{"id":7558,"date":"2026-09-24T09:53:56","date_gmt":"2026-09-24T09:53:56","guid":{"rendered":"https:\/\/www.mediapreparators.com\/blog\/effets-dun-controle-precis-du-ph-sur-la-qualite-des-milieux-de-culture\/"},"modified":"2026-09-24T11:36:04","modified_gmt":"2026-09-24T11:36:04","slug":"controle-ph-milieux-de-culture","status":"publish","type":"blog","link":"https:\/\/www.mediapreparators.com\/fr\/blog\/controle-ph-milieux-de-culture\/","title":{"rendered":"Effets d\u2019un contr\u00f4le pr\u00e9cis du pH sur la qualit\u00e9 des milieux de culture"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tiempo de lectura:<\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"7558\" class=\"elementor elementor-7558 elementor-7529\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1f630e e-flex e-con-boxed e-con e-parent\" data-id=\"e1f630e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f20dd46 e-con-full e-flex e-con e-child\" data-id=\"f20dd46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-009ee50 elementor-widget elementor-widget-text-editor\" data-id=\"009ee50\" 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><a href=\"https:\/\/www.mediapreparators.com\/fr\/blog\/\">Blog &gt;<\/a><\/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-e3435ee elementor-widget elementor-widget-text-editor\" data-id=\"e3435ee\" 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\tEffets d\u2019un contr\u00f4le pr\u00e9cis du pH sur la qualit\u00e9 des milieux de culture\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7ff2ecc e-con-full e-flex e-con e-child\" data-id=\"7ff2ecc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-072a703 e-con-full e-flex e-con e-child\" data-id=\"072a703\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a497ea elementor-widget elementor-widget-heading\" data-id=\"2a497ea\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Effets d\u2019un contr\u00f4le pr\u00e9cis du pH sur la qualit\u00e9 des milieux de culture<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb6de92 elementor-widget elementor-widget-text-editor\" data-id=\"eb6de92\" 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\tD\u00e9couvrez comment un contr\u00f4le pr\u00e9cis du pH influence la qualit\u00e9, la stabilit\u00e9 et la reproductibilit\u00e9 des milieux de culture.\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-7642c33 elementor-icon-list--layout-inline elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"7642c33\" 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<span class=\"elementor-icon-list-text\">RAYPA Lab<\/span>\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<span class=\"elementor-icon-list-text\"><span class=\"span-reading-time rt-reading-time\"><span class=\"rt-label rt-prefix\"><\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">min de lecture<\/span><\/span><\/span>\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<span class=\"elementor-icon-list-text\">Mis \u00e0 jour : 24\/09\/2026<\/span>\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>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c38b46b e-con-full e-flex e-con e-parent\" data-id=\"c38b46b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e491b2 elementor-widget elementor-widget-progress-tracker\" data-id=\"6e491b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;percentage&quot;:&quot;yes&quot;,&quot;percentage_color&quot;:&quot;#FFFFFF&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:72,&quot;type&quot;:&quot;horizontal&quot;,&quot;relative_to&quot;:&quot;entire_page&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\" data-widget_type=\"progress-tracker.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"elementor-scrolling-tracker elementor-scrolling-tracker-horizontal elementor-scrolling-tracker-alignment-\">\n\t\t\t\t\t\t<div class=\"current-progress\">\n\t\t\t\t\t<div class=\"current-progress-percentage\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<article class=\"elementor-element elementor-element-a0492fe e-flex e-con-boxed e-con e-parent\" data-id=\"a0492fe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ac56ad1 e-con-full e-flex e-con e-child\" data-id=\"ac56ad1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d68209e e-con-full e-flex e-con e-child\" data-id=\"d68209e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:100,&quot;sticky_effects_offset&quot;:100,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aea318f elementor-toc--minimized-on-mobile elementor-widget elementor-widget-table-of-contents\" data-id=\"aea318f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;no_headings_message&quot;:&quot;No se encontraron t\\u00edtulos en esta p\\u00e1gina.