{"id":787,"date":"2020-05-14T12:59:33","date_gmt":"2020-05-14T07:29:33","guid":{"rendered":"http:\/\/www.potentialloops.org\/?p=787"},"modified":"2020-05-14T12:59:35","modified_gmt":"2020-05-14T07:29:35","slug":"durable-washable-textile-coating-can-repel-viruses","status":"publish","type":"post","link":"https:\/\/www.potentialloops.org\/?p=787","title":{"rendered":"Durable, washable textile coating can repel viruses"},"content":{"rendered":"\n

New research could lead to safely reusable PPE <\/h4>\n\n\n\n

Date: May 13, 2020 <\/p>\n\n\n\n

Source 1: University of Pittsburgh <\/p>\n\n\n\n

Source 2: www.sciencedaily.com <\/a><\/p>\n\n\n\n

Summary: Researchers have created a textile coating that can not only repel liquids like blood and saliva but can also prevent viruses from adhering to the surface. <\/p>\n\n\n\n

Masks, gowns, and other personal protective \nequipment (PPE) are essential for protecting healthcare workers. \nHowever, the textiles and materials used in such items can absorb and \ncarry viruses and bacteria, inadvertently spreading the disease the \nwearer sought to contain.<\/p>\n\n\n\n

When the coronavirus spread amongst healthcare professionals and left\n PPE in short supply, finding a way to provide better protection while \nallowing for the safe reuse of these items became paramount.<\/p>\n\n\n\n

Research from the LAMP Lab at the University of Pittsburgh Swanson \nSchool of Engineering may have a solution. The lab has created a textile\n coating that can not only repel liquids like blood and saliva but can \nalso prevent viruses from adhering to the surface. The work was recently\n published in the journal ACS Applied Materials and Interfaces<\/em>.<\/p>\n\n\n\n

“Recently there’s been focus on blood-repellent surfaces, and we were\n interested in achieving this with mechanical durability,” said Anthony \nGalante, PhD student in industrial engineering at Pitt and lead author \nof the paper. “We want to push the boundary on what is possible with \nthese types of surfaces, and especially given the current pandemic, we \nknew it’d be important to test against viruses.”<\/p>\n\n\n\n

What makes the coating unique is its ability to withstand ultrasonic \nwashing, scrubbing and scraping. With other similar coatings currently \nin use, washing or rubbing the surface of the textile will reduce or \neliminate its repellent abilities.<\/p>\n\n\n\n

“The durability is very important because there are other surface \ntreatments out there, but they’re limited to disposable textiles. You \ncan only use a gown or mask once before disposing of it,” said Paul Leu,\n co-author and associate professor of industrial engineering, who leads \nthe LAMP Lab. “Given the PPE shortage, there is a need for coatings that\n can be applied to reusable medical textiles that can be properly washed\n and sanitized.”<\/p>\n\n\n\n

Galante put the new coating to the test, running it through tens of \nultrasonic washes, applying thousands of rotations with a scrubbing pad \n(not unlike what might be used to scour pots and pans), and even \nscraping it with a sharp razor blade. After each test, the coating \nremained just as effective.<\/p>\n\n\n\n

The researchers worked with the Charles T. Campbell Microbiology \nLaboratory’s Research Director Eric Romanowski and Director of Basic \nResearch Robert Shanks, in the Department of Ophthalmology at Pitt, to \ntest the coating against a strain of adenovirus.<\/p>\n\n\n\n

“As this fabric was already shown to repel blood, protein and \nbacteria, the logical next step was to determine whether it repels \nviruses. We chose human adenovirus types 4 and 7, as these are causes of\n acute respiratory disease as well as conjunctivitis (pink eye),” said \nRomanowski. “It was hoped that the fabric would repel these viruses \nsimilar to how it repels proteins, which these viruses essentially are: \nproteins with nucleic acid inside. As it turned out, the adenoviruses \nwere repelled in a similar way as proteins.”<\/p>\n\n\n\n

The coating may have broad applications in healthcare: everything \nfrom hospital gowns to waiting room chairs could benefit from the \nability to repel viruses, particularly ones as easily spread as \nadenoviruses.<\/p>\n\n\n\n

“Adenovirus can be inadvertently picked up in hospital waiting rooms \nand from contaminated surfaces in general. It is rapidly spread in \nschools and homes and has an enormous impact on quality of life — \nkeeping kids out of school and parents out of work,” said Shanks. “This \ncoating on waiting room furniture, for example, could be a major step \ntowards reducing this problem.”<\/p>\n\n\n\n

The next step for the researchers will be to test the effectiveness \nagainst betacoronaviruses, like the one that causes COVID-19.<\/p>\n\n\n\n

“If the treated fabric would repel betacornonaviruses, and in \nparticular SARS-CoV-2, this could have a huge impact for healthcare \nworkers and even the general public if PPE, scrubs, or even clothing \ncould be made from protein, blood-, bacteria-, and virus-repelling \nfabrics,” said Romanowski.<\/p>\n\n\n\n

At the moment, the coating is applied using drop casting, a method \nthat saturates the material with a solution from a syringe and applies a\n heat treatment to increase stability. But the researchers believe the \nprocess can use a spraying or dipping method to accommodate larger \npieces of material, like gowns, and can eventually be scaled up for \nproduction.<\/p>\n\n\n\n

\n\n\n\n

Story Source:<\/strong><\/p>\n\n\n\n

Materials<\/a> provided by University of Pittsburgh<\/strong><\/a>. Note: Content may be edited for style and length.<\/em><\/p>\n\n\n\n

www.sciencedaily.com<\/a><\/p>\n\n\n\n

\n\n\n\n

Journal Reference<\/strong>:<\/p>\n\n\n\n

  1. Anthony J. Galante, Sajad Haghanifar, Eric G. Romanowski, Robert M. Q. Shanks, Paul W. Leu. Superhemophobic and Antivirofouling Coating for Mechanically Durable and Wash-Stable Medical Textiles<\/strong>. ACS Applied Materials & Interfaces<\/em>, 2020; 12 (19): 22120 DOI: 10.1021\/acsami.9b23058<\/a>\n<\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"

    New research could lead to safely reusable PPE Date: May 13, 2020 Source 1: University of Pittsburgh Source 2: www.sciencedaily.com Summary: Researchers have created a textile coating that can not only repel liquids like blood and saliva but can also prevent viruses from adhering to the surface. Masks, gowns, and other personal protective equipment (PPE) […]<\/p>\n","protected":false},"author":1,"featured_media":788,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[35],"tags":[31,131,136,134,135,133,137,132],"class_list":["post-787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coronavirus","tag-covid-19","tag-durable","tag-healthcare","tag-new-research","tag-protective","tag-repel","tag-safety","tag-washable"],"aioseo_notices":[],"yoast_head":"\nDurable, washable textile coating can repel viruses -<\/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.potentialloops.org\/?p=787\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Durable, washable textile coating can repel viruses -\" \/>\n<meta property=\"og:description\" content=\"New research could lead to safely reusable PPE Date: May 13, 2020 Source 1: University of Pittsburgh Source 2: www.sciencedaily.com Summary: Researchers have created a textile coating that can not only repel liquids like blood and saliva but can also prevent viruses from adhering to the surface. 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