{"id":65462,"date":"2023-09-26T14:48:02","date_gmt":"2023-09-26T18:48:02","guid":{"rendered":"https:\/\/rheolution.com\/?p=65462"},"modified":"2026-08-14T11:47:00","modified_gmt":"2026-08-14T15:47:00","slug":"quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t","status":"publish","type":"post","link":"https:\/\/rheolution.com\/fr\/notes-application\/quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t\/","title":{"rendered":"Comment quantifier la concentration cellulaire \u00e0 l&rsquo;aide de TURBIDI.T\u2122 ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"65462\" class=\"elementor elementor-65462 elementor-31681\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17d8bfd e-flex e-con-boxed e-con e-parent\" data-id=\"17d8bfd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-18a978a elementor-widget elementor-widget-heading\" data-id=\"18a978a\" 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<h6 class=\"elementor-heading-title elementor-size-default\">Note d'application | TURBIDI.T\u2122<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36d45a0 elementor-widget elementor-widget-heading\" data-id=\"36d45a0\" 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\">Comment Mesurer la Concentration Cellulaire par Turbidit\u00e9 ?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d96d469 elementor-widget elementor-widget-text-editor\" data-id=\"d96d469\" 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<div class=\"raw_components--panel--3IcXg inspect_panels--inspectionPanel--3Wboz\"><div class=\"inspect_panels--copyableRow--2_PiZ inspect_panels--highlightRow--21P9S\"><div class=\"inspect_panels--propertyRowContent--7Y-mu inspect_panels--copyableRow--2_PiZ inspect_panels--highlightRow--21P9S\"><div class=\"inspect_panels--contentProperty--2Z1QI text--fontPos11--RSei3 text--_fontBase--YWDo0 ellipsis--ellipsisAfter8Lines--2rn32 ellipsis--_ellipsisAfterNLines--26JkZ\"><p>par <a href=\"https:\/\/www.linkedin.com\/in\/gloriapinilla\/\" target=\"_blank\" rel=\"noopener\">Gloria Pinilla<\/a> <span style=\"font-weight: 400\">et <a href=\"https:\/\/www.linkedin.com\/in\/nora-kasaplar\" target=\"_blank\" rel=\"noopener\">Nora Kasaplar<\/a><\/span>,<\/p><p><span style=\"font-weight: 400\">Application<\/span><span style=\"font-weight: 400\"> Chercheurs,<\/span> <a href=\"https:\/\/www.linkedin.com\/company\/1168758\" target=\"_blank\" rel=\"noopener\">Rheolution Inc.<\/a><\/p><p>En collaboration avec  <\/p><p><em>\u00c9cole nationale sup\u00e9rieure de technologie des biomol\u00e9cules de Bordeaux (ENSTBB).<\/em><\/p><\/div><\/div><\/div><\/div>\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-baecb3c elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"baecb3c\" 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<p class=\"elementor-heading-title elementor-size-default\">R\u00e9sum\u00e9<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-349dd3b elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"349dd3b\" 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>La demande croissante de m\u00e9thodes plus rapides de quantification cellulaire d\u00e9passe le cadre des chambres de comptage traditionnelles, ce qui donne lieu \u00e0 des solutions innovantes permettant un comptage pr\u00e9cis tout en r\u00e9duisant le temps n\u00e9cessaire.  <\/li><li>La turbidit\u00e9, qui refl\u00e8te l&rsquo;opacit\u00e9 d&rsquo;une solution due \u00e0 la pr\u00e9sence de particules diffusant la lumi\u00e8re, s&rsquo;av\u00e8re \u00eatre un moyen efficace d&rsquo;acc\u00e9l\u00e9rer la quantification cellulaire.<\/li><li>Dans cette note d&rsquo;application, une forte corr\u00e9lation a \u00e9t\u00e9 \u00e9tablie entre la turbidit\u00e9 (FTU) d&rsquo;une solution de culture <em>de S. cerevisiae<\/em> et le nombre de cellules (cellules\/mL) compt\u00e9es \u00e0 l&rsquo;aide d&rsquo;une chambre de comptage cellulaire classique.  <\/li><li>L&rsquo;utilisation <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">de TURBIDI.T\u2122<\/a> pour des mesures pr\u00e9cises de la turbidit\u00e9 offre une m\u00e9thode simple et rapide pour estimer le nombre de cellules, ce qui permet de gagner du temps et d&rsquo;\u00e9conomiser des ressources lors du comptage de routine des cellules.