00e9, a \u00e9t\u00e9 men\u00e9e \u00e0 bien \u00e0 l\u2019aide d\u2019un instrument LECO GCxGC-TOFMS. Cet instrument a permis de s\u00e9parer par chromatographie et d\u2019analyser les \u00e9chantillons d\u2019haleine de 30 macaques en bonne sant\u00e9 (auxquels s\u2019ajoutent 19 \u00e9chantillons suppl\u00e9mentaires utilis\u00e9s comme ensemble de validation) ; les donn\u00e9es obtenues ont ensuite \u00e9t\u00e9 trait\u00e9es et align\u00e9es \u00e0 l\u2019aide de la fonctionnalit\u00e9 \u00ab Statistical Compare \u00bb de notre logiciel ChromaTOF\u00ae. Gr\u00e2ce \u00e0 notre instrumentation de pointe, les scientifiques ont pu caract\u00e9riser un profil respiratoire de base compos\u00e9 de 23 mol\u00e9cules tr\u00e8s abondantes et invariables.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full is-style-rounded-full-width\" style=\"margin-bottom:var(--wp--preset--spacing--60)\"><img loading=\"lazy\" decoding=\"async\" width=\"2014\" height=\"2400\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226.png\" alt=\"LECO - Actualit\u00e9s - Spectrom\u00e8tre de masse\" class=\"wp-image-4043\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226.png 2014w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226-252x300.png 252w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226-859x1024.png 859w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226-768x915.png 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226-1289x1536.png 1289w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226-1719x2048.png 1719w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-news-mass-spectrometer-020226-10x12.png 10w\" sizes=\"auto, (max-width: 2014px) 100vw, 2014px\" \/><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">LECO est fi\u00e8re que ses instruments de haute qualit\u00e9 aient permis \u00e0 ces scientifiques de mener des recherches importantes susceptibles d&#x27;avoir un impact tant sur la sant\u00e9 animale que sur la sant\u00e9 humaine. Pour en savoir plus sur cette \u00e9tude, <a href=\"https:\/\/www.nature.com\/articles\/s41598-024-64910-y\" target=\"_blank\" rel=\"noreferrer noopener\">lisez l'article publi\u00e9 par <em>Scientific Reports<\/em><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consultez notre site Web pour plus d'informations sur nos <a href=\"https:\/\/www.leco.com\/fr\/spectrometrie-de-masse\/\" data-type=\"page\" data-id=\"2366\">spectrom\u00e8tres de masse<\/a> ou <a href=\"https:\/\/www.leco.com\/fr\/contact\/\" data-type=\"page\" data-id=\"32\">contactez-nous<\/a> avec une question pr\u00e9cise. Vous pouvez \u00e9galement d\u00e9couvrir les autres secteurs d&#x27;activit\u00e9 dans lesquels LECO est pr\u00e9sent <a href=\"\/fr\/actualites\/\">en lisant notre blog !<\/a><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading is-style-h4-style\">Instruments utilis\u00e9s<\/h2>\n\n\n\n<div class=\"leco-card-grid-block wp-block-create-block-leco-card-grid\">\n\t<div class=\"leco-card-grid columns-2\" role=\"list\" aria-label=\"Card grid\">\n\t\t\n\t\t\t\t\t<a href=\"https:\/\/www.leco.com\/fr\/instrument\/gc-tofms-de-paillasse\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"Pegasus BTX Series - Click to learn more\">\n\t\t\n\t\t\t<!-- Card Image -->\n\t\t\t<div class=\"leco-card-image\" role=\"img\" aria-label=\"Syst\u00e8me GC-MS LECO Pegasus BTX avec chargeur automatique\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"Syst\u00e8me GC-MS LECO Pegasus BTX avec chargeur automatique\" class=\"leco-card-img\" loading=\"lazy\" decoding=\"sync\">\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t<!-- Card Content -->\n\t\t\t<div class=\"leco-card-content\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"leco-card-title\">\n\t\t\t\t\t\tS\u00e9rie Pegasus BTX\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t<div class=\"leco-card-bottom\">\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"leco-card-description\">\n\t\t\t\t\t\t\tPegasus BTX : un GC-TOFMS haute sensibilit\u00e9 qui red\u00e9finit les performances du GC-MS\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"leco-card-link\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t<svg class=\"leco-card-arrow\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"44\" height=\"44\" viewbox=\"0 0 44 44\" fill=\"none\" focusable=\"false\">\n\t\t\t\t\t\t\t\t<path d=\"M12.7998 22C12.7998 22.5523 13.2475 23 13.7998 23L27.3857 23L21.7998 28.5859C21.4093 28.9764 21.4093 29.6095 21.7998 30C22.1903 30.3905 22.8234 30.3905 23.2139 30L30.5068 22.7071C30.8973 22.3166 30.8973 21.6834 30.5068 21.2929L23.2139 14C22.8234 13.6095 22.1903 13.6095 21.7998 14C21.4093 14.3905 21.4093 15.0236 21.7998 15.4141L27.3857 21L13.7998 21C13.2475 21 12.7998 21.4477 12.7998 22Z\" fill=\"#78543D\"><\/path>\n\t\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t\t\t<\/a>\n\t\t\n\t\t\t<\/div>\n<\/div>\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<p class=\"is-style-default wp-block-paragraph\"><strong>Notes d'application<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bobak, C. A., Stevenson, K. A. J. M., Sun, N., et al. (2024). <a href=\"https:\/\/doi.org\/10.1038\/s41598-024-64910-y\" target=\"_blank\" rel=\"noreferrer noopener\">D\u00e9finition d'un profil respiratoire de base pour les primates non humains en bonne sant\u00e9<\/a>.\u00a0<em>Scientific Reports, 14<\/em>, 17031.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-style-full-bleed has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading is-style-h4-style\">Nouvelles connexes<\/h2>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"columns-3 wp-block-post-template is-layout-grid wp-container-core-post-template-is-layout-1d17308c wp-block-post-template-is-layout-grid\"><li class=\"wp-block-post post-7271 post type-post status-publish format-standard has-post-thumbnail hentry category-news\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"is-style-rounded wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/fr\/news\/pegasus-btx-mass-spec-coolest-thing-michigan-award\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Images.