{"id":541,"date":"2026-01-09T18:11:41","date_gmt":"2026-01-09T18:11:41","guid":{"rendered":"https:\/\/microlab.tn\/?post_type=product&#038;p=541"},"modified":"2026-04-09T20:46:23","modified_gmt":"2026-04-09T20:46:23","slug":"ensemble-de-tampon-nutritif-colichrom-nps-detection-et-identification-de-coli-et-autres-coliformes","status":"publish","type":"product","link":"https:\/\/microlab.tn\/index.php\/product\/ensemble-de-tampon-nutritif-colichrom-nps-detection-et-identification-de-coli-et-autres-coliformes\/","title":{"rendered":"Ensemble de tampon nutritif Colichrom-NPS : d\u00e9tection et identification d\u2019E. Coli et autres Coliformes"},"content":{"rendered":"<p><span style=\"font-weight: 300;\">Les Colichrom-NPS sont utilis\u00e9s pour la d\u00e9tection de Escherichia coli et d\u2019autres coliformes dans les eaux \u00e0 faible charge bact\u00e9rienne (conform\u00e9ment \u00e0 la norme DIN EN ISO 9308\u20111:2017) ainsi que dans les boissons.<\/span><span style=\"font-weight: 300;\"><br \/>\n<\/span><span style=\"font-weight: 300;\">Avec les Colichrom-NPS, les coliformes peuvent \u00eatre cultiv\u00e9s et diff\u00e9renci\u00e9s de mani\u00e8re s\u00e9lective par leur couleur. Les bact\u00e9ries Gram positives sont largement inhib\u00e9es par le Tergitol\u20117, et les chromog\u00e8nes permettent de distinguer facilement :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 300;\" aria-level=\"1\"><span style=\"font-weight: 300;\">les <\/span><i><span style=\"font-weight: 300;\">E. coli<\/span><\/i><span style=\"font-weight: 300;\"> (colonies bleues),<\/span><\/li>\n<li style=\"font-weight: 300;\" aria-level=\"1\"><span style=\"font-weight: 300;\">les coliformes (colonies roses \u00e0 violettes),<\/span><\/li>\n<li style=\"font-weight: 300;\" aria-level=\"1\"><span style=\"font-weight: 300;\">les bact\u00e9ries non coliformes (colonies beiges).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 300;\">Apr\u00e8s humidification avec 3,0 \u00e0 3,5 ml d\u2019eau st\u00e9rile, distill\u00e9e ou d\u00e9min\u00e9ralis\u00e9e, les milieux sont imm\u00e9diatement pr\u00eats \u00e0 l\u2019emploi. Le niveau d\u2019humidit\u00e9 optimal est atteint lorsqu\u2019un l\u00e9ger exc\u00e8s d\u2019eau est visible autour du tampon.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 300;\">La pr\u00e9sence d\u2019azoture de sodium inhibe efficacement la croissance des bact\u00e9ries autres que les ent\u00e9rocoques, garantissant une s\u00e9lectivit\u00e9 \u00e9lev\u00e9e. Le TTC, m\u00e9tabolis\u00e9 par les ent\u00e9rocoques en formazan rouge, facilite quant \u00e0 lui l\u2019identification et le d\u00e9nombrement des petites colonies.<\/span><\/p>\n<p><span style=\"font-weight: 300;\">Le milieu est fabriqu\u00e9 et test\u00e9 conform\u00e9ment \u00e0 la norme ISO 11133:2014 + Amd. 2:2018, garantissant performance et fiabilit\u00e9.<\/span><\/p>\n<p><span style=\"font-weight: 300;\">Les Nutrient Pad Sets (NPS) sont des milieux nutritifs d\u00e9shydrat\u00e9s et st\u00e9riles, imm\u00e9diatement utilisables apr\u00e8s ajout d\u2019eau st\u00e9rile. Constitu\u00e9s d\u2019un tampon en cellulose biologiquement inerte, ils servent de support au milieu sans interagir chimiquement, assurant ainsi une disponibilit\u00e9 compl\u00e8te des nutriments pour la croissance microbienne.<\/span><span style=\"font-weight: 300;\"><br \/>\n<\/span><span style=\"font-weight: 300;\">Chaque NPS repose sur une formulation conforme aux normes et r\u00e9glementations applicables.