During the coronavirus disease 2019 (COVID-19) pandemic, scientific authorities strongly suggested the use of face masks (FMs). FM materials (FMMs) have to satisfy the medical device biocompatibility requirements as indicated in the technical standard EN ISO 10993-1:2018. The biologic evaluation must be confirmed by in vivo tests to verify cytotoxicity, sensitisation, and skin irritation. Some of these tests require an extensive period of time for their execution, which is incompatible with an emergency situation. In this study, we propose to verify the safety of FMMs combining the assessment of 3-[4,5-dimethylthiazolyl-2]-2,5-diphenyltetrazolium bromide (MTT) with quantification of nitric oxide (NO) and interleukin-6 (IL-6), as predictive markers of skin sensitisation or irritation based on human primary fibroblasts. Two hundred and forty-two FMMs were collected and classified according to spectrometer IR in polypropylene, paper, cotton, polyester, polyethylene terephthalate, 3-dimensional printing, and viscose. Of all FMMs tested, 50.8% passed all the assays, 48% failed at least one, and only 1.2% failed all. By a low cost, rapid and highly sensitive multi assays strategy tested on human skin fibroblasts against a large variety of FMMs, we propose a strategy to promptly evaluate biocompatibility in wearable materials.

Assessing biocompatibility of face mask materials during covid-19 pandemic by a rapid multi-assays strategy / Petrachi, T.; Ganzerli, F.; Cuoghi, A.; Ferrari, A.; Resca, E.; Bergamini, V.; Accorsi, L.; Burini, F.; Pasini, D.; Arnaud, G. F.; Piccini, M.; Aldrovandi, L.; Mari, G.; Tomasi, A.; Rovati, L.; Dominici, M.; Veronesi, E.. - In: INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH. - ISSN 1660-4601. - 18:10(2021), pp. 5387-5387. [10.3390/ijerph18105387]

Assessing biocompatibility of face mask materials during covid-19 pandemic by a rapid multi-assays strategy

Petrachi T.;Cuoghi A.;Ferrari A.;Resca E.;Bergamini V.;Accorsi L.;Arnaud G. F.;Piccini M.;Tomasi A.;Rovati L.;Dominici M.;Veronesi E.
2021

Abstract

During the coronavirus disease 2019 (COVID-19) pandemic, scientific authorities strongly suggested the use of face masks (FMs). FM materials (FMMs) have to satisfy the medical device biocompatibility requirements as indicated in the technical standard EN ISO 10993-1:2018. The biologic evaluation must be confirmed by in vivo tests to verify cytotoxicity, sensitisation, and skin irritation. Some of these tests require an extensive period of time for their execution, which is incompatible with an emergency situation. In this study, we propose to verify the safety of FMMs combining the assessment of 3-[4,5-dimethylthiazolyl-2]-2,5-diphenyltetrazolium bromide (MTT) with quantification of nitric oxide (NO) and interleukin-6 (IL-6), as predictive markers of skin sensitisation or irritation based on human primary fibroblasts. Two hundred and forty-two FMMs were collected and classified according to spectrometer IR in polypropylene, paper, cotton, polyester, polyethylene terephthalate, 3-dimensional printing, and viscose. Of all FMMs tested, 50.8% passed all the assays, 48% failed at least one, and only 1.2% failed all. By a low cost, rapid and highly sensitive multi assays strategy tested on human skin fibroblasts against a large variety of FMMs, we propose a strategy to promptly evaluate biocompatibility in wearable materials.
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5387
Assessing biocompatibility of face mask materials during covid-19 pandemic by a rapid multi-assays strategy / Petrachi, T.; Ganzerli, F.; Cuoghi, A.; Ferrari, A.; Resca, E.; Bergamini, V.; Accorsi, L.; Burini, F.; Pasini, D.; Arnaud, G. F.; Piccini, M.; Aldrovandi, L.; Mari, G.; Tomasi, A.; Rovati, L.; Dominici, M.; Veronesi, E.. - In: INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH. - ISSN 1660-4601. - 18:10(2021), pp. 5387-5387. [10.3390/ijerph18105387]
Petrachi, T.; Ganzerli, F.; Cuoghi, A.; Ferrari, A.; Resca, E.; Bergamini, V.; Accorsi, L.; Burini, F.; Pasini, D.; Arnaud, G. F.; Piccini, M.; Aldrovandi, L.; Mari, G.; Tomasi, A.; Rovati, L.; Dominici, M.; Veronesi, E.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1248682
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