{"id":5909,"date":"2020-03-17T16:56:47","date_gmt":"2020-03-17T20:56:47","guid":{"rendered":"https:\/\/www.porex.com\/?p=5909"},"modified":"2023-06-15T13:28:09","modified_gmt":"2023-06-15T17:28:09","slug":"wicking-plays-a-key-role-in-diagnostics-and-healthcare","status":"publish","type":"post","link":"https:\/\/www.porex.cn\/en\/resource-type\/articles\/wicking-plays-a-key-role-in-diagnostics-and-healthcare\/","title":{"rendered":"Wicking Plays a Key Role in Diagnostics and Healthcare"},"content":{"rendered":"\n<p><em>Mar.11, 2020<\/em><\/p>\n\n\n\n<p><em>W<\/em><em>icking<\/em>, or <em>capillarity<\/em>\nis the ability of liquids to flow through very narrow openings. The flow motion\noccurs without the assistance of external forces, and is generally against\ngravity. If the diameter of the opening is extremely small, the surface tension\nof the opening\u2019s wall, and the adhesive forces between the liquid and the wall\nare sufficient enough to drive the liquid forward. A famous example of <em>capillarity<\/em>\nis how water and nutrients flow all the way to the top of a tree. \n\nLateral Flow Assay\n(LFA) is a simple diagnostic method used to detect the presence or absence of a\ntarget analyte such as a pathogen, contaminants, or biomarkers in a human or\nanimal body. Blood glucose tests, HIV tests, and pregnancy tests are examples\nof commonly used LFAs. It is nearly impossible to explain how an LFA functions,\nwithout using the words \u201c<em>wicking<\/em>\u201d, or \u201c<em>capillarity<\/em>\u201d. In an LFA,\nwhen a sample is placed at one end of the test strip, the liquid passively\nflowing to the other end is termed the \u201ccapillary flow rate.\u201d This passive\ntransport of liquid within the micro porous structure can be manipulated by\ntweaking design parameters of the porous strip, which allows for point of care\n(POC) devices to be low-cost, convenient to use, and quick to provide results. The\ncapillary flow properties of the porous material used in the test device\n(whether it is sintered particles, bonded fiber, or other porous media) dictate\nthe assay sensitivity, specificity, and test line consistency. The test could\neasily yield faulty results due to poor <em>wicking<\/em>, which in return leads\nto misdiagnosis and eventually improper medical treatment routes. So, it is\nneedless to explicitly state how <em>wicking<\/em> is an important phenomena in devices\nutilized in the diagnostics and healthcare fields.\n\n\n\n<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.youtube.com\/watch?reload=9&#038;v=zX7lzFGjAyw\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Wicking, or capillarity is the ability of liquids to flow through very narrow openings. The flow motion occurs without the assistance of external forces, and is generally against gravity. If the diameter of the opening is extremely small, the surface tension of the opening\u2019s wall, and the adhesive forces between the liquid and the wall are sufficient enough to drive  . . . <\/p>\n","protected":false},"author":5,"featured_media":28521,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,198,202,195],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>developer and manufacturer of porous plastics | porous PTFE | porous polymer fiber<\/title>\n<meta name=\"description\" content=\"Porex Filtration group is the developer and manufacturer of porous plastics, porous PTFE and porous polymer fiber, glass fiber and solvent support membranes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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