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Survival of Staphylococcus aureus exposed to UV radiation on the surface of ceramic tiles coated with TiO₂

100%

Szczawinski J., Tomaszewski H., Jackowska-Tracz A., Szczawinska M.

Polish Journal of Veterinary Sciences

2011

tom 14

nr 1

The aim of this study was to determine and compare the antimicrobial activity of UV radiation of wavelength 253.7 nm (used in typical germicidal lamps) against Staphylococcus aureus on the surfaces of conventionally produced white ceramic wall tiles (matt and shiny) and the same tiles coated with TiO₂ using three different methods: RF diode sputtering, atmospheric pressure chemical vapour deposition (APCVD) and spray pyrolysis deposition (SPD). Results clearly indicate that the bactericidal action of UV radiation is much stronger on the surfaces of tiles coated with TiO₂ than on the tiles uncovered. The strongest bactericidal effect of UV radiation was found for film prepared by APCVD. Results of experiments for shiny and matt tiles did not differ statistically. The use of ceramic wall tiles coated with TiO₂ films in hospitals, veterinary clinics, laboratories, food processing plants and other places where UV radiation is applied for disinfection should greatly improve the efficiency of this treatment.

Ograniczanie wyników

1 Polish Journal of Veterinary Sciences

1 Jackowska-Tracz A.

1 Szczawinska M.

1 Szczawinski J.

1 Tomaszewski H.

1 2011

Wyniki wyszukiwania

Survival of Staphylococcus aureus exposed to UV radiation on the surface of ceramic tiles coated with TiO₂