Reusing Face Covering Masks: Probing the Impact of Heat Treatment.
Journal
ACS sustainable chemistry & engineering
ISSN: 2168-0485
Titre abrégé: ACS Sustain Chem Eng
Pays: United States
ID NLM: 101608852
Informations de publication
Date de publication:
11 Oct 2021
11 Oct 2021
Historique:
entrez:
20
7
2022
pubmed:
21
7
2022
medline:
21
7
2022
Statut:
ppublish
Résumé
The COVID-19 pandemic resulted in imminent shortages of personal protective equipment such as face masks. To address the shortage, new sterilization or decontamination procedures for masks are quickly being developed and employed. Dry heat and steam sterilization processes are easily scalable and allow treatment of large sample sizes, thus potentially presenting fast and efficient decontamination routes, which could significantly ease the rapidly increasing need for protective masks globally during a pandemic like COVID-19. In this study, a suite of structural and chemical characterization techniques, including scanning electron microscopy (SEM), contact angle, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Raman were utilized to probe the heat treatment impact on commercially available 3M 8210 N95 Particulate Respirator and VWR Advanced Protection surgical mask. Unique to this study is the use of the synchrotron-based In situ and Operando Soft X-ray Spectroscopy (IOS) beamline (23-ID-2) housed at the National Synchrotron Light Source II at Brookhaven National Laboratory for near-edge X-ray absorption spectroscopy (NEXAFS).
Identifiants
pubmed: 35855909
doi: 10.1021/acssuschemeng.1c04530
pmc: PMC9284677
doi:
Types de publication
Journal Article
Langues
eng
Pagination
13545-13558Subventions
Organisme : NIGMS NIH HHS
ID : K12 GM102778
Pays : United States
Informations de copyright
© 2021 The Authors. Published by American Chemical Society.
Déclaration de conflit d'intérêts
The authors declare no competing financial interest.
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