<\/li><\/ul>\t\t\t\t\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-f98cf15 e-flex e-con-boxed e-con e-parent\" data-id=\"f98cf15\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-972a5d5 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"972a5d5\" 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\">EXPLORATION DES SOLUTIONS ALTERNATIVES POUR LE COMPTAGE CELLULAIRE PAR MESURE DE LA TURBIDIT\u00c9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01e34ff elementor-widget elementor-widget-heading\" data-id=\"01e34ff\" 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<p class=\"elementor-heading-title elementor-size-default\">Introduction<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8b8765 elementor-widget elementor-widget-text-editor\" data-id=\"d8b8765\" 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 le cadre de l&rsquo;analyse des cultures cellulaires, la demande en m\u00e9thodes efficaces de quantification cellulaire a conduit \u00e0 la recherche d&rsquo;alternatives \u00e0 la technique traditionnelle du comptage \u00e0 l&rsquo;aide de chambres de comptage, qui prend beaucoup de temps. Cette approche conventionnelle, bien que fiable, pose des difficult\u00e9s en termes de rapidit\u00e9 et de praticit\u00e9, notamment face aux exigences croissantes de la recherche et de l&rsquo;industrie. <\/p><p>La turbidit\u00e9, qui mesure le degr\u00e9 de trouble d\u2019une solution, appara\u00eet comme une approche int\u00e9ressante pour acc\u00e9l\u00e9rer la quantification cellulaire. Le niveau de turbidit\u00e9 d\u2019un milieu a \u00e9t\u00e9 associ\u00e9 \u00e0 la concentration cellulaire au sein d\u2019une culture cellulaire [1]. S&rsquo;appuyant sur ce lien, la pr\u00e9sente note d&rsquo;application pr\u00e9sente une nouvelle approche permettant de d\u00e9terminer rapidement le nombre de cellules. Cette m\u00e9thode exploite les capacit\u00e9s de <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">TURBIDI.T\u2122<\/a>, un instrument connect\u00e9 \u00e0 l&rsquo;Internet des objets (IoT) con\u00e7u pour mesurer la turbidit\u00e9 avec pr\u00e9cision.    Gr\u00e2ce \u00e0 cet outil, nous proposons une technique pratique et efficace pour estimer le nombre de cellules \u00e0 partir de mesures de turbidit\u00e9, ce qui constitue une avanc\u00e9e significative dans les m\u00e9thodologies de quantification cellulaire.<\/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-1055960 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"1055960\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"2641\" height=\"1121\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?fit=2641%2C1121&amp;ssl=1\" class=\"attachment-full size-full wp-image-46526\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?w=2641&amp;ssl=1 2641w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=300%2C127&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=1024%2C435&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=768%2C326&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=1536%2C652&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=2048%2C869&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=1200%2C509&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=150%2C64&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?resize=480%2C204&amp;ssl=1 480w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?w=2440&amp;ssl=1 2440w\" sizes=\"(max-width:767px) 700px, (max-width:2641px) 100vw, 2641px\" data-attachment-id=\"46526\" data-permalink=\"https:\/\/rheolution.com\/fr\/notes-application\/quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t\/attachment\/fig1_relationship-between-turbidity-and-cell-concentration-3-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?fit=2641%2C1121&amp;ssl=1\" data-orig-size=\"2641,1121\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Turbidity vs. Cell Concentration\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig1_Relationship-between-turbidity-and-cell-concentration.png?fit=1024%2C435&amp;ssl=1\" \/>\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\t\t<div class=\"elementor-element elementor-element-9e3b81d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9e3b81d\" 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><b>Figure 1 : Relation <\/b>entre la turbidit\u00e9 et la concentration cellulaire. Une faible concentration cellulaire entra\u00eene une forte transmission de la lumi\u00e8re \u00e0 travers l&rsquo;\u00e9chantillon, ce qui se traduit par une faible turbidit\u00e9 (\u00e0 gauche), tandis qu&rsquo;une concentration cellulaire \u00e9lev\u00e9e entra\u00eene une transmission de la lumi\u00e8re plus faible, ce qui se traduit par des valeurs de turbidit\u00e9 \u00e9lev\u00e9es dans l&rsquo;\u00e9chantillon. Les fl\u00e8ches bleues indiquent la direction de la lumi\u00e8re.  <\/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-05b608f elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"05b608f\" 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\">M\u00c9THODOLOGIE DE COMPTAGE CELLULAIRE PAR TURBIDIT\u00c9 ET PAR TECHNIQUES DE COLORATION<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b765a6b elementor-widget elementor-widget-heading\" data-id=\"b765a6b\" 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<p class=\"elementor-heading-title elementor-size-default\">Mat\u00e9riel et m\u00e9thodes<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-baeee26 elementor-widget elementor-widget-text-editor\" data-id=\"baeee26\" 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 cellules de Saccharomyces cerevisiae (5 \u00e0 10 \u00b5m) ont \u00e9t\u00e9 cultiv\u00e9es dans un bior\u00e9acteur (<a href=\"https:\/\/www.sartorius.com\/en\/products\/fermentation-bioreactors\/benchtop-bioreactors\/biostat-b?_gl=1*dzzxof*_up*MQ..&amp;gclid=CjwKCAjw-7OlBhB8EiwAnoOEkyL2kNBymV2yGELc9KSmyLWW_BODZo5jZrEa5-9mE9bDhvznnIe9FBoCDHsQAvD_BwE\" target=\"_blank\" rel=\"noopener\">BIOSTAT B ; Sartorius Stedim Biotech, G\u00f6ttingen, Allemagne<\/a>) selon la m\u00e9thode d\u00e9crite dans notre <a href=\"https:\/\/rheolution.com\/application-notes\/measure-yeast-growth-in-a-bioreactor-with-turbidity\/\" target=\"_blank\" rel=\"noopener\">note d&rsquo;application pr\u00e9c\u00e9dente<\/a> (<b>figure 2<\/b>).  <\/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-f3da576 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"f3da576\" 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=\"1210\" height=\"1613\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?fit=1210%2C1613&amp;ssl=1\" class=\"attachment-full size-full wp-image-46527\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?w=1210&amp;ssl=1 1210w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=1152%2C1536&amp;ssl=1 1152w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=900%2C1200&amp;ssl=1 900w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=600%2C800&amp;ssl=1 600w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=450%2C600&amp;ssl=1 450w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=300%2C400&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=150%2C200&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=1200%2C1600&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=56%2C75&amp;ssl=1 56w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?resize=480%2C640&amp;ssl=1 480w\" sizes=\"(max-width:767px) 700px, (max-width:1210px) 100vw, 1210px\" data-attachment-id=\"46527\" data-permalink=\"https:\/\/rheolution.com\/fr\/notes-application\/quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t\/attachment\/fig2_bioreactor-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?fit=1210%2C1613&amp;ssl=1\" data-orig-size=\"1210,1613\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Bioreactor\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig2_Bioreactor.jpg?fit=768%2C1024&amp;ssl=1\" \/>\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\t\t<div class=\"elementor-element elementor-element-1f07934 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1f07934\" 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><b>Figure 2 : <\/b> Montage du bior\u00e9acteur <b>\u00ab <\/b><b> <\/b><b>\u00bb <\/b> destin\u00e9 \u00e0 la culture de levures dans des conditions st\u00e9riles.<\/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-7a021ca elementor-widget elementor-widget-text-editor\" data-id=\"7a021ca\" 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>La levure a \u00e9t\u00e9 ensemenc\u00e9e dans le bior\u00e9acteur \u00e0 partir d&rsquo;une pr\u00e9culture de levure cultiv\u00e9e pr\u00e9alablement pendant une nuit. Un volume de 100 ml a \u00e9t\u00e9 ensemenc\u00e9 afin d&rsquo;obtenir une turbidit\u00e9 initiale de 200 FTU. Apr\u00e8s l\u2019inoculation, des aliquotes st\u00e9riles ont \u00e9t\u00e9 pr\u00e9lev\u00e9es toutes les deux heures et le nombre de cellules (c\u2019est-\u00e0-dire la concentration cellulaire) a \u00e9t\u00e9 d\u00e9termin\u00e9 par la m\u00e9thode de coloration au bleu de m\u00e9thyl\u00e8ne. Cette m\u00e9thode repose sur un colorant, le bleu de m\u00e9thyl\u00e8ne, qui se fixe aux composants cellulaires et les colore en bleu. Ce colorant r\u00e9agit diff\u00e9remment selon qu\u2019il s\u2019agit de cellules viables ou non viables, car il est transform\u00e9 par les cellules vivantes (qui restent incolores) tandis que les cellules mortes restent color\u00e9es en bleu. Les cellules color\u00e9es ont \u00e9t\u00e9 plac\u00e9es sur un <a href=\"https:\/\/en.wikipedia.org\/wiki\/Hemocytometer\" target=\"_blank\" rel=\"noopener\">h\u00e9mocytom\u00e8tre<\/a> (\u00e9galement appel\u00e9 chambre de comptage cellulaire ou chambre de Malassez) et observ\u00e9es au microscope (grossissement x40).      