{"id":749,"date":"2026-03-16T11:10:58","date_gmt":"2026-03-16T10:10:58","guid":{"rendered":"https:\/\/toxilabo.fr\/news\/analyses-dacides-mercapturiques-dans-lurine-par-lcmsms\/"},"modified":"2026-04-08T10:48:53","modified_gmt":"2026-04-08T08:48:53","slug":"analyses-dacides-mercapturiques-dans-lurine-par-lcmsms","status":"publish","type":"news","link":"https:\/\/toxilabo.fr\/en\/news\/analyses-dacides-mercapturiques-dans-lurine-par-lcmsms\/","title":{"rendered":"Analyses d\u2019acides mercapturiques dans l\u2019urine par LC\/MS\/MS"},"content":{"rendered":"<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">En compl\u00e9ment des analyses d\u00e9j\u00e0 r\u00e9alis\u00e9es au laboratoire, TOXILABO a mis au point et valid\u00e9 une m\u00e9thode d\u2019analyse pour suivre l\u2019exposition au benz\u00e8ne, au 1,3-butadi\u00e8ne, et \u00e0 l\u2019acrylonitrile. Lors d\u2019une exposition \u00e0 ses compos\u00e9s, leur m\u00e9tabolisation conduit \u00e0 la formation, en particulier, d\u2019acides mercapturiques :<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 list\">\n<ul class=\"wp-block-list\">\n<li>acide S-ph\u00e9nylmercapturique (SPMA) pour le benz\u00e8ne<\/li>\n\n\n\n<li>acides dihydroxybutylmercapturique (DHBMA) et monohydroxybutylmercapturique (MHBMA) pour le 1,3-butadi\u00e8ne<\/li>\n\n\n\n<li>acide cyano\u00e9thylmercapturique (CEMA) pour l\u2019acrylonitrile<\/li>\n<\/ul>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Ces m\u00e9tabolites sont dos\u00e9s dans un \u00e9chantillon d\u2019urine recueilli dans un d\u00e9lai variable selon la dur\u00e9e de l\u2019exposition (consultez le laboratoire afin d\u2019optimiser le moment du recueil).<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Afin d\u2019assurer la justesse des r\u00e9sultats, TOXILABO participe pour ces analyses \u00e0 un programme de comparaison interlaboratoires.<\/p>\n<\/div><\/div>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"thematique":[26],"class_list":["post-749","news","type-news","status-publish","hentry","thematique-analyse-biologie"],"acf":[],"_links":{"self":[{"href":"https:\/\/toxilabo.fr\/en\/wp-json\/wp\/v2\/news\/749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toxilabo.fr\/en\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/toxilabo.fr\/en\/wp-json\/wp\/v2\/types\/news"}],"version-history":[{"count":0,"href":"https:\/\/toxilabo.fr\/en\/wp-json\/wp\/v2\/news\/749\/revisions"}],"wp:attachment":[{"href":"https:\/\/toxilabo.fr\/en\/wp-json\/wp\/v2\/media?parent=749"}],"wp:term":[{"taxonomy":"thematique","embeddable":true,"href":"https:\/\/toxilabo.fr\/en\/wp-json\/wp\/v2\/thematique?post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}