Decontamination methods of N95 respirators contaminated with SARS-CoV-2

Gopalan, Thirumaaran and Mohd Yatim, Rabi'atul `Adawiyah and Muhamad, Mohd Ridha and Mohamed Nazari, Nor Shafina and Hashim, N. Awanis and John, Jacob and Wai Hoe, Victor Chee (2021) Decontamination methods of N95 respirators contaminated with SARS-CoV-2. Sustainability, 13 (22). ISSN 2071-1050, DOI https://doi.org/10.3390/su132212474.

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Abstract

In the preparation and response to the COVID-19 pandemic, a sufficient supply of personal protective equipment (PPE), particularly the face mask, is essential. Shortage of PPE due to growing demand leaves health workers at significant risk as they fight this pandemic on the frontline. As a mitigation measure to overcome potential mask shortages, these masks could be decontaminated and prepared for reuse. This review explored past scientific research on various methods of decontamination of the N95-type respirators and their efficiency against the SARS-CoV-2 virus. Ultraviolet germicidal irradiation (UVGI) and hydrogen peroxide vapor (HPV) show great potential as an effective decontamination system. In addition, UVGI and HPV exhibit excellent effectiveness against the SARS-CoV-2 virus on the N95 respirator surfaces.

Item Type: Article
Funders: AUN/SEED-Net (UMSPRAC 2101)
Uncontrolled Keywords: Decontamination; N95 respirators; SARS-CoV-2; COVID-19; Ultraviolet germicidal irradiation (UVGI); Hydrogen peroxide vapor (HPV); Heat; Microwave-generated steam (MGS); Ethanol
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
T Technology > TD Environmental technology. Sanitary engineering
Divisions: Faculty of Dentistry
Faculty of Engineering
Faculty of Medicine
Depositing User: Ms Zaharah Ramly
Date Deposited: 28 Mar 2022 08:06
Last Modified: 28 Mar 2022 08:07
URI: http://eprints.um.edu.my/id/eprint/28569

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