&quot;,&quot;collapse_subitems&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;mobile&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tSOMMAIRE\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__aea318f\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__aea318f\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__aea318f\" class=\"elementor-toc__body elementor-toc__list-items--collapsible\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b560b2a e-con-full e-flex e-con e-child\" data-id=\"b560b2a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-faa9b4e e-con-full e-flex e-con e-child\" data-id=\"faa9b4e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f9f3bd8 elementor-widget elementor-widget-heading\" data-id=\"f9f3bd8\" 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<h4 class=\"elementor-heading-title elementor-size-default\">R\u00e9sum\u00e9<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-920f20e parrafo elementor-widget elementor-widget-text-editor\" data-id=\"920f20e\" 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 pH est un param\u00e8tre cl\u00e9 dans la pr\u00e9paration des milieux de culture, car il influence la disponibilit\u00e9 des nutriments, la stabilit\u00e9 de leurs composants ainsi que les conditions de croissance des micro-organismes et des tissus v\u00e9g\u00e9taux. Un contr\u00f4le pr\u00e9cis du pH contribue \u00e0 r\u00e9duire la variabilit\u00e9 entre les lots et \u00e0 obtenir des r\u00e9sultats plus coh\u00e9rents et reproductibles. <\/p><p>Cependant, le pH peut \u00e9voluer pendant la st\u00e9rilisation et continuer \u00e0 varier au cours de la culture. Une pr\u00e9paration appropri\u00e9e ne consiste donc pas uniquement \u00e0 ajuster une valeur initiale, mais \u00e9galement \u00e0 comprendre comment chaque formulation \u00e9volue tout au long du processus et \u00e0 \u00e9tablir des conditions de mesure, de contr\u00f4le et d\u2019enregistrement coh\u00e9rentes. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dca7399 e-con-full e-flex e-con e-child\" data-id=\"dca7399\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b3208e0 e-con-full e-flex e-con e-child\" data-id=\"b3208e0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c24519d elementor-widget elementor-widget-heading\" data-id=\"c24519d\" 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\">Qu\u2019est-ce que le pH et pourquoi est-il important dans les milieux de culture ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e6ff26 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"6e6ff26\" 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 pH est une mesure li\u00e9e \u00e0 l\u2019activit\u00e9 des ions hydrog\u00e8ne (H\u207a) dans une solution et permet d\u2019en d\u00e9terminer le degr\u00e9 d\u2019acidit\u00e9 ou d\u2019alcalinit\u00e9 <a href=\"#bibliografia\">[1]<\/a>.<\/p><p>Dans les milieux de culture, le pH :<\/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-afcd9c1 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"afcd9c1\" 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<ul><li>Influence la solubilit\u00e9 et la disponibilit\u00e9 de nombreux nutriments et composants du milieu, tels que les phosphates, le fer et d\u2019autres \u00e9l\u00e9ments min\u00e9raux.<\/li><li>Influence l\u2019activit\u00e9 enzymatique et les voies m\u00e9taboliques des cellules cultiv\u00e9es.<\/li><li>Favorise des conditions adapt\u00e9es \u00e0 la croissance des micro-organismes et des tissus v\u00e9g\u00e9taux.<\/li><\/ul>\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-75f4753 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"75f4753\" 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>Une valeur de pH inadapt\u00e9e peut donc modifier \u00e0 la fois les propri\u00e9t\u00e9s chimiques du milieu et la r\u00e9ponse biologique de la culture <a href=\"#bibliografia\">[2]<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2bacae1 e-con-full e-flex e-con e-child\" data-id=\"2bacae1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4a4a9e8 e-con-full e-flex e-con e-child\" data-id=\"4a4a9e8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46af232 elementor-widget elementor-widget-heading\" data-id=\"46af232\" 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\">Comment le pH affecte-t-il la qualit\u00e9 des milieux de culture ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ee3467 elementor-widget elementor-widget-heading\" data-id=\"9ee3467\" 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<h3 class=\"elementor-heading-title elementor-size-default\">1. Disponibilit\u00e9 des nutriments<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df8c520 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"df8c520\" 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 pH affecte la solubilit\u00e9 et la disponibilit\u00e9 de nombreux nutriments pr\u00e9sents dans le milieu.<\/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-f331504 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"f331504\" 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<ul><li><p><strong>Phosphates et micronutriments<\/strong> : le pH modifie la solubilit\u00e9 et la forme chimique de nombreux composants du milieu. Des valeurs inadapt\u00e9es peuvent favoriser la formation de pr\u00e9cipit\u00e9s ou r\u00e9duire la disponibilit\u00e9 de certains nutriments, en particulier de certains micronutriments m\u00e9talliques. Ces effets d\u00e9pendent de la composition sp\u00e9cifique du milieu et des interactions entre ses diff\u00e9rents composants.  <\/p><\/li><li><p><strong>Sources d\u2019azote<\/strong> : dans les milieux de culture v\u00e9g\u00e9tale, l\u2019absorption et l\u2019assimilation de l\u2019ammonium (NH\u2084\u207a) et du nitrate (NO\u2083\u207b) sont \u00e9troitement li\u00e9es au pH. L\u2019absorption de NH\u2084\u207a tend \u00e0 acidifier le milieu, tandis que celle de NO\u2083\u207b peut contribuer \u00e0 augmenter son pH. La proportion entre ces deux sources d\u2019azote peut donc influencer l\u2019\u00e9volution du pH au cours de la culture <a href=\"#bibliografia\">[3]<\/a>.<\/p><\/li><\/ul>\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-b8f0b6c elementor-widget elementor-widget-heading\" data-id=\"b8f0b6c\" 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<h3 class=\"elementor-heading-title elementor-size-default\">2. Stabilit\u00e9 chimique du milieu<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bd3de0 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"1bd3de0\" 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>De nombreux composants des milieux de culture, tels que les vitamines, les hormones et les r\u00e9gulateurs de croissance, peuvent \u00eatre affect\u00e9s par le pH.<\/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-e5d6550 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"e5d6550\" 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<ul><li><p><strong>R\u00e9gulateurs de croissance <\/strong>: la stabilit\u00e9 et l\u2019activit\u00e9 de certains r\u00e9gulateurs de croissance v\u00e9g\u00e9tale, notamment certaines auxines, peuvent \u00eatre affect\u00e9es par le pH. D\u2019autres facteurs, tels que la temp\u00e9rature, la lumi\u00e8re et la composition du milieu, peuvent \u00e9galement influencer leur stabilit\u00e9 <a href=\"#bibliografia\">[4]<\/a>.<\/p><\/li><li><p><strong>Vitamines<\/strong> : la stabilit\u00e9 de certaines vitamines pr\u00e9sentes dans les milieux peut d\u00e9pendre du pH, de la temp\u00e9rature et de la dur\u00e9e d\u2019exposition \u00e0 la chaleur. La formulation du milieu ainsi que les conditions de st\u00e9rilisation peuvent donc affecter leur stabilit\u00e9 <a href=\"#bibliografia\">[5]<\/a>. <\/p><\/li><\/ul>\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-6ddeb6c elementor-widget elementor-widget-heading\" data-id=\"6ddeb6c\" 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<h3 class=\"elementor-heading-title elementor-size-default\">3. Croissance des micro-organismes et des tissus v\u00e9g\u00e9taux<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b94ee1 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"2b94ee1\" 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>Chaque organisme pr\u00e9sente des conditions de pH sp\u00e9cifiques favorables \u00e0 sa croissance.<\/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-b43ba69 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"b43ba69\" 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<ul><li><p><strong>Micro-organismes <\/strong>: de nombreuses bact\u00e9ries pr\u00e9sentent une croissance optimale \u00e0 des valeurs de pH proches de la neutralit\u00e9, tandis que de nombreux champignons et levures tol\u00e8rent et se d\u00e9veloppent correctement dans des conditions plus acides. La plage optimale d\u00e9pend toutefois de chaque micro-organisme <a href=\"#bibliografia\">[6]<\/a><a href=\"#bibliografia\">[7]<\/a>. <\/p><\/li><li><p><strong>Tissus v\u00e9g\u00e9taux<\/strong> : dans de nombreux protocoles de culture in vitro, le milieu est g\u00e9n\u00e9ralement ajust\u00e9 \u00e0 des valeurs proches de pH 5,5\u20136,0 avant la st\u00e9rilisation, bien que la valeur optimale d\u00e9pende de l\u2019esp\u00e8ce, du type de tissu et de la formulation utilis\u00e9e <a href=\"#bibliografia\">[2]<\/a><a href=\"#bibliografia\">[8]<\/a>.<\/p><\/li><\/ul>\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-4a3e3f8 elementor-widget elementor-widget-heading\" data-id=\"4a3e3f8\" 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<h3 class=\"elementor-heading-title elementor-size-default\">4. Interaction avec les agents g\u00e9lifiants<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c120b32 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"c120b32\" 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>Dans les milieux solides, le pH peut \u00e9galement influencer les propri\u00e9t\u00e9s de l\u2019agent g\u00e9lifiant.<\/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-8f2c8bc parrafo elementor-widget elementor-widget-text-editor\" data-id=\"8f2c8bc\" 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<ul><li><p><strong>Agar<\/strong> : le pH peut influencer ses propri\u00e9t\u00e9s g\u00e9lifiantes. En particulier, des conditions acides associ\u00e9es \u00e0 un traitement thermique peuvent favoriser son hydrolyse et r\u00e9duire ensuite la fermet\u00e9 du gel <a href=\"#bibliografia\">[9]<\/a>. <\/p><\/li><li><p><strong>Gomme gellane<\/strong> : ses propri\u00e9t\u00e9s de g\u00e9lification d\u00e9pendent \u00e9galement du pH et, plus particuli\u00e8rement, de la composition ionique du milieu. Des variations de ces param\u00e8tres peuvent donc modifier la fermet\u00e9 du gel <a href=\"#bibliografia\">[10]<\/a>.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-159a86f e-con-full e-flex e-con e-child\" data-id=\"159a86f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-190a9e3 elementor-widget elementor-widget-heading\" data-id=\"190a9e3\" 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\">Que se passe-t-il avec le pH pendant la st\u00e9rilisation ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a84f519 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"a84f519\" 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 pH mesur\u00e9 avant la st\u00e9rilisation ne correspond pas toujours au pH final du milieu.<\/p><p>L\u2019exposition \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es peut entra\u00eener des variations li\u00e9es \u00e0 la composition du milieu, \u00e0 son pouvoir tampon et aux interactions entre ses diff\u00e9rents composants. Dans les milieux de culture v\u00e9g\u00e9tale, par exemple, des diff\u00e9rences ont \u00e9t\u00e9 observ\u00e9es entre le pH ajust\u00e9 initialement et celui mesur\u00e9 apr\u00e8s autoclavage <a href=\"#bibliografia\">[8]<\/a>. <\/p><p>Cela signifie qu\u2019un ajustement correct du pH avant le traitement thermique ne garantit pas n\u00e9cessairement que le milieu pr\u00e9sentera exactement la m\u00eame valeur apr\u00e8s la st\u00e9rilisation.<\/p><p>C\u2019est pourquoi, lorsque le pH final est critique pour une application, il est recommand\u00e9 de caract\u00e9riser le comportement de la formulation apr\u00e8s la st\u00e9rilisation.<\/p><p>Une strat\u00e9gie appropri\u00e9e consiste \u00e0 d\u00e9terminer exp\u00e9rimentalement la variation de pH induite par le processus de st\u00e9rilisation et, lorsque cela est n\u00e9cessaire, \u00e0 \u00e9tablir une proc\u00e9dure de pr\u00e9paration valid\u00e9e tenant compte de cette variation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e1afdd7 e-con-full e-flex e-con e-child\" data-id=\"e1afdd7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc7adfa elementor-widget elementor-widget-heading\" data-id=\"fc7adfa\" 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\">Comment mesurer et ajuster correctement le pH ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d4d09d parrafo elementor-widget elementor-widget-text-editor\" data-id=\"6d4d09d\" 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>Un contr\u00f4le reproductible commence par des conditions de mesure et de pr\u00e9paration clairement d\u00e9finies.<\/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-dc26552 elementor-widget elementor-widget-heading\" data-id=\"dc26552\" 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<h3 class=\"elementor-heading-title elementor-size-default\">1. Mesure du pH<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-096a14b parrafo elementor-widget elementor-widget-text-editor\" data-id=\"096a14b\" 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\u2019utilisation d\u2019un pH-m\u00e8tre correctement \u00e9talonn\u00e9 est essentielle pour obtenir des r\u00e9sultats fiables. L\u2019instrument doit \u00eatre \u00e9talonn\u00e9 \u00e0 l\u2019aide de solutions tampons certifi\u00e9es et adapt\u00e9es \u00e0 la plage de pH \u00e0 mesurer, conform\u00e9ment aux recommandations du fabricant. <\/p><p>La temp\u00e9rature de mesure doit \u00e9galement \u00eatre prise en compte. La r\u00e9ponse de l\u2019\u00e9lectrode comme le pH de la solution elle-m\u00eame peuvent varier en fonction de la temp\u00e9rature. Les mesures doivent donc \u00eatre r\u00e9alis\u00e9es dans des conditions d\u00e9finies et constantes <a href=\"#bibliografia\">[11]<\/a>. <\/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-2a57c4b elementor-widget elementor-widget-heading\" data-id=\"2a57c4b\" 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<h3 class=\"elementor-heading-title elementor-size-default\">2. Ajustement du pH<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20886dd parrafo elementor-widget elementor-widget-text-editor\" data-id=\"20886dd\" 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>Des solutions acides ou alcalines peuvent \u00eatre utilis\u00e9es pour modifier le pH. Parmi les plus couramment employ\u00e9es figurent l\u2019acide chlorhydrique (HCl) et l\u2019hydroxyde de sodium (NaOH). <\/p><p>Pendant l\u2019ajustement, il est important de maintenir une agitation ad\u00e9quate afin d\u2019assurer une r\u00e9partition homog\u00e8ne de la solution ajout\u00e9e et d\u2019obtenir une mesure repr\u00e9sentative de l\u2019ensemble du volume.<\/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-935c0c9 elementor-widget elementor-widget-heading\" data-id=\"935c0c9\" 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<h3 class=\"elementor-heading-title elementor-size-default\">3. V\u00e9rification et enregistrement<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b0e058 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"9b0e058\" 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 pH doit \u00eatre contr\u00f4l\u00e9 aux \u00e9tapes pertinentes du processus de pr\u00e9paration.<\/p><p>Selon l\u2019application, il peut \u00eatre utile d\u2019enregistrer les valeurs avant et apr\u00e8s la st\u00e9rilisation. Ces informations permettent de d\u00e9terminer comment une formulation donn\u00e9e r\u00e9agit au traitement thermique et facilitent la comparaison entre diff\u00e9rents lots. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6ce2b5f e-con-full e-flex e-con e-child\" data-id=\"6ce2b5f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dbf1c9e elementor-widget elementor-widget-heading\" data-id=\"dbf1c9e\" 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\">Pourquoi le pH peut-il \u00e9voluer pendant la culture ?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70c97f0 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"70c97f0\" 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\u2019\u00e9volution du pH ne s\u2019arr\u00eate pas une fois le milieu pr\u00e9par\u00e9 et st\u00e9rilis\u00e9.<\/p><p>L\u2019activit\u00e9 m\u00e9tabolique des micro-organismes ou des tissus cultiv\u00e9s peut entra\u00eener une acidification ou une alcalinisation progressive du milieu. L\u2019ampleur et le sens de cette \u00e9volution d\u00e9pendent notamment de l\u2019organisme, de la composition du milieu et des nutriments utilis\u00e9s au cours de la croissance <a href=\"#bibliografia\">[8]<\/a><a href=\"#bibliografia\">[3]<\/a>. <\/p><p>Lorsque l\u2019application l\u2019exige, des syst\u00e8mes tampons compatibles avec l\u2019organisme, la formulation et la plage de pH de travail peuvent \u00eatre utilis\u00e9s.<\/p><p>Le choix du tampon doit \u00e9galement tenir compte de facteurs tels que la temp\u00e9rature et les \u00e9ventuelles interactions avec les autres composants du milieu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-034a00c e-con-full e-flex e-con e-child\" data-id=\"034a00c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7768ca3 elementor-widget elementor-widget-heading\" data-id=\"7768ca3\" 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\">Avantages d\u2019un contr\u00f4le pr\u00e9cis du pH<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d1a92d parrafo elementor-widget elementor-widget-text-editor\" data-id=\"0d1a92d\" 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>Un contr\u00f4le rigoureux du pH pendant la pr\u00e9paration des milieux pr\u00e9sente plusieurs avantages :<\/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-ff50117 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"ff50117\" 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<ol><li><p><strong>Meilleure reproductibilit\u00e9<\/strong> : il contribue \u00e0 r\u00e9duire la variabilit\u00e9 entre les lots et facilite la comparaison des r\u00e9sultats obtenus.<\/p><\/li><li><p><strong>Conditions de croissance adapt\u00e9es<\/strong> : maintenir le pH dans la plage appropri\u00e9e \u00e0 chaque micro-organisme ou tissu favorise des conditions propices \u00e0 sa croissance et \u00e0 son d\u00e9veloppement.<\/p><\/li><li><p><strong>Pr\u00e9vention des probl\u00e8mes chimiques<\/strong> : un pH appropri\u00e9 contribue \u00e0 r\u00e9duire les probl\u00e8mes li\u00e9s \u00e0 la pr\u00e9cipitation de certains composants ou \u00e0 la d\u00e9gradation de substances sensibles.<\/p><\/li><li><p><strong>Meilleur contr\u00f4le du processus<\/strong> : l\u2019enregistrement du pH \u00e0 diff\u00e9rentes \u00e9tapes permet d\u2019identifier d\u2019\u00e9ventuelles variations li\u00e9es \u00e0 la formulation ou au traitement thermique.<\/p><\/li><\/ol>\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-3a1de0a elementor-widget elementor-widget-heading\" data-id=\"3a1de0a\" 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\">Le r\u00f4le des pr\u00e9parateurs de milieux dans le contr\u00f4le du pH<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80ee7a4 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"80ee7a4\" 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\u2019automatisation de la pr\u00e9paration des milieux permet de contr\u00f4ler et de standardiser diff\u00e9rentes \u00e9tapes du processus, r\u00e9duisant ainsi une partie de la variabilit\u00e9 associ\u00e9e aux op\u00e9rations manuelles.<\/p><p>Les pr\u00e9parateurs de milieux modernes peuvent int\u00e9grer des syst\u00e8mes de contr\u00f4le du pH offrant des fonctionnalit\u00e9s telles que :<\/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-3983bdf parrafo elementor-widget elementor-widget-text-editor\" data-id=\"3983bdf\" 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<ul><li><p><strong>Mesure en temps r\u00e9el<\/strong> : gr\u00e2ce \u00e0 des capteurs permettant de surveiller le pH pendant la pr\u00e9paration.<\/p><\/li><li><p><strong>Ajustement du pH<\/strong> : dans les syst\u00e8mes int\u00e9grant cette fonctionnalit\u00e9, des ajouts contr\u00f4l\u00e9s de solutions acides ou alcalines peuvent \u00eatre effectu\u00e9s afin d\u2019atteindre la valeur d\u00e9finie.<\/p><\/li><li><p><strong>R\u00e9duction des manipulations manuelles<\/strong> : le traitement en syst\u00e8mes ferm\u00e9s et l\u2019automatisation de certaines \u00e9tapes peuvent r\u00e9duire la manipulation du milieu et, par cons\u00e9quent, le risque de contamination pendant sa pr\u00e9paration.<\/p><\/li><\/ul>\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-e15a5e4 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"e15a5e4\" 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>Par ailleurs, la standardisation de param\u00e8tres tels que la temp\u00e9rature, la dur\u00e9e, l\u2019agitation et les conditions de st\u00e9rilisation facilite l\u2019obtention de r\u00e9sultats plus coh\u00e9rents entre les diff\u00e9rents lots.<\/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-07fda61 elementor-widget elementor-widget-heading\" data-id=\"07fda61\" 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\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14e401e parrafo elementor-widget elementor-widget-text-editor\" data-id=\"14e401e\" 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 contr\u00f4le du pH est un facteur essentiel pour obtenir des milieux de culture coh\u00e9rents et reproductibles. Il influence la solubilit\u00e9 et la disponibilit\u00e9 des nutriments, la stabilit\u00e9 de certains composants, les propri\u00e9t\u00e9s des agents g\u00e9lifiants ainsi que les conditions de croissance des micro-organismes et des tissus v\u00e9g\u00e9taux. <\/p><p>Cependant, le pH ne doit pas \u00eatre consid\u00e9r\u00e9 uniquement comme une valeur \u00e0 ajuster avant la st\u00e9rilisation. Il peut \u00e9voluer pendant le traitement thermique et continuer \u00e0 varier par la suite au cours de la culture. <\/p><p>D\u00e9finir correctement la valeur cible, contr\u00f4ler les conditions de mesure, comprendre la r\u00e9action de chaque formulation \u00e0 la st\u00e9rilisation et enregistrer les param\u00e8tres pertinents permettent de r\u00e9duire la variabilit\u00e9 entre les lots et d\u2019am\u00e9liorer la reproductibilit\u00e9 du processus.<\/p><p>Les <strong><a href=\"https:\/\/www.mediapreparators.com\/fr\/preparateurs-de-milieux\/\">pr\u00e9parateurs de milieux<\/a><\/strong> permettent de standardiser et de contr\u00f4ler les \u00e9tapes critiques de la pr\u00e9paration, r\u00e9duisant ainsi la variabilit\u00e9 associ\u00e9e aux processus manuels et facilitant la production de milieux de culture homog\u00e8nes et reproductibles.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cbf2fb1 e-con-full e-flex e-con e-child\" data-id=\"cbf2fb1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-af827f1 e-con-full e-flex e-con e-child\" data-id=\"af827f1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-044ea53 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"044ea53\" 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>Vous souhaitez am\u00e9liorer le contr\u00f4le et la reproductibilit\u00e9 de la pr\u00e9paration de vos milieux de culture ?<\/strong><\/p><p>Notre \u00e9quipe peut vous aider \u00e0 identifier la solution la mieux adapt\u00e9e \u00e0 vos proc\u00e9d\u00e9s et aux besoins de votre laboratoire.<\/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-b63b00d elementor-align-center elementor-widget elementor-widget-button\" data-id=\"b63b00d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/portal.raypa.com\/contact?marca=mp&#038;lang=fr\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9changez avec un sp\u00e9cialiste<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9290140 elementor-widget elementor-widget-heading\" data-id=\"9290140\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Bibliographie<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfc9cd6 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"bfc9cd6\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"bibliografia\" 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<ol><li><p>IUPAC. <em>pH<\/em>. Compendium of Chemical Terminology (the \u201cGold Book\u201d), 5th ed. International Union of Pure and Applied Chemistry, 2025. DOI: 10.1351\/goldbook.P04524.    <a href=\"https:\/\/goldbook.iupac.org\/terms\/view\/P04524\" target=\"_blank\" rel=\"noopener\">IUPAC Gold Book \u2014 pH<\/a><\/p><\/li><li><p>Funnekotter, B., Mancera, R. L., &#038; Bunn, E. (2023). <em>A Simple but Effective Combination of pH Indicators for Plant Tissue Culture<\/em>. Plants, 12(4), 740. DOI: 10.3390\/plants12040740. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9959788\/\" target=\"_blank\" rel=\"noopener\">Article dans PubMed Central<\/a><\/p><\/li><li><p>Pasternak, T. P., &#038; Steinmacher, D. (2024). <em>Plant Growth Regulation in Cell and Tissue Culture In Vitro<\/em>. Plants, 13(2), 327. DOI: 10.3390\/plants13020327. <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10818547\/\" target=\"_blank\" rel=\"noopener\">Article dans PubMed Central<\/a><\/p><\/li><li><p>Dunlap, J. R., &#038; Robacker, K. M. (1988). <em>Nutrient Salts Promote Light-Induced Degradation of Indole-3-Acetic Acid in Tissue Culture Media<\/em>. Plant Physiology, 88(2), 379\u2013382. DOI: 10.1104\/pp.88.2.379.   <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC1055585\/\" target=\"_blank\" rel=\"noopener\">Article dans PubMed Central<\/a><\/p><\/li><li><p>Schnellbaecher, A., Binder, D., Bellmaine, S., &#038; Zimmer, A. (2019). <em>Vitamins in cell culture media: Stability and stabilization strategies<\/em>. Biotechnology and Bioengineering, 116(6), 1537\u20131555. DOI: 10.1002\/bit.26942.   <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6594077\/\" target=\"_blank\" rel=\"noopener\">Article dans PubMed Central<\/a><\/p><\/li><li><p>Krulwich, T. A., Sachs, G., &#038; Padan, E. (2011). <em>Molecular aspects of bacterial pH sensing and homeostasis<\/em>. Nature Reviews Microbiology, 9, 330\u2013343. DOI: 10.1038\/nrmicro2549.   <a href=\"https:\/\/www.nature.com\/articles\/nrmicro2549\" target=\"_blank\" rel=\"noopener\">Article dans Nature Reviews Microbiology<\/a><\/p><\/li><li><p>Bansfield, D., Spilling, K., Mikola, A., &#038; Piiparinen, J. (2023). <em>Growth of fungi and yeasts in food production waste streams: a feasibility study<\/em>. BMC Microbiology, 23, 328. DOI: 10.1186\/s12866-023-03083-6.   <a href=\"https:\/\/link.springer.com\/article\/10.1186\/s12866-023-03083-6\" target=\"_blank\" rel=\"noopener\">Article dans BMC Microbiology<\/a><\/p><\/li><li><p>Skirvin, R. M., Chu, M. C., Mann, M. L., Young, H., Sullivan, J., &#038; Fermanian, T. (1986). <em>Stability of tissue culture medium pH as a function of autoclaving, time, and cultured plant material<\/em>. Plant Cell Reports, 5(4), 292\u2013294. DOI: 10.1007\/BF00269825. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24248250\/\" target=\"_blank\" rel=\"noopener\">R\u00e9f\u00e9rence dans PubMed<\/a><\/p><\/li><li><p>EFSA ANS Panel. (2016). <em>Re-evaluation of agar (E 406) as a food additive<\/em>. EFSA Journal, 14. DOI: 10.2903\/j.efsa.2016.4645.   <\/p><\/li><li><p>Morris, E. R., Nishinari, K., &#038; Rinaudo, M. (2012). <em>Gelation of gellan \u2013 A review<\/em>. Food Hydrocolloids, 28(2), 373\u2013411. DOI: 10.1016\/j.foodhyd.2012.01.004.   <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0268005X12000057\" target=\"_blank\" rel=\"noopener\">Article dans ScienceDirect<\/a><\/p><\/li><li><p>U.S. Geological Survey. (2021). <em>Chapter A6.4. Measurement of pH<\/em>. Techniques and Methods 9-A6.4. DOI: 10.3133\/tm9A6.4.    <a href=\"https:\/\/pubs.usgs.gov\/publication\/tm9A6.4\" target=\"_blank\" rel=\"noopener\">Guide officiel USGS<\/a><\/p><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8ff775d e-con-full elementor-hidden-tablet elementor-hidden-mobile e-flex e-con e-child\" data-id=\"8ff775d\" data-element_type=\"container\" data-e-type=\"container\" id=\"barra-lateral\">\n\t\t<div class=\"elementor-element elementor-element-9191129 e-con-full e-flex e-con e-child\" data-id=\"9191129\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:100,&quot;sticky_effects_offset&quot;:100,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3044ff elementor-widget elementor-widget-image\" data-id=\"a3044ff\" 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=\"200\" height=\"200\" src=\"https:\/\/www.mediapreparators.com\/wp-content\/uploads\/2026\/03\/raypa-lab-user.png\" class=\"attachment-full size-full wp-image-7018\" alt=\"\" srcset=\"https:\/\/www.mediapreparators.com\/wp-content\/uploads\/2026\/03\/raypa-lab-user.png 200w, https:\/\/www.mediapreparators.com\/wp-content\/uploads\/2026\/03\/raypa-lab-user-150x150.png 150w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/>\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<div class=\"elementor-element elementor-element-b2e8db0 e-con-full e-flex e-con e-child\" data-id=\"b2e8db0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b83c6f elementor-widget elementor-widget-heading\" data-id=\"3b83c6f\" 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<h4 class=\"elementor-heading-title elementor-size-default\">RAYPA Lab<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a142ac2 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"a142ac2\" 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\u00c9quipe de professionnels sp\u00e9cialis\u00e9e dans la st\u00e9rilisation par autoclave et la pr\u00e9paration de milieux de culture, avec une expertise en microbiologie, contr\u00f4le qualit\u00e9 et biotechnologie.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2f649a2 e-con-full e-flex e-con e-child\" data-id=\"2f649a2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e5dc642 parrafo elementor-widget elementor-widget-text-editor\" data-id=\"e5dc642\" 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>Partager<\/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-67ae5ae elementor-share-buttons--shape-circle elementor-share-buttons--color-custom elementor-share-buttons--view-icon-text elementor-share-buttons--skin-gradient elementor-grid-0 elementor-widget elementor-widget-share-buttons\" data-id=\"67ae5ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_whatsapp\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur whatsapp\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-whatsapp\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M380.9 97.1C339 55.1 283.2 32 223.9 32c-122.4 0-222 99.6-222 222 0 39.1 10.2 77.3 29.6 111L0 480l117.7-30.9c32.4 17.7 68.9 27 106.1 27h.1c122.3 0 224.1-99.6 224.1-222 0-59.3-25.2-115-67.1-157zm-157 341.6c-33.2 0-65.7-8.9-94-25.7l-6.7-4-69.8 18.3L72 359.2l-4.4-7c-18.5-29.4-28.2-63.3-28.2-98.2 0-101.7 82.8-184.5 184.6-184.5 49.3 0 95.6 19.2 130.4 54.1 34.8 34.9 56.2 81.2 56.1 130.5 0 101.8-84.9 184.6-186.6 184.6zm101.2-138.2c-5.5-2.8-32.8-16.2-37.9-18-5.1-1.9-8.8-2.8-12.5 2.8-3.7 5.6-14.3 18-17.6 21.8-3.2 3.7-6.5 4.2-12 1.4-32.6-16.3-54-29.1-75.5-66-5.7-9.8 5.7-9.1 16.3-30.3 1.8-3.7.9-6.9-.5-9.7-1.4-2.8-12.5-30.1-17.1-41.2-4.5-10.8-9.1-9.3-12.5-9.5-3.2-.2-6.9-.2-10.6-.2-3.7 0-9.7 1.4-14.8 6.9-5.1 5.6-19.4 19-19.4 46.3 0 27.3 19.9 53.7 22.6 57.4 2.8 3.7 39.1 59.7 94.8 83.8 35.2 15.2 49 16.5 66.6 13.9 10.7-1.6 32.8-13.4 37.4-26.4 4.6-13 4.6-24.1 3.2-26.4-1.3-2.5-5-3.9-10.5-6.6z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_email\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur email\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur linkedin\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-linkedin\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur facebook\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-facebook\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256c0 123.78 90.69 226.38 209.25 245V327.69h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.31 482.38 504 379.78 504 256z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5253306 e-con-full elementor-hidden-desktop elementor-hidden-tablet elementor-hidden-mobile e-flex e-con e-child\" data-id=\"5253306\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-574778a elementor-widget elementor-widget-heading\" data-id=\"574778a\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Fais \u00e9voluer votre expertise<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b05329b parrafo elementor-widget elementor-widget-text-editor\" data-id=\"b05329b\" 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>Abonnez-vous pour recevoir des contenus sp\u00e9cialis\u00e9s sur les milieux de culture, la st\u00e9rilisation, l\u2019automatisation et les biotechnologies v\u00e9g\u00e9tales.<\/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-7ef8b4b elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"7ef8b4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;step_type&quot;:&quot;none&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"Newsletter\" aria-label=\"Newsletter\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"7558\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"7ef8b4b\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">S\u2019abonner<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tiempo de lectura:<\/span> <span class=\"rt-time\"> 7<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>D\u00e9couvrez comment un contr\u00f4le pr\u00e9cis du pH influence la qualit\u00e9, la stabilit\u00e9 et la reproductibilit\u00e9 des milieux de culture.<\/p>\n","protected":false},"author":5,"featured_media":7555,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categoria-de-articulo":[41,45],"class_list":["post-7558","blog","type-blog","status-publish","format-standard","has-post-thumbnail","hentry","categoria-de-articulo-milieux-de-culture","categoria-de-articulo-optimisation-et-controle"],"acf":{"imagen_categoria_articulo":null},"_links":{"self":[{"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/blog\/7558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/types\/blog"}],"author":[{"embeddable":true,"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/comments?post=7558"}],"version-history":[{"count":5,"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/blog\/7558\/revisions"}],"predecessor-version":[{"id":7563,"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/blog\/7558\/revisions\/7563"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/media\/7555"}],"wp:attachment":[{"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/media?parent=7558"}],"wp:term":[{"taxonomy":"categoria-de-articulo","embeddable":true,"href":"https:\/\/www.mediapreparators.com\/fr\/wp-json\/wp\/v2\/categoria-de-articulo?post=7558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}