About: Relative survival of Bacillus subtilis spores loaded on filtering facepiece respirators after five decontamination methods

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About: Relative survival of Bacillus subtilis spores loaded on filtering facepiece respirators after five decontamination methods 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	Relative survival of Bacillus subtilis spores loaded on filtering facepiece respirators after five decontamination methods
Creator	Hua, Z.-C Hung, P.-C Lai, C.-Y Lin, T.-H Tang, F.-C
Source	Medline; PMC
abstract	This study determines the relative survival (RS) of Bacillus subtilis spores loaded on an N95 filtering facepiece respirator (FFR) after decontamination by five methods under worst‐case conditions. Relative survival was obtained by testing after decontamination and after storing the FFRs at 37°C and 95% relative humidity for 24 hours. The decontamination methods involved ethanol, bleach, ultraviolet irradiation (UVA 365 nm, UVC 254 nm), an autoclave, and a traditional electric rice cooker (TERC) that was made in Taiwan. Without decontamination, 59 ± 8% of the loaded spores survived for 24 hours. When 70% ethanol was added to the N95 FFR at a packing density of 0.23, the RS was 73 ± 5% initially and decayed to 22 ± 8% in 24 hours. Relative survival remained above 20% after 20 minutes of UVA irradiation. The other four decontamination measures achieved 99%‐100% biocidal efficacy, as measured immediately after the methods were applied to the test FFRs. Relative survival is a useful parameter for measuring sterilization or degree of disinfection. Bleach, UVC, an autoclave, and a TERC provide better biocidal efficacy than ethanol and UVA. Not only a higher filter quality but also a lower value of RS produced the most decontaminated FFR.
has issue date	2018-07-09(xsd:dateTime)
bibo:doi	10.1111/ina.12475
bibo:pmid	29855107
has license	no-cc
sha1sum (hex)	e2da6ec3708a0f0cc2d85c4bdcba78ff08fad894
schema:url	https://doi.org/10.1111/ina.12475
resource representing a document's title	Relative survival of Bacillus subtilis spores loaded on filtering facepiece respirators after five decontamination methods
has PubMed Central identifier	PMC7165566
has PubMed identifier	29855107
schema:publication	Indoor Air
resource representing a document's body	covid:e2da6ec3708a0f0cc2d85c4bdcba78ff08fad894#body_text
is schema:about of	named entity 'N95' named entity 'RELATIVE SURVIVAL' named entity 'STORING' named entity 'DECONTAMINATION' covid:arg/e2da6ec3708a0f0cc2d85c4bdcba78ff08fad894 named entity 'FFR' named entity 'Relative survival' named entity 'UVC' named entity 'spores' named entity 'UVC' named entity 'respirator' named entity 'FFRs' named entity 'biocidal' named entity 'decontamination' named entity 'decayed' named entity 'When' named entity 'worst-case' named entity 'UVA' named entity 'remained' named entity 'filtering' named entity 'UVA' named entity 'decontamination' named entity 'FFRs' named entity 'bleach' named entity 'ultraviolet irradiation' named entity 'spores' named entity 'Bacillus subtilis' named entity 'irradiation' named entity 'decontamination' named entity '20%' named entity 'higher' named entity 'N95' named entity 'alcohol' named entity 'MERS' named entity 'volume fraction' named entity 'NIOSH' named entity 'irradiation' named entity 'ethanol' named entity 'FFRs' named entity 'biosafety cabinet' named entity 'disinfection' named entity 'humidity' named entity 'wavelength' named entity 'bioaerosols' named entity 'exponential decay' named entity 'sterilization' named entity 'active ingredient' named entity 'Contaminated objects' named entity 'NIOSH' named entity 'ethanol' named entity 'bleach' named entity 'disinfection' named entity 'rubber' named entity 'Research and Development' named entity 'bacterial spores' named entity 'medical devices' named entity 'alcohol' named entity '1, 2' named entity 'bacteria' named entity 'sterilization' named entity 'H5N1' named entity 'autoclave' named entity 'bacteria' named entity '8.3' named entity 'UVA' named entity 'NaOCl' named entity 'UVC' named entity 'respirator' named entity 'disinfection' named entity 'deionized water' named entity 'ethanol' named entity 'ethanol' named entity 'FFRs' named entity 'FFRs' named entity 'FFRs' named entity 'aerosolized' named entity 'bleach'

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