Extended in vitro inactivation of SARS-CoV-2 by titanium dioxide surface coating

  1. P Mlcochova
  2. A Chadha
  3. T Hesselhoj
  4. F Fraternali
  5. JJ Ramsden
  6. RK Gupta
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Abstract

SARS-CoV-2 transmission occurs via airborne droplets and surface contamination. We show tiles coated with TiO 2 120 days previously can inactivate SARS-CoV-2 under ambient indoor lighting with 87% reduction in titres at 1h and complete loss by 5h exposure. TiO 2 coatings could be an important tool in containing SARS-CoV-2.

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