L&rsquo;h\u00e9mocytom\u00e8tre est compos\u00e9 de neuf carr\u00e9s de 1 x 1 mm (1 mm\u00b2). Un volume de 1 \u00b5L a \u00e9t\u00e9 utilis\u00e9 pour chaque mesure.   <\/p><p>La turbidit\u00e9 des solutions a \u00e9t\u00e9 d\u00e9termin\u00e9e \u00e0 l&rsquo;aide du <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">TURBIDI.T\u2122.<\/a> L&rsquo;appareil a \u00e9t\u00e9 \u00e9talonn\u00e9 \u00e0 l&rsquo;aide d&rsquo;\u00e9talons de formazine (1 \u00e0 4 000 FTU). L&rsquo;\u00e9mission et la r\u00e9ception de la lumi\u00e8re ont \u00e9t\u00e9 assur\u00e9es respectivement \u00e0 l&rsquo;aide de <a href=\"https:\/\/rheolution-store.com\/collections\/cartridges\/products\/emitt-850\" target=\"_blank\" rel=\"noopener\">cartouches Emitt.805<\/a> (850 nm) et <a href=\"https:\/\/rheolution-store.com\/collections\/cartridges\/products\/cartridge-receiv-vis\" target=\"_blank\" rel=\"noopener\">de cartouches Receiv.ViS<\/a> (longueur d&rsquo;onde comprise entre 400 nm et 1 000 nm).   Une longueur d&rsquo;onde de 850 nm a \u00e9t\u00e9 utilis\u00e9e, car l&rsquo;effet d&rsquo;absorption de la lumi\u00e8re par l&rsquo;\u00e9chantillon \u00e9tait moindre (donn\u00e9es non pr\u00e9sent\u00e9es). Dans le cadre de ces travaux, nous avons choisi d&rsquo;utiliser des flacons de 10 ml dans lesquels les \u00e9chantillons ont \u00e9t\u00e9 aliquot\u00e9s, puis mesur\u00e9s sur le <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">TURBIDI.T\u2122.<\/a>  Les donn\u00e9es ont \u00e9t\u00e9 collect\u00e9es et affich\u00e9es sur la tablette sur laquelle \u00e9tait install\u00e9e l&rsquo;application Soft Matter Analytics App\u2122.<\/p><p>Le comptage cellulaire et les mesures de turbidit\u00e9 ont \u00e9t\u00e9 effectu\u00e9s en trois exemplaires (n = 3). Les donn\u00e9es sont pr\u00e9sent\u00e9es sous forme de moyenne \u00b1 \u00e9cart-type. La variabilit\u00e9 est d\u00e9finie comme le rapport entre l&rsquo;\u00e9cart-type et la valeur moyenne.  <\/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-270ac45 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"270ac45\" 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\">ANALYSE COMPARATIVE ET CORR\u00c9LATION ENTRE LES INDICATEURS DE TURBIDIT\u00c9 ET DE COMPTAGE CELLULAIRE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-88497d3 elementor-widget elementor-widget-heading\" data-id=\"88497d3\" 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<p class=\"elementor-heading-title elementor-size-default\">R\u00e9sultats et discussion<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a479882 elementor-widget elementor-widget-text-editor\" data-id=\"a479882\" 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 aliquotes cellulaires pr\u00e9lev\u00e9es au cours de la phase de croissance de la culture de levure ont \u00e9t\u00e9 analys\u00e9es par mesure de la turbidit\u00e9 et par comptage cellulaire \u00e0 l\u2019aide d\u2019une chambre de comptage. <b>La figure 3<\/b> pr\u00e9sente l\u2019\u00e9volution dans le temps de ces deux param\u00e8tres, qui augmentent au fil du temps. Le graphique montre que l\u2019\u00e9volution de la turbidit\u00e9 et de la concentration cellulaire suit la m\u00eame tendance, qui est globalement exponentielle. L\u2019augmentation de la concentration cellulaire influe directement sur la turbidit\u00e9 de la culture. Un plus grand nombre de cellules diffuse la lumi\u00e8re et contribue \u00e0 la turbidit\u00e9 globale du milieu.   <\/p><p>Les mesures de turbidit\u00e9 se sont r\u00e9v\u00e9l\u00e9es plus coh\u00e9rentes (avec une variabilit\u00e9 de 3,8 %) par rapport \u00e0 la technique de comptage cellulaire (dont la variabilit\u00e9 s&rsquo;\u00e9levait \u00e0 17,6 %). Cet \u00e9cart peut s\u2019expliquer par des impr\u00e9cisions de comptage li\u00e9es \u00e0 la perception humaine, mais aussi par la diff\u00e9rence de volume d\u2019\u00e9chantillon entre les deux m\u00e9thodes. Alors que le comptage cellulaire utilise 1 \u00b5L d\u2019\u00e9chantillon, l\u2019\u00e9valuation de la turbidit\u00e9 est r\u00e9alis\u00e9e dans cette \u00e9tude \u00e0 partir d\u2019aliquotes de 10 mL. En particulier dans les cas impliquant des volumes de bior\u00e9acteurs plus importants (comme dans notre \u00e9tude, 2 L), un volume d\u2019\u00e9chantillon substantiel contribue \u00e0 une repr\u00e9sentation plus compl\u00e8te des processus en cours au sein de la culture cellulaire, fournissant ainsi une estimation plus pr\u00e9cise.   <\/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-4a63057 e-flex e-con-boxed e-con e-child\" data-id=\"4a63057\" 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-c7a717b e-con-full e-flex e-con e-child\" data-id=\"c7a717b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4341085 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"4341085\" 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=\"1024\" height=\"819\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?fit=1024%2C819&amp;ssl=1\" class=\"attachment-large size-large wp-image-46528\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?w=2001&amp;ssl=1 2001w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?resize=300%2C240&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?resize=1024%2C819&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?resize=768%2C614&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?resize=1536%2C1229&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?resize=1200%2C960&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?resize=94%2C75&amp;ssl=1 94w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?resize=480%2C384&amp;ssl=1 480w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"46528\" data-permalink=\"https:\/\/rheolution.com\/fr\/notes-application\/quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t\/attachment\/fig3a_s-cerevisiae-culture-time-evolution-of-turbidity-3-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?fit=2001%2C1601&amp;ssl=1\" data-orig-size=\"2001,1601\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"S. cerevisiae Culture Turbidity (FTU)\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3A_S.-cerevisiae-culture-time-evolution-of-turbidity.png?fit=1024%2C819&amp;ssl=1\" \/>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1a73cf8 e-con-full e-flex e-con e-child\" data-id=\"1a73cf8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e8d7b76 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"e8d7b76\" 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 loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?fit=1024%2C819&amp;ssl=1\" class=\"attachment-large size-large wp-image-46529\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?w=2001&amp;ssl=1 2001w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?resize=300%2C240&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?resize=1024%2C819&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?resize=768%2C614&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?resize=1536%2C1229&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?resize=1200%2C960&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?resize=94%2C75&amp;ssl=1 94w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?resize=480%2C384&amp;ssl=1 480w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"46529\" data-permalink=\"https:\/\/rheolution.com\/fr\/notes-application\/quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t\/attachment\/fig3b_s-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m-3-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?fit=2001%2C1601&amp;ssl=1\" data-orig-size=\"2001,1601\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"S. cerevisiae Culture &amp;#8211; Cell Concentration\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig3B_S.-cerevisiae-culture-time-evolution-of-cell-concentration-cells-m.png?fit=1024%2C819&amp;ssl=1\" \/>\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\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2137266 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"2137266\" 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>Figure 3<\/strong>: \u00c9volution dans le temps, au cours d&rsquo;une culture <em>de S. cerevisiae<\/em>, de (A) la turbidit\u00e9 (FTU) et de (B) la concentration cellulaire (cellules\/mL), mesur\u00e9es \u00e0 l&rsquo;aide d&rsquo;une chambre de comptage cellulaire.  <\/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-0a6de2e elementor-widget elementor-widget-text-editor\" data-id=\"0a6de2e\" 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><b>La figure 4<\/b> illustre la corr\u00e9lation lin\u00e9aire entre les mesures de turbidit\u00e9 et le comptage des cellules au microscope. La courbe est repr\u00e9sent\u00e9e par l&rsquo;\u00e9quation suivante : <em>y = 32 345x &#8211; 4 894 248<\/em> et pr\u00e9sente un coefficient de d\u00e9termination <em>R\u00b2 = 0,998.<\/em> <\/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-d8b9e93 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"d8b9e93\" 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 loading=\"lazy\" decoding=\"async\" width=\"2001\" height=\"1601\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?fit=2001%2C1601&amp;ssl=1\" class=\"attachment-full size-full wp-image-46530\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?w=2001&amp;ssl=1 2001w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?resize=300%2C240&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?resize=1024%2C819&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?resize=768%2C614&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?resize=1536%2C1229&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?resize=1200%2C960&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?resize=94%2C75&amp;ssl=1 94w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?resize=480%2C384&amp;ssl=1 480w\" sizes=\"(max-width:767px) 700px, (max-width:2001px) 100vw, 2001px\" data-attachment-id=\"46530\" data-permalink=\"https:\/\/rheolution.com\/fr\/notes-application\/quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t\/attachment\/fig4_cell_concentration_turbidity_correlation-3-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?fit=2001%2C1601&amp;ssl=1\" data-orig-size=\"2001,1601\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Cell Number\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig4_Cell_concentration_turbidity_correlation.png?fit=1024%2C819&amp;ssl=1\" \/>\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\t\t<div class=\"elementor-element elementor-element-ad10c80 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"ad10c80\" 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><b>Figure 4 : <\/b><b> <\/b>Corr\u00e9lation entre le nombre de cellules compt\u00e9es \u00e0 l&rsquo;aide d&rsquo;une chambre de comptage et la turbidit\u00e9 mesur\u00e9e \u00e0 l&rsquo;aide de <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">TURBIDI.T\u2122<\/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-dc14e82 elementor-widget elementor-widget-text-editor\" data-id=\"dc14e82\" 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>Il est int\u00e9ressant de noter que des graphiques similaires peuvent \u00eatre cr\u00e9\u00e9s \u00e0 l&rsquo;aide de diff\u00e9rents milieux de culture et types de cellules microbiennes afin de mettre en \u00e9vidence cette corr\u00e9lation. Le graphique ainsi obtenu peut ensuite servir \u00e0 estimer le nombre de cellules pr\u00e9sentes dans un \u00e9chantillon, en \u00e9tablissant simplement une corr\u00e9lation entre la valeur de turbidit\u00e9 mesur\u00e9e avec <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">le TURBIDI.T\u2122<\/a> et le nombre de cellules correspondant.  Cette m\u00e9thode d&rsquo;inf\u00e9rence comprend quatre \u00e9tapes successives (<b>figure 5<\/b>) :<\/p><ol><li>Un \u00e9chantillon dont la concentration en cellules est inconnue est r\u00e9parti en aliquotes dans un ou plusieurs flacons.<\/li><li>Le flacon est plac\u00e9 dans la chambre <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">du TURBIDI.T\u2122<\/a>, puis une mesure est effectu\u00e9e. Les r\u00e9sultats s&rsquo;affichent dans l&rsquo;application Soft Matter Analytics\u2122. <\/li><li>Gr\u00e2ce \u00e0 la courbe de corr\u00e9lation (cellules\/mL en fonction des FTU), les FTU sont associ\u00e9es \u00e0 une densit\u00e9 cellulaire.<\/li><li>La concentration cellulaire est calcul\u00e9e \u00e0 l&rsquo;aide de l&rsquo;\u00e9quation de la courbe.<\/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-2d6846b elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"2d6846b\" 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 loading=\"lazy\" decoding=\"async\" width=\"4801\" height=\"2201\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?fit=4801%2C2201&amp;ssl=1\" class=\"attachment-full size-full wp-image-46531\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?w=4801&amp;ssl=1 4801w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=300%2C138&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=1024%2C469&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=768%2C352&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=1536%2C704&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=2048%2C939&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=1200%2C550&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=150%2C69&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?resize=480%2C220&amp;ssl=1 480w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:4801px) 100vw, 4801px\" data-attachment-id=\"46531\" data-permalink=\"https:\/\/rheolution.com\/fr\/notes-application\/quantifier-la-concentration-cellulaire-a-laide-de-la-methode-turbidi-t\/attachment\/fig5_cell-grow-evolution-3-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?fit=4801%2C2201&amp;ssl=1\" data-orig-size=\"4801,2201\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Method to Estimate Cell Concentration\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Fig5_Cell-grow-evolution.png?fit=1024%2C469&amp;ssl=1\" \/>\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\t\t<div class=\"elementor-element elementor-element-9da589f elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9da589f\" 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><b>Figure 5 : <\/b><b><\/b>Une m\u00e9thode permettant d&rsquo;estimer la concentration cellulaire dans un milieu de culture liquide pr\u00e9sentant une turbidit\u00e9.  <\/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-d6f02eb elementor-widget elementor-widget-heading\" data-id=\"d6f02eb\" 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<p class=\"elementor-heading-title elementor-size-default\">Conclusions et perspectives<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ba2cb0 elementor-widget elementor-widget-text-editor\" data-id=\"6ba2cb0\" 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<div> <\/div><ul><li>La turbidit\u00e9 des cellules de levure dans un milieu de culture liquide peut \u00eatre facilement mesur\u00e9e \u00e0 l&rsquo;aide de l&rsquo;appareil <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">TURBIDI.T\u2122<\/a>, tr\u00e8s simple d&rsquo;utilisation.  <\/li><li>L&rsquo;utilisateur peut choisir diff\u00e9rentes longueurs d&rsquo;onde d&rsquo;\u00e9mission lumineuse sur le <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">TURBIDI.T\u2122<\/a> afin de s&rsquo;adapter au mieux au type et \u00e0 la taille des particules ou des cellules. Dans le cas de solutions color\u00e9es, la longueur d&rsquo;onde de 850 nm s&rsquo;est av\u00e9r\u00e9e \u00eatre la plus pr\u00e9cise, car l&rsquo;absorbance de l&rsquo;\u00e9chantillon n&rsquo;affecte pas les r\u00e9sultats.   <\/li><li>L&rsquo;analyse du comptage cellulaire r\u00e9alis\u00e9e \u00e0 l&rsquo;aide d&rsquo;une chambre de comptage classique pr\u00e9sente une forte corr\u00e9lation avec les valeurs de turbidit\u00e9 (R\u00b2 = 0,998), ce qui d\u00e9montre qu&rsquo;une m\u00e9thode d&rsquo;estimation du nombre de cellules dans un milieu de culture peut \u00eatre facilement mise au point et utilis\u00e9e efficacement.<\/li><li>Les fonctionnalit\u00e9s d&rsquo;acquisition rapide de <a href=\"https:\/\/rheolution.com\/life-sciences\/products\/turbidi-t\/\" target=\"_blank\" rel=\"noopener\">TURBIDI.T\u2122<\/a>, associ\u00e9es \u00e0 l&rsquo;application Soft Matter Analytics\u2122 tr\u00e8s intuitive, permettent de quantifier rapidement les cellules \u00e0 l&rsquo;aide de la turbidit\u00e9 et, au final, de gagner du temps et d&rsquo;\u00e9conomiser des ressources au laboratoire lorsque des mesures de comptage cellulaire de routine sont n\u00e9cessaires.<\/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-a531d3f elementor-align-center elementor-widget elementor-widget-button\" data-id=\"a531d3f\" 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:\/\/rheolution.com\/wp-content\/uploads\/Microbiology_cell_concentration_turbidi_app_notes_2023_v2.pdf\" target=\"_blank\">\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\">Consultez la note d'application compl\u00e8te (PDF) <\/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 class=\"elementor-element elementor-element-1392a8a elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside elementor-widget elementor-widget-slides\" data-id=\"1392a8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;arrows&quot;,&quot;autoplay_speed&quot;:4000,&quot;transition_speed&quot;:4000,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;transition&quot;:&quot;slide&quot;}\" data-widget_type=\"slides.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper\">\n\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\" dir=\"ltr\" data-animation=\"fadeInUp\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-c97f30c swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"TURBIDI.T\u2122\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div><div class=\"elementor-repeater-item-1ae3858 swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"TURBIDI.T\u2122 with Cartridges\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div><div class=\"elementor-repeater-item-909265f swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"TURBIDI.T\u2122 with tablet\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Diapositive pr\u00e9c\u00e9dente\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"Diapositive suivante\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t\t<\/div>\n\t\t\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\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46fcfc0 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"46fcfc0\" 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>Contactez-nous pour obtenir un devis ou en savoir plus<\/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-465b936 