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Photo-Assisted Antimicrobial Activity of Transition Metal Oxides

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Metal, Metal-Oxides and Metal-Organic Frameworks for Environmental Remediation

Part of the book series: Environmental Chemistry for a Sustainable World ((ECSW,volume 64))

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Abstract

Photocatalysis is a widely accepted technology which finds enormous applications in the field of fuel production, water remediation, environmental cleaning, self-cleaning coatings, CO2 sequestration and microbial disinfection. Photo assisted heterogeneous catalysis is the major route employed for all the above applications where transition metal based semiconducting materials are used for the light assisted production of reactive oxygen species. This in turn finds an important application in microbial destruction at different indoor and outdoor level. The increase in environmental pollution urges the need of a simple and cost-effective route of microbial inactivation. Thus, semiconductor-based photo assisted bacterial inactivation is an appropriate strategy which can be upscaled for commercial application. The present chapter tries to provide physical insights on the photocatalytic based microbial inactivation process. The chapter mainly discusses the basic principle of photocatalysis and mechanism behind bacterial disinfection. Thereafter, the chapter focuses on the discussion of selected transition metals oxides such as TiO2, ZnO and CuO for bacterial disinfection studies and different types of modification methods employed for the improvement of their antibacterial efficiency.

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Correspondence to Tom Mathews .

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Antony, R.P., Preethi, L.K., Mathews, T. (2021). Photo-Assisted Antimicrobial Activity of Transition Metal Oxides. In: Rajendran, S., Naushad, M., Cornejo Ponce, L., Lichtfouse, E. (eds) Metal, Metal-Oxides and Metal-Organic Frameworks for Environmental Remediation. Environmental Chemistry for a Sustainable World, vol 64. Springer, Cham. https://doi.org/10.1007/978-3-030-68976-6_2

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