One year of surgical mask testing at the University of Bologna labs: Lessons learned from data analysis

C Boi, F Borsetti,T M Brugo,M Cappelletti,M G De Angelis,S Fedi,S Di Giacomo, T Fabiani,G Foli, A Garelli, U Genchi,D Ghezzi,C Gualandi, E Lalli, M Magnani, A Maurizzi, F Mazzi, N Mehrabi,M Minelli, R Montalbano,L Morelli, S Nici, R Onesti, A Paglianti,K Papchenko, S Pappalardo, N F Parisi,S Rapino,M Reggio,M Roselli, E Ruggeri, L Sabatini,E Saracino, G E Scarponi, L Serra, V Signorini, A Storione,M Torsello, E Tugnoli, C M Vargiu, G Vidali,F S Violante

Separation and Purification Technology（2022）

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摘要

•A multidisciplinary lab was created to test surgical masks due to COVID outbreak.•435 mask prototypes were tested during the emergency according to the EU standard.•Masks were analyzed according to the material and the number of layers.•A control of aerosol droplet size in the bacterial filtration was found critical.•The standard norm protocols are discussed and best practices are provided.

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关键词

Surgical masks,COVID-19,Bacterial filtration,Breathability,Pandemic spread prevention

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