<\/span><\/p>\n<p><span style=\"font-weight: 300;\">Par rapport aux milieux g\u00e9los\u00e9s traditionnels, les NPS pr\u00e9sentent plusieurs avantages :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 300;\" aria-level=\"1\"><span style=\"font-weight: 300;\">Stockage \u00e0 temp\u00e9rature ambiante<\/span><\/li>\n<li style=\"font-weight: 300;\" aria-level=\"1\"><span style=\"font-weight: 300;\">Dur\u00e9e de conservation jusqu\u2019\u00e0 2 ans<\/span><\/li>\n<li style=\"font-weight: 300;\" aria-level=\"1\"><span style=\"font-weight: 300;\">Pr\u00eats \u00e0 l\u2019emploi imm\u00e9diatement apr\u00e8s humidification<\/span><\/li>\n<li style=\"font-weight: 300;\" aria-level=\"1\"><span style=\"font-weight: 300;\">Manipulation facile<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 300;\">Sp\u00e9cifications\u00a0:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 300;\">Profile<\/span><\/td>\n<td><span style=\"font-weight: 300;\">Milieux de culture d\u00e9shydrat\u00e9s 50 mm dans des boites de P\u00e9tri, st\u00e9riles<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Couleur<\/span><\/td>\n<td><span style=\"font-weight: 300;\">Blanc<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Composition<\/span><\/td>\n<td><span style=\"font-weight: 300;\">Selon DIN EN ISO 9308-1:2014<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Filtre \u00e0 membrane recommand\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 300;\">Blanc \u00e0 grille, porosit\u00e9 0,45 \u00b5m<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Incubation recommand\u00e9e<\/span><\/td>\n<td><span style=\"font-weight: 300;\">16-24 heures \u00e0 37\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Croissance<\/span><\/td>\n<td><span style=\"font-weight: 300;\">Les colonies d\u2019E. Coli deviennent bleues, les autres coliformes prennent un ton rouge\u00e2tre. les bact\u00e9ries non coliformes prennent une teinte beige. Les bact\u00e9ries Gram positives sont inhib\u00e9es par les sels biliaires<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Quantit\u00e9<\/span><\/td>\n<td><span style=\"font-weight: 300;\">50 ou 100\/ PK<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Stockage<\/span><\/td>\n<td><span style=\"font-weight: 300;\">Dans un endroit sombre et sec \u00e0 temp\u00e9rature ambiante<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 300;\">Dur\u00e9e de conservation<\/span><\/td>\n<td><span style=\"font-weight: 300;\">2 ans apr\u00e8s st\u00e9rilisation<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li aria-level=\"1\"><span style=\"font-weight: 300;\">Milieu de culture d\u00e9shydrat\u00e9 st\u00e9rile ins\u00e9r\u00e9 dans une bo\u00eete de Petri 50 mm utilis\u00e9 pour la<\/span> <span style=\"font-weight: 300;\">m\u00e9thode de filtration sur membrane ou la technique d\u2019isolement.<\/span><\/li>\n<li aria-level=\"1\"><span style=\"font-weight: 300;\">D\u00e9tection s\u00e9lective et quantitative rapide avec diff\u00e9renciation entre <\/span><i><span style=\"font-weight: 300;\">E. Coli<\/span><\/i><span style=\"font-weight: 300;\">, des bact\u00e9ries coliformes et bact\u00e9ries non coliformes dans l\u2019eau, les eaux us\u00e9es et les boissons.<\/span><\/li>\n<li aria-level=\"1\">Fabricant : <span style=\"font-weight: 300;\">Dr. M\u00f6ller &amp; Schmelz\u00ae<\/span><\/li>\n<li aria-level=\"1\">R\u00e9f\u00e9rence : 0<\/li>\n<\/ul>\n","protected":false},"featured_media":936,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[29,28,25],"product_tag":[],"class_list":["post-541","product","type-product","status-publish","has-post-thumbnail","product_cat-agroalimentaire","product_cat-analyse-microbiologique-biochimique","product_cat-environnement","first","instock","shipping-taxable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/product\/541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/comments?post=541"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/media\/936"}],"wp:attachment":[{"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/media?parent=541"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/product_brand?post=541"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/product_cat?post=541"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/microlab.tn\/index.php\/wp-json\/wp\/v2\/product_tag?post=541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}