About: A scalable method of applying heat and humidity for decontamination of N95 respirators during the COVID-19 crisis

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About: A scalable method of applying heat and humidity for decontamination of N95 respirators during the COVID-19 crisis Goto Sponge NotDistinct Permalink

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
has title	A scalable method of applying heat and humidity for decontamination of N95 respirators during the COVID-19 crisis
Creator	Chu, Steven Cui, Yi Liao, Lei Xiao, Wang Doyle, John Id, Loïc Id, Ngooi Meisenhelder Id, Cole Oan, Chiu
Source	Medline; PMC
abstract	A lack of N95 Filtering Facepiece Respirators (FFRs) during the COVID-19 crisis has placed healthcare workers at risk. It is important for any N95 reuse strategy to determine the effects that proposed protocols would have on the physical functioning of the mask, as well as the practical aspects of implementation. Here we propose and implement a method of heating N95 respirators with moisture (85°C, 60-85% humidity). We test both mask filtration efficiency and fit to validate this process. Our tests focus on the 3M 1860, 3M 1870, and 3M 8210 Plus N95 models. After five cycles of the heating procedure, all three respirators pass both quantitative fit testing (score of >100) and show no degradation of mask filtration efficiency. We also test the Chen Heng V9501 KN95 and HKYQ N95 finding no degradation of mask filtration efficiency, however even for unheated masks these scored <50 for every fit test. The heating method presented here is scalable from individual masks to over a thousand a day with a single industrial convection oven, making this method practical for local application inside health-care facilities.
has issue date	2020-07-01(xsd:dateTime)
bibo:doi	10.1371/journal.pone.0234851
bibo:pmid	32609741
has license	cc-by
sha1sum (hex)	82a578c41698fde3b3114c4d14896213e3af1b8a
schema:url	https://doi.org/10.1371/journal.pone.0234851
resource representing a document's title	A scalable method of applying heat and humidity for decontamination of N95 respirators during the COVID-19 crisis
has PubMed Central identifier	PMC7329057
has PubMed identifier	32609741
schema:publication	PLoS One
resource representing a document's body	covid:82a578c41698fde3b3114c4d14896213e3af1b8a#body_text
is schema:about of	named entity 'score' named entity 'humidity' named entity 'effects' named entity 'mask' named entity 'industrial' named entity 'degradation' named entity 'After' named entity 'convection oven' named entity 'risk' named entity 'focus' named entity 'COVID-19' named entity 'N95' named entity 'efficiency' named entity 'CARE' named entity 'PROPOSED' named entity 'SCORED' named entity 'RESPIRATORS' named entity 'PROTOCOLS' named entity 'COVID-19' named entity 'efficiency' named entity 'health-care' named entity 'fit' named entity 'local' named entity 'N95' named entity 'fit' named entity 'mask' named entity 'respirators' named entity 'scalable' named entity 'moisture' named entity 'fit test' named entity 'care facilities' named entity 'N95' named entity 'FFRs' named entity 'determine' named entity 'paper towel' named entity 'shelf life' named entity 'pressure drop' named entity 'humidity' named entity 'fit tested' named entity 'FFRs' named entity 'electrostatic charge' named entity 'SARS-CoV-2' named entity 'COVID-19' named entity 'cross contamination' named entity 'H5N1' named entity 'N95' named entity 'humidity' named entity 'N95' named entity 'Medical Device' named entity '40 minutes' named entity 'control group' named entity 'elasticity' named entity 'fit factors' named entity 'pm2.5' named entity '3, 4' named entity 'lungs' named entity 'H1N1' named entity 'OSHA' named entity 'N95' named entity 'Respirator' named entity 'thermometer' named entity 'humidity' named entity 'FFRs' named entity 'humidity' named entity 'sensor' named entity 'H1N1' named entity 'insulin syringe' named entity 'control group' named entity 'SARS-CoV-2' named entity 'NaCl' named entity 'SARS-CoV-2 virus' named entity 'CDC' named entity 'humidity'

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