{"id":6629,"date":"2020-05-05T15:00:38","date_gmt":"2020-05-05T22:00:38","guid":{"rendered":"https:\/\/depts.washington.edu\/pandemicalliance\/?p=6629"},"modified":"2021-03-16T15:01:32","modified_gmt":"2021-03-16T22:01:32","slug":"effect-of-ethanol-cleaning-on-the-permeability-of-ffp2-mask","status":"publish","type":"post","link":"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/05\/effect-of-ethanol-cleaning-on-the-permeability-of-ffp2-mask\/","title":{"rendered":"Effect of Ethanol Cleaning on the Permeability of FFP2 Mask"},"content":{"rendered":"<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"34\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">The effect of ethanol on the filtering properties of FFP2 masks was tested<\/span><span data-contrast=\"auto\">.\u00a0<\/span><span data-contrast=\"auto\">\u00a0The filtering properties of a mask are related to the size and tortuosity of the pores of the filter<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">and are quantified by its\u00a0<\/span><span data-contrast=\"auto\">permeability; damage<\/span><span data-contrast=\"auto\">\u00a0to the filter will change its permeability.\u00a0 After six cleaning cycles, the permeability remains very close to the permeability before cleaning<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"auto\">\u00a0suggesting\u00a0<\/span><span data-contrast=\"auto\">that ethanol could be used to sanitize a FFP2 mask without significantly altering its filtering properties.<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><i><span data-contrast=\"none\">Lenormand<\/span><\/i><i><span data-contrast=\"none\">. (<\/span><\/i><i><span data-contrast=\"none\">May 5<\/span><\/i><i><span data-contrast=\"none\">a<\/span><\/i><i><span data-contrast=\"none\">,\u00a0<\/span><\/i><i><span data-contrast=\"none\">2020). Effect of Ethanol Cleaning on the Permeability of FFP2 Mask.\u00a0<\/span><\/i><i><span data-contrast=\"none\">Preprint downloaded May 5 from\u00a0<\/span><\/i><i><span data-contrast=\"none\">Medrxiv<\/span><\/i><i><span data-contrast=\"none\">.\u00a0<\/span><\/i><a href=\"https:\/\/doi.org\/10.1101\/2020.04.28.20083840\"><i><span data-contrast=\"none\">https:\/\/doi.org\/10.1101\/2020.04.28.20083840<\/span><\/i><\/a><i><span data-contrast=\"none\">\u00a0<\/span><\/i><span data-ccp-props=\"{&quot;134233279&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The effect of ethanol on the filtering properties of FFP2 masks was tested.\u00a0\u00a0The filtering properties of a mask are related to the size and tortuosity of the pores of the filter\u00a0and are quantified by its\u00a0permeability; damage\u00a0to the filter will change its permeability.\u00a0 After six cleaning cycles, the permeability remains very close to the permeability before&#8230;<\/p>\n<div><a class=\"more\" href=\"https:\/\/depts.washington.edu\/pandemicalliance\/2020\/05\/05\/effect-of-ethanol-cleaning-on-the-permeability-of-ffp2-mask\/\">Read more<\/a><\/div>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[],"topic":[22],"class_list":["post-6629","post","type-post","status-publish","format-standard","hentry","category-article-summary","topic-non-pharmaceutical-interventions"],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/comments?post=6629"}],"version-history":[{"count":1,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6629\/revisions"}],"predecessor-version":[{"id":6630,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/posts\/6629\/revisions\/6630"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/media?parent=6629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/categories?post=6629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/tags?post=6629"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/depts.washington.edu\/pandemicalliance\/wp-json\/wp\/v2\/topic?post=6629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}