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"LECO Pegasus\u00ae BTX Mass Spectrometer Nominated for \u201cCoolest Thing Made in Michigan\u201d Award\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Images.png 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Images-300x169.png 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Images-1024x576.png 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Images-768x432.png 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Images-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\"><\/a><\/figure>\n\n<h3 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-a886519ae13d3c55929ef374b8bceb2d wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/fr\/news\/pegasus-btx-mass-spec-coolest-thing-michigan-award\/\" target=\"_self\">LECO Pegasus\u00ae BTX Mass Spectrometer Nominated for \u201cCoolest Thing Made in Michigan\u201d Award<\/a><\/h3>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-09-11T16:12:37-04:00\">11 septembre 2026<\/time><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-7201 post type-post status-publish format-standard has-post-thumbnail hentry category-news tag-gcxgc tag-microplastics tag-pyrolysis tag-thermal-desorption instrument-model-hrt4d core-analysis-type-gc-mass-spectrometry application-type-environmental product-line-mass-spectrometry\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"is-style-rounded wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/fr\/news\/microplastic-analysis-methods-with-thermal-desorption-and-pyrolysis-gcxgc-tofms\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1800\" height=\"600\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Surpassing the Limits of Traditional Microplastic Analysis Methods with Thermal Desorption and Pyrolysis GCxGC-TOFMS\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics.png 1800w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-300x100.png 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-1024x341.png 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-768x256.png 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-1536x512.png 1536w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/09\/Featured-Blog-Image-Microplastics-18x6.png 18w\" sizes=\"auto, (max-width: 1800px) 100vw, 1800px\"><\/a><\/figure>\n\n<h3 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-a886519ae13d3c55929ef374b8bceb2d wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/fr\/news\/microplastic-analysis-methods-with-thermal-desorption-and-pyrolysis-gcxgc-tofms\/\" target=\"_self\">Surpassing the Limits of Traditional Microplastic Analysis Methods with Thermal Desorption and Pyrolysis GCxGC-TOFMS<\/a><\/h3>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-09-01T14:06:38-04:00\">1 septembre 2026<\/time><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-4219 post type-post status-publish format-standard has-post-thumbnail hentry category-news instrument-model-58 core-analysis-type-carbon application-type-environmental application-type-soil-analysis product-line-elemental-analysis\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"is-style-rounded wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/fr\/news\/role-of-toc-in-regenerative-agriculture\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"L&#039;importance de l&#039;analyse du carbone organique total dans le sol en agriculture r\u00e9g\u00e9n\u00e9ratrice\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil.webp 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\"><\/a><\/figure>\n\n<h3 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-a886519ae13d3c55929ef374b8bceb2d wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/fr\/news\/role-of-toc-in-regenerative-agriculture\/\" target=\"_self\">L'importance de l'analyse du carbone organique total dans le sol en agriculture r\u00e9g\u00e9n\u00e9ratrice<\/a><\/h3>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-08-05T08:16:00-04:00\">5 ao\u00fbt 2026<\/time><\/div><\/div>\n\n<\/li><\/ul><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Published on LECO Mass Spectrometer Used to Establish a Core Breath Profile for Non-Human Primates According to a recent article published by Scientific Reports, when it comes to biomedical research, non-human primates are frequently used because their anatomy and physiology is very similar to humans. They also have similar responses to diseases and therapeutics. Because [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":4044,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"instrument-model":[90],"core-analysis-type":[27],"application-type":[36],"product-line":[11],"class_list":["post-4039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","instrument-model-btx","core-analysis-type-gc-mass-spectrometry","application-type-metabolomics","product-line-mass-spectrometry"],"_links":{"self":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts\/4039","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/comments?post=4039"}],"version-history":[{"count":0,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts\/4039\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/media\/4044"}],"wp:attachment":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/media?parent=4039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/categories?post=4039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/tags?post=4039"},{"taxonomy":"instrument-model","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/instrument-model?post=4039"},{"taxonomy":"core-analysis-type","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/core-analysis-type?post=4039"},{"taxonomy":"application-type","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/application-type?post=4039"},{"taxonomy":"product-line","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/product-line?post=4039"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}