{"id":4495,"date":"2014-11-28T10:00:38","date_gmt":"2014-11-28T16:00:38","guid":{"rendered":"https:\/\/www.coleparmer.com\/blog\/?p=4495"},"modified":"2019-09-24T11:18:55","modified_gmt":"2019-09-24T17:18:55","slug":"how-do-you-measure-the-growth-of-biological-agents","status":"publish","type":"post","link":"https:\/\/www.coleparmer.com\/blog\/how-do-you-measure-the-growth-of-biological-agents\/","title":{"rendered":"How Do You Measure the Growth of Biological Agents?"},"content":{"rendered":"<p>In <a href=\"https:\/\/www.coleparmer.com\/Category\/Microbiology\/14841\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">microbioloogy<\/a>, use cell density photometers to measure the growth rates of E. coli, yeast cells, and other biological agents. These portable cell density meters analyze samples as small as 20\u00b5L and are compact enough to place inside incubation chambers, anaerobic compartments, or other environmentally controlled areas. They are dedicated to measuring cell densities in suspension.<\/p>\n<p><strong>How Cell Density Photometers Work<\/strong><\/p>\n<div id=\"attachment_4497\" style=\"width: 210px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.coleparmer.com\/Product\/Cuvette_sample_site_cell_density_photometer_DSM_cuvette_universal_power_supply\/EW-39459-10?referred_id=5618\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4497\" class=\"wp-image-4497\" src=\"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2014\/11\/cell-density-photometer.gif\" alt=\"Cuvette Sample Site Cell Density Photometer\" width=\"200\" height=\"200\"><\/a><p id=\"caption-attachment-4497\" class=\"wp-caption-text\">Cuvette Sample Site Cell Density Photometer<\/p><\/div>\n<p>The photometers measure % transmission (% T) and logarithmic transmission absorption (Abs), and include an intervalometer for time-lapse recording. A 600 nm LED light focuses on the sample through fiber optic cables to get readings quickly.<\/p>\n<p>Built-in controls operate the meter along with a touch-screen panel that offers various functions. For further analysis, data can be extracted and downloaded to a computer.<\/p>\n<p><em>View our selection of <\/em><a href=\"https:\/\/www.coleparmer.com\/Category\/Cell_Density_Photometers\/62481?referred_id=5618\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><em>cell density photometers<\/em><\/a><em>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In microbioloogy, use cell density photometers to measure the growth rates of E. coli, yeast cells, and other biological agents. These portable cell density meters analyze samples as small as 20\u00b5L and are compact enough&#8230;<\/p>\n","protected":false},"author":20,"featured_media":4497,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[249],"class_list":["post-4495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-for-the-lab","tag-cell-density-photometer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Do You Measure the Growth of Biological Agents? | from Cole-Parmer Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Do You Measure the Growth of Biological Agents? | from Cole-Parmer Blog\" \/>\n<meta property=\"og:description\" content=\"In microbioloogy, use cell density photometers to measure the growth rates of E. coli, yeast cells, and other biological agents. These portable cell density meters analyze samples as small as 20\u00b5L and are compact enough...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/\" \/>\n<meta property=\"og:site_name\" content=\"Cole-Parmer Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/antylia\" \/>\n<meta property=\"article:published_time\" content=\"2014-11-28T16:00:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-09-24T17:18:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/www.coleparmer.de\/blog\/wp-content\/uploads\/2014\/11\/cell-density-photometer.gif?fit=250%2C250&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"250\" \/>\n\t<meta property=\"og:image:height\" content=\"250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\n<meta name=\"author\" content=\"Cole-Parmer Blog Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@antylia\" \/>\n<meta name=\"twitter:site\" content=\"@antylia\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Cole-Parmer Blog Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How Do You Measure the Growth of Biological Agents? | from Cole-Parmer Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/","og_locale":"en_US","og_type":"article","og_title":"How Do You Measure the Growth of Biological Agents? | from Cole-Parmer Blog","og_description":"In microbioloogy, use cell density photometers to measure the growth rates of E. coli, yeast cells, and other biological agents. These portable cell density meters analyze samples as small as 20\u00b5L and are compact enough...","og_url":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/","og_site_name":"Cole-Parmer