About: Heat-based Decontamination of N95 Masks Using a Commercial Laundry Dryer

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Heat-based Decontamination of N95 Masks Using a Commercial Laundry Dryer
Creator	Prakash, Manu Bradley, Amanda Brooks, Bill Engelschenschilt, Alain Lensky, Yuri »more»
source	MedRxiv
abstract	We propose a dry heat method for decontaminating N95 masks of SARS-CoV-2, designed around placing them in resealable plastic bags, packed in large cardboard boxes installed at the rear end of commercial laundry dryers. Our protocol rests on data collected in collaboration with Alliance Laundry Systems (ALS) and the CDC/NIOSH laboratories, under the %22NPPTL Respirator Assess- ments to Support the COVID-19 Response%22 initiative. We test the two most widely available ALS tumbler models, the UTF75N and UT075N, and show that if our procedure is carefully followed, the masks will be subject to suitably high and stable temperatures for decontamination; in particular the masks will be heated to at least 80C for at least 65 min. For the mask models 3M 1860, 3M 8511, and Halyard 62126, we establish that they pass quantitative fit tests and retain sufficient filtration performance after three cycles of our decontamination procedure. All masks used in this study were new and uncontaminated: the evidence for the levels of biological inactivation of SARS-CoV-2 is provided by [1]. While the protocol outlined here is currently specific to certain tested dryer models, this equipment is widely available, with machines estimated to be within 15 minutes of most US hospitals. Models from other manufacturers may also be appropriate for this decontamination method, though we stress the need for explicit testing on alternative models before use.
has issue date	2020-07-24(xsd:dateTime)
bibo:doi	10.1101/2020.07.22.20160283
has license	medrxiv
sha1sum (hex)	8fed79744f825002c1294841a9cfb2e15cb1d62c
schema:url	https://doi.org/10.1101/2020.07.22.20160283
resource representing a document's title	Heat-based Decontamination of N95 Masks Using a Commercial Laundry Dryer
resource representing a document's body	covid:8fed79744f825002c1294841a9cfb2e15cb1d62c#body_text
is schema:about of	named entity 'commercial' named entity 'temperatures' named entity 'hospitals' named entity 'evidence' named entity 'cycles' »more»

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