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"465b936\" 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:\/\/rheolution.com\/contact\/\">\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\">Contactez-nous pour plus d'informations<\/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 class=\"elementor-element elementor-element-15c84b2 elementor-widget elementor-widget-heading\" data-id=\"15c84b2\" 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<p class=\"elementor-heading-title elementor-size-default\">R\u00e9f\u00e9rences<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f5ec9c elementor-widget elementor-widget-text-editor\" data-id=\"9f5ec9c\" 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>[1]  <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/18601089\/\" target=\"_blank\" rel=\"noopener\">Konstantinov, K. B., Pambayun, R., Matanguihan, R., Yoshida, T., Perusicn, C. M., &amp; Hu, W. S. (1992). On\u2010line monitoring of hybridoma cell growth using a laser turbidity sensor. Biotechnology and bioengineering, 40(11), 1337-1342.  <\/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-edbf670 elementor-widget elementor-widget-heading\" data-id=\"edbf670\" 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<p class=\"elementor-heading-title elementor-size-default\">Articles connexes<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdf4552 premium-blog-cta-full-yes premium-floating-effects-yes premium-disable-fe-yes elementor-widget__width-initial premium-blog-align-left elementor-widget elementor-widget-premium-addon-blog\" data-id=\"fdf4552\" data-element_type=\"widget\" data-e-type=\"widget\" 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https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/web_banner_size.jpg?resize=768%2C288&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/web_banner_size.jpg?resize=260%2C98&amp;ssl=1 260w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/web_banner_size.jpg?resize=50%2C19&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/web_banner_size.jpg?resize=150%2C56&amp;ssl=1 150w\" sizes=\"(max-width:767px) 700px, (max-width:1200px) 100vw, 1200px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesurer-la-taille-des-particules-dans-un-echantillon-liquide\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Comment mesurer la taille des particules dans un \u00e9chantillon liquide \u00e0 l&rsquo;aide de TURBIDI.T\u2122 ?<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\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\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesurer-la-taille-des-particules-dans-un-echantillon-liquide\/\" target=\"_blank\">\n\t\t\t\tComment mesurer la taille des particules dans un \u00e9chantillon liquide \u00e0 l&rsquo;aide de TURBIDI.T\u2122 ?\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">La d\u00e9termination de la taille des particules rev\u00eat une grande importance dans de nombreux domaines, tels que les sciences de la vie (nanom\u00e9decine, administration de m\u00e9dicaments, ing\u00e9nierie tissulaire, bioanalyse), la chimie, les sciences de l'environnement et l'industrie. La turbidim\u00e9trie est une m\u00e9thode rapide et non destructive permettant d'estimer la taille des particules selon une proc\u00e9dure simple \u00e0 suivre.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesurer-la-taille-des-particules-dans-un-echantillon-liquide\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\n\t\t\n\t\t\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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La demande croissante de m\u00e9thodes plus rapides de quantification cellulaire d\u00e9passe le cadre des chambres de comptage traditionnelles, ce qui incite \u00e0 la mise au point de solutions innovantes permettant un comptage pr\u00e9cis tout en r\u00e9duisant le temps n\u00e9cessaire. La turbidit\u00e9, qui refl\u00e8te l&rsquo;opacit\u00e9 d&rsquo;une solution en pr\u00e9sence d&rsquo;\u00e9l\u00e9ments diffusant la lumi\u00e8re, appara\u00eet comme un moyen efficace d&rsquo;acc\u00e9l\u00e9rer la quantification cellulaire.   <\/p>\n","protected":false},"author":195401338,"featured_media":46532,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[285,316,311],"tags":[123,124,121,139,137],"class_list":["post-65462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notes-application","category-turbidi-t-life-sciences","category-turbidit-agrifood","tag-agri-food","tag-life-sciences","tag-microbiology","tag-agri-food-turbidi-t","tag-agri-food-turbidity"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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