Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Photocatalytic inactivation of microorganisms in water under ultraviolet C irradiation and TiO2

Wed Aug 10 15:00:01 2022

(2020) Photocatalytic inactivation of microorganisms in water under ultraviolet C irradiation and TiO2. Reviews in Medical Microbiology. pp. 79-85. ISSN 0954-139X

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Abstract

Microbial contamination is one of the most important problems in the preparation of many herbal products. This study aimed to use nanoparticles and UVC radiation, which were considered in some previous laboratory studies. The contaminated water was entered into a photocatalytic reