Abstract
The infection control in surfaces of public toilets environment is a matter of great concern and a major challenge, especially during mass gatherings. The present study aimed to evaluate the antimicrobial efficacy of titanium dioxide nanoparticles coating on environmental surfaces of public toilets during Hajj time. A pilot study has been designed to evaluate the antimicrobial efficacy of titanium dioxide nanoparticles on the surfaces of public toilets. The results showed a significant reduction in colony-count of the test samples. Maximum average reduction count of test microbes of the seats and walls reached (99.7%) while that of the doors reached (99.1%) which was statistically significant (P value = 0.001). It was concluded that there was a marked effect of a mixed TiO2 coating on reducing the microbial count at the surfaces of public toilets environments. Further research on efficacy against specific organisms, intestinal parasites, fungi, viruses and bacteriophage is recommended.
Highlights
Public bathrooms have the most amounts of hidden germs even cleaned because this space is shared with a whole lot of people who may have infectious diseases [1]
The present study aimed to evaluate the antimicrobial efficacy of titanium dioxide nanoparticles coating on environmental surfaces of public toilets during Hajj time
A pilot study has been designed to evaluate the antimicrobial efficacy of titanium dioxide nanoparticles on the surfaces of public toilets
Summary
Public bathrooms have the most amounts of hidden germs even cleaned because this space is shared with a whole lot of people who may have infectious diseases [1]. Titanium dioxide (TiO2) is non-toxic, available, cost effective, chemically stable and with favorable properties [8]. It is a semiconductor and has been proved to be an excellent photocatalyst degrading organic pollutants and effective antibiotic against bacteria, fungi, viruses, and bacteriophage [9]. The negative electrons and oxygen atom will combine into O2−; the positive holes and water will generate hydroxyl radicals (OH−) [10] Both of O2− and OH− molecules are reactive, so they will combine with any organic material around the surface of the photocatalyst and turn into carbon dioxide and water. The aim of the present pilot study was to evaluate the antimicrobial efficacy of titanium dioxide nanoparticles coating on environmental surfaces on selected public toilets
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