About: Extended use of face masks during the COVID-19 pandemic - Thermal conditioning and spray-on surface disinfection

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About: Extended use of face masks during the COVID-19 pandemic - Thermal conditioning and spray-on surface disinfection 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	Extended use of face masks during the COVID-19 pandemic - Thermal conditioning and spray-on surface disinfection
Creator	Celina, Mathew Dargaville, Tim Martinez, Estevan Omana, Michael Sanchez, Andres Tezak, Matthew Wiemann, Dora
Source	Elsevier; Medline; PMC
abstract	The current COVID-19 pandemic has resulted in globally constrained supplies for face masks and personal protective equipment (PPE). Production capacity is limited in many countries and the future course of the pandemic will likely continue with shortages for high quality masks and PPE in the foreseeable future. Hence, expectations are that mask reuse, extended wear and similar approaches will enhance the availability of personal protective measures. Repeated thermal disinfection could be an important option and likely easier implemented in some situations, at least on the small scale, than UV illumination, irradiation or hydrogen peroxide vapor exposure. An overview on thermal responses and ongoing filtration performance of multiple face mask types is provided. Most masks have adequate material properties to survive a few cycles (i.e. 30 min disinfection steps) of thermal exposure in the 75 °C regime. Some are more easily affected, as seen by the fusing of plastic liner or warping, given that preferred conditioning temperatures are near the softening point for some of the plastics and fibers used in these masks. Hence adequate temperature control is equally important. As guidance, disinfectants sprayed via dilute solutions maintain a surface presence over extended time at 25 and 37 °C. Some spray-on alcohol-based solutions containing disinfectants were gently applied to the top surface of masks. Neither moderate thermal aging (less than 24 h at 80 and 95 °C) nor gentle application of surface disinfectant sprays resulted in measurable loss of mask filter performance. Subject to bio-medical concurrence (additional checks for virus kill efficiency) and the use of low risk non-toxic disinfectants, such strategies, either individually or combined, by offering additional anti-viral properties or short term refreshing, may complement reuse options of professional masks or the now ubiquitous custom-made face masks with their often unknown filtration effectiveness.
has issue date	2020-06-04(xsd:dateTime)
bibo:doi	10.1016/j.polymdegradstab.2020.109251
bibo:pmid	32834203
has license	no-cc
sha1sum (hex)	0da1ae515e3e75a038412e88e7778c4ff04df366
schema:url	https://doi.org/10.1016/j.polymdegradstab.2020.109251
resource representing a document's title	Extended use of face masks during the COVID-19 pandemic - Thermal conditioning and spray-on surface disinfection
has PubMed Central identifier	PMC7271865
has PubMed identifier	32834203
schema:publication	Polym Degrad Stab
resource representing a document's body	covid:0da1ae515e3e75a038412e88e7778c4ff04df366#body_text
is schema:about of	named entity 'responses' named entity 'Neither' named entity 'fusing' named entity 'bio-medical' named entity 'supplies' named entity 'complement' named entity 'surface' named entity 'disinfectant' named entity 'surface' named entity 'additional' named entity 'Extended' named entity 'Use' named entity 'MASKS' named entity 'LINER' named entity 'STEPS' named entity 'PREFERRED' named entity 'APPLICATION' named entity 'SURVIVE' named entity 'EFFICIENCY' named entity '30 MIN' named entity 'GENTLY' named entity 'GUIDANCE' named entity 'VIRAL' named entity 'ONGOING' named entity 'APPLIED' named entity 'MAINTAIN' named entity 'SMALL SCALE' named entity 'SPRAYS' named entity 'REPEATED' named entity 'PPE' named entity 'QUALITY' named entity 'SEEN' named entity 'PROVIDED' named entity 'reuse' named entity 'conditioning' named entity 'equally' named entity 'individually' named entity 'thermal' named entity 'face masks' named entity 'concurrence' named entity 'irradiation' named entity 'disinfectants' named entity 'continue' named entity 'material properties' named entity 'plastics' named entity 'Graphical' named entity 'disinfectants' named entity 'filtration' named entity 'filtration' named entity 'disinfectants' named entity 'anti-viral' named entity 'COVID-19 pandemic' named entity 'face mask' named entity 'face masks' named entity 'disinfection' named entity 'Spray-on' named entity 'thermal' named entity 'surfactants' named entity 'EDTA' named entity 'disinfectant' named entity 'active compound' named entity 'disinfectant' named entity 'isopropanol' named entity 'cotton' named entity 'concentrated alcohol' named entity 'over-the-counter' named entity 'disinfectant' named entity 'general public' named entity 'citric acid' named entity 'influenza outbreak' named entity 'FFRs' named entity 'medical devices' named entity 'inhalation' named entity 'N95' named entity 'polymer'

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