Blog","article_publisher":"https:\/\/www.facebook.com\/antylia","article_published_time":"2014-11-28T16:00:38+00:00","article_modified_time":"2019-09-24T17:18:55+00:00","og_image":[{"width":250,"height":250,"url":"https:\/\/i0.wp.com\/www.coleparmer.de\/blog\/wp-content\/uploads\/2014\/11\/cell-density-photometer.gif?fit=250%2C250&ssl=1","type":"image\/gif"}],"author":"Cole-Parmer Blog Team","twitter_card":"summary_large_image","twitter_creator":"@antylia","twitter_site":"@antylia","twitter_misc":{"Written by":"Cole-Parmer Blog Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#article","isPartOf":{"@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/"},"author":{"name":"Cole-Parmer Blog Team","@id":"https:\/\/www.coleparmer.com\/blog\/#\/schema\/person\/bd8d004d4d77d6b31800fa11177c6da9"},"headline":"How Do You Measure the Growth of Biological Agents?","datePublished":"2014-11-28T16:00:38+00:00","dateModified":"2019-09-24T17:18:55+00:00","mainEntityOfPage":{"@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/"},"wordCount":149,"commentCount":0,"publisher":{"@id":"https:\/\/www.coleparmer.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#primaryimage"},"thumbnailUrl":"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2014\/11\/cell-density-photometer.gif","keywords":["Cell density Photometer"],"articleSection":["For the Lab"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/","url":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/","name":"How Do You Measure the Growth of Biological Agents? | from Cole-Parmer Blog","isPartOf":{"@id":"https:\/\/www.coleparmer.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#primaryimage"},"image":{"@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#primaryimage"},"thumbnailUrl":"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2014\/11\/cell-density-photometer.gif","datePublished":"2014-11-28T16:00:38+00:00","dateModified":"2019-09-24T17:18:55+00:00","breadcrumb":{"@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#primaryimage","url":"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2014\/11\/cell-density-photometer.gif","contentUrl":"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2014\/11\/cell-density-photometer.gif","width":250,"height":250,"caption":"Cuvette Sample Site Cell Density Photometer"},{"@type":"BreadcrumbList","@id":"https:\/\/www.coleparmer.de\/blog\/how-do-you-measure-the-growth-of-biological-agents\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.coleparmer.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How Do You Measure the Growth of Biological Agents?"}]},{"@type":"WebSite","@id":"https:\/\/www.coleparmer.com\/blog\/#website","url":"https:\/\/www.coleparmer.com\/blog\/","name":"Cole-Parmer Blog","description":"","publisher":{"@id":"https:\/\/www.coleparmer.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.coleparmer.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.coleparmer.com\/blog\/#organization","name":"Antylia Scientific","url":"https:\/\/www.coleparmer.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.coleparmer.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/www.coleparmer.co.uk\/blog\/wp-content\/uploads\/2021\/02\/AntyliaScientific_CMYK.jpg?fit=400%2C107&ssl=1","contentUrl":"https:\/\/i0.wp.com\/www.coleparmer.co.uk\/blog\/wp-content\/uploads\/2021\/02\/AntyliaScientific_CMYK.jpg?fit=400%2C107&ssl=1","width":400,"height":107,"caption":"Antylia Scientific"},"image":{"@id":"https:\/\/www.coleparmer.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/antylia","https:\/\/x.com\/antylia","https:\/\/www.linkedin.com\/company\/antylia\/","https:\/\/www.youtube.com\/channel\/UC41i86hGEGhQhM1KMqrDnZg"]},{"@type":"Person","@id":"https:\/\/www.coleparmer.com\/blog\/#\/schema\/person\/bd8d004d4d77d6b31800fa11177c6da9","name":"Cole-Parmer Blog Team","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.coleparmer.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/34e3e6aa661d0e443fb9050a9175a092?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/34e3e6aa661d0e443fb9050a9175a092?s=96&d=mm&r=g","caption":"Cole-Parmer Blog Team"},"url":"https:\/\/www.coleparmer.com\/blog\/author\/donna-donahue\/"}]}},"_links":{"self":[{"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/posts\/4495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/comments?post=4495"}],"version-history":[{"count":1,"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/posts\/4495\/revisions"}],"predecessor-version":[{"id":10036,"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/posts\/4495\/revisions\/10036"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/media\/4497"}],"wp:attachment":[{"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/media?parent=4495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/categories?post=4495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.coleparmer.com\/blog\/wp-json\/wp\/v2\/tags?post=4495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}