Extended in vitro inactivation of SARS-CoV-2 by titanium dioxide surface coating
P. Mlcochova, A. Chadha, T. Hesselhoj, F. Fraternali, J. Ramsden, R. K. Gupta
Abstract
SARS-CoV-2 transmission occurs via airborne droplets and surface contamination. We show tiles coated with TiO2 120 days previously can inactivate SARS-CoV-2 under ambient indoor lighting with 87% reduction in titres at 1h and complete loss by 5h exposure. TiO2 coatings could be an important tool in containing SARS-CoV-2.
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