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Sterilization of polypropylene membranes of facepiece respirators by ionizing radiation
Pirker, Luka (Author), Pogačnik Krajnc, Anja (Author), Malec, Jan (Author), Radulović, Vladimir (Author), Gradišek, Anton (Author), Jelen, Andreja (Author), Remškar, Maja (Author), Mekjavić, Igor B. (Author), Kovač, Janez (Author), Mozetič, Miran (Author), Snoj, Luka (Author)

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Abstract
Ionizing radiation has been identified as an option for sterilization of disposable filtering facepiece respirators in situations where the production of the respirators cannot keep up with demand. Gamma radiation and high energy electrons penetrate deeply into the material and can be used to sterilize large batches of masks within a short time period. In relation to reports that sterilization by ionizing radiation reduces filtration efficiency of polypropylene membrane filters on account of static charge loss, we have demonstrated that both gamma and electron beam irradiation can be used for sterilization, provided that the respirators are recharged afterwards.

Language:English
Keywords:personal protection equipment, respirators, COVID-19, SARS-CoV-2, sterilization, ionizing radiation, polypropylen membrane
Tipology:1.01 - Original Scientific Article
Organization:FMF - Faculty of Mathematics and Physics
Year:2021
Number of pages:7 str.
Numbering:Vol. 619, art. 118756
UDC:539.1
ISSN on article:0376-7388
DOI:10.1016/j.memsci.2020.118756 This link opens in a new window
COBISS.SI-ID:32105219 This link opens in a new window
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Record is a part of a journal

Title:Journal of membrane science
Shortened title:J. membr. sci.
Publisher:Elsevier
ISSN:0376-7388
COBISS.SI-ID:11540487 This link opens in a new window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0073
Name:Reaktorska fizika

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0209
Name:Umetna inteligenca in inteligentni sistemi

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P1-0099
Name:Fizika mehkih snovi, površin in nanostruktur

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P1-0125
Name:Magnetna resonanca in dielektrična spektroskopija pametnih novih materialov

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0076
Name:Avtomatika, robotika in biokibernetika

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0082
Name:Tankoplastne strukture in plazemsko inženirstvo površin

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:21.12.2020

Secondary language

Language:Slovenian
Keywords:jedrska fizika, ionizirajoče sevanje, osebna zaščitna oprema, respiratorji, sterilizacija, COVID-19, SARS-CoV-2, polipropilenska membrana

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