NDLI: Enhanced photocatalytic inactivation of bacterial spores on surfaces in air.

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Enhanced photocatalytic inactivation of bacterial spores on surfaces in air.

Content Provider	Europe PMC
Author	Vohra, Amit Goswami, D. Y. Deshpande, D. A. Block, S. S.
Abstract	TiO2 photocatalysis with ultraviolet (UV-A) light has proven to be a highly effective process for complete inactivation of airborne microbes. However, the overall efficiency of the technology needs to be improved to make it more attractive as a defense against bio-terrorism. The present research investigates the enhancement in the rate of destruction of bacterial spores on metal (aluminum) and fabric (polyester) substrates with metal (silver)-doped titanium dioxide and compares it to conventional photocatalysis (TiO2 P25/+UV-A) and UV-A photolysis. Bacillus cereus bacterial spores were used as an index to demonstrate the enhanced disinfection efficiency. The results indicate complete inactivation of B. cereus spores with the enhanced photocatalyst. The enhanced spore destruction rate may be attributed to the highly oxidizing radicals generated by the doped TiO2.
Related Links	https://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC7087714&blobtype=pdf
ISSN	13675435
Journal	Journal of Industrial Microbiology & Biotechnology [J Ind Microbiol Biotechnol]
Volume Number	32
DOI	10.1007/s10295-005-0006-y
PubMed Central reference number	PMC7087714
Issue Number	8
PubMed reference number	16044291
e-ISSN	14765535
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-08-01
Publisher Place	Berlin/Heidelberg
Access Restriction	Open
Rights License	This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic. © Society for Industrial Microbiology 2005
Subject Keyword	Photocatalysis Metal-doped TiO2 Silver Bacillus cereus spores Fabric UV-A
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology

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