{"id":650,"date":"2021-01-25T16:39:29","date_gmt":"2021-01-25T11:09:29","guid":{"rendered":"https:\/\/www.kewaunee.in\/blog\/?p=650"},"modified":"2025-03-19T17:26:22","modified_gmt":"2025-03-19T11:56:22","slug":"a-quick-primer-on-laminar-flow-hood","status":"publish","type":"post","link":"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/","title":{"rendered":"A Primer on Laminar Flow Hood"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1594037823219{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 40px !important;padding-bottom: 40px !important;}&#8221;][vc_column][vc_row_inner][vc_column_inner]<h1 class=\"boc_heading  al_left  \"  style=\"margin-bottom: 20px;margin-top: 0px;color: #333;\"><span>A Primer on Laminar Flow Hood<\/span><\/h1>[vc_column_text css=&#8221;.vc_custom_1611984520743{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 20px !important;padding-bottom: 10px !important;}&#8221;]<\/p>\r\n<p><a href=\"https:\/\/www.kewaunee.in\/laminar-flow-hood.php\" target=\"_blank\" rel=\"noopener\">Laminar flow hoods<\/a> are enclosed benched designed carefully to prevent contamination of biological samples, semiconductor wafers, or any particle sensitive materials. Air is drawn through a HEPA filter and blown in a smooth\u00a0laminar flow\u00a0towards the user. Hence the name, laminar flow hood.<\/p>\r\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1611573166364{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 20px !important;padding-bottom: 10px !important;}&#8221;]<\/p>\r\n<p><strong>TYPES OF LAMINAR HOOD<\/strong><\/p>\r\n<p>Before you commission a laminar flow hood, you must decide if you prefer a vertical or horizontal air flow in the working or the flasking area. There are two types of laminar flow hoods:<\/p>\r\n<ul>\r\n<li><strong>Vertical laminar flow hood: <\/strong>In a vertical flow the air moves from the top of the working area to the bottom, through the HEPA or ULPA filters<\/li>\r\n<li><strong>Horizontal laminar flow hood:<\/strong> In a horizontal flow the air moves from the back of the working area to the front, through the HEPA or ULPA filters<\/li>\r\n<\/ul>\r\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1742385378055{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 20px !important;padding-bottom: 10px !important;}&#8221;]<\/p>\r\n<p><strong>HOW DOES LAMINAR AIR FLOW WORK?<\/strong><\/p>\r\n<p>A laminar flow unit creates dust free abacterial air environment. Air from the room passes through the HEPA (High Efficiency Particulate Absorbing) filters and is fed into the working chamber by a unidirectional vertical descending flow (vertical hood) or horizontal flow (horizontal hood).<\/p>\r\n<p><strong>WHAT IS HEPA FILTER IN LAMINAR AIR FLOW?<\/strong><\/p>\r\n<p>Laminar air flow systems equipped with HEPA (High-Efficiency Particulate Air) filters remove 99.97% of particles &amp;gt; 0.3 \u03bcm.<\/p>\r\n<p><strong>WHICH UV IS USED IN LAMINAR AIR FLOW?<\/strong><\/p>\r\n<p>Typically, UV sources are used in the biological experiments. Germicidal lamps emit radiation almost exclusively in the far-UV range of 254 nm and are commonly used in laminar air flow hoods and should be treated with extreme caution.<\/p>\r\n<p>Also Check: <span data-sheets-root=\"1\"><a class=\"in-cell-link\" href=\"https:\/\/www.kewaunee.in\/esg-consulting.php\" target=\"_blank\" rel=\"noopener\">esg consulting<\/a><\/span><\/p>\r\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1611573436815{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 20px !important;padding-bottom: 10px !important;}&#8221;]<\/p>\r\n<p><strong>PRECAUTIONS BEFORE USING A LAMINAR FLOW HOOD<\/strong><\/p>\r\n<p>Before you start working in your laminar flow hood you should consider the following actions.<\/p>\r\n<ul>\r\n<li>Turn on the blower and wipe out the sterile area with an alcohol-soaked piece of paper.<\/li>\r\n<li>Let the blower run continuously for 10 minutes.<\/li>\r\n<li>When this time has passed repeat the wipe out of the sterile area with an alcohol-soaked piece of paper.<\/li>\r\n<\/ul>\r\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1611573430592{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 20px !important;padding-bottom: 10px !important;}&#8221;]<\/p>\r\n<p><strong>HOW DO YOU CLEAN A VERTICAL LAMINAR AIR FLOW HOOD?<\/strong><\/p>\r\n<ul>\r\n<li>Clean the back wall (of a vertical laminar flow hood) next, going from top to bottom.<\/li>\r\n<li>Clean the sides (swiping from top to bottom in overlapping lines).<\/li>\r\n<li>The work surface should be the last surface cleaned, beginning in the back, and ending at the front of the unit.<\/li>\r\n<\/ul>\r\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\r\n<!-- \/wp:shortcode -->\r\n<p><!-- wp:shortcode -->[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\r\n<p><!-- \/wp:shortcode -->[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\r\n<!-- \/wp:shortcode -->\r\n<p><!-- wp:paragraph -->[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\r\n<p><!-- \/wp:paragraph -->[\/vc_column_text][\/vc_column][\/vc_row]<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1594037823219{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 40px !important;padding-bottom: 40px !important;}&#8221;][vc_column][vc_row_inner][vc_column_inner][vc_column_text css=&#8221;.vc_custom_1611984520743{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 20px !important;padding-bottom: 10px !important;}&#8221;] Laminar flow hoods are enclosed benched designed carefully to prevent contamination of biological samples, semiconductor wafers, or any particle sensitive materials. Air is drawn through a HEPA filter and blown in a smooth\u00a0laminar flow\u00a0towards the user. Hence the<\/p>\n<div class=\"h10\"><\/div>\n<p><a class=\"more-link1\" href=\"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":658,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,58,65,21,63],"tags":[82,53,83],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A Primer on Laminar Flow Hood -<\/title>\n<meta name=\"description\" content=\"Laminar flow hoods are enclosed benched designed carefully to prevent contamination of biological samples, semiconductor wafers, or any particle sensitive materials.\" \/>\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.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Primer on Laminar Flow Hood -\" \/>\n<meta property=\"og:description\" content=\"Laminar flow hoods are enclosed benched designed carefully to prevent contamination of biological samples, semiconductor wafers, or any particle sensitive materials.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-25T11:09:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-19T11:56:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kewaunee.in\/blog\/wp-content\/uploads\/2021\/01\/Inteceptor-Laminar-Flow-Cabinet-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Kewaunee International Group\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kewaunee International Group\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/\",\"url\":\"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/\",\"name\":\"A Primer on Laminar Flow Hood -\",\"isPartOf\":{\"@id\":\"https:\/\/www.kewaunee.in\/blog\/#website\"},\"datePublished\":\"2021-01-25T11:09:29+00:00\",\"dateModified\":\"2025-03-19T11:56:22+00:00\",\"author\":{\"@id\":\"https:\/\/www.kewaunee.in\/blog\/#\/schema\/person\/8984b794f6a03b8701a044f24c072f1a\"},\"description\":\"Laminar flow hoods are enclosed benched designed carefully to prevent contamination of biological samples, semiconductor wafers, or any particle sensitive materials.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kewaunee.in\/blog\/a-quick-primer-on-laminar-flow-hood\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kewaunee.in\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A Primer on Laminar Flow Hood\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kewaunee.in\/blog\/#website\",\"url\":\"https:\/\/www.kewaunee.in\/blog\/\",\"name\":\"\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kewaunee.in\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.kewaunee.in\/blog\/#\/schema\/person\/8984b794f6a03b8701a044f24c072f1a\",\"name\":\"Kewaunee International Group\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.kewaunee.in\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ef98529dacaa04a728210d20f23a4522?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ef98529dacaa04a728210d20f23a4522?s=96&d=mm&r=g\",\"caption\":\"Kewaunee International Group\"},\"description\":\"Kewaunee, the global leader in total laboratory solutions, empowers organisations to achieve competitive advantage through safe, efficient, and contemporary laboratories. 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