{"id":4114,"date":"2023-12-04T16:35:13","date_gmt":"2023-12-04T15:35:13","guid":{"rendered":"https:\/\/www.em-grade.com\/product\/hepes\/"},"modified":"2024-02-06T15:44:56","modified_gmt":"2024-02-06T14:44:56","slug":"hepes","status":"publish","type":"product","link":"https:\/\/www.em-grade.com\/fr\/produit\/hepes\/","title":{"rendered":"HEPES"},"content":{"rendered":"<p><span style=\"color: #ffffff;\">HEPES<\/span><\/p>\n<p>Pour la pr\u00e9paration de solution tampon<\/p>\n<p>HEPES (ou acide 4-(2-hydroxy\u00e9thyl)-1-pip\u00e9razine \u00e9thanesulfonique) est un compos\u00e9 organique zwitterionique couramment utilis\u00e9 comme solution tampon en biochimie. It is part of the Good buffers. Depuis les travaux de Good en 1966, il est largement pr\u00e9f\u00e9r\u00e9 au tampon bicarbonate pour la culture cellulaire en raison d&rsquo;une meilleure stabilit\u00e9 \u00e0 pH physiologique.<\/p>\n<p>Contrairement aux tampons phosphate et bicarbonate, la dissociation du HEPES dans l&rsquo;eau diminue lorsque la temp\u00e9rature diminue, ce qui en fait un avantage pour son utilisation en tant que solution tampon pour maintenir la structure et la fonction des enzymes \u00e0 basse temp\u00e9rature.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sous forme de poudre pour la pr\u00e9paration de tampons.<\/p>\n<p>Formule: C<sub>8<\/sub>H<sub>18<\/sub>N<sub>2<\/sub>O<sub>4<\/sub>S<br \/>\nPM &#8211; MW: 238.30<br \/>\nCAS No. [7365-45-9]<\/p>\n","protected":false},"featured_media":3661,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"itsec_x_frame_options":""},"product_brand":[],"product_cat":[229],"product_tag":[],"class_list":["post-4114","product","type-product","status-publish","has-post-thumbnail","product_cat-reactifs-divers","pa_volume-25g-fr","pa_volume-50g-fr","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/product\/4114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/media\/3661"}],"wp:attachment":[{"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/media?parent=4114"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/product_brand?post=4114"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/product_cat?post=4114"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.em-grade.com\/fr\/wp-json\/wp\/v2\/product_tag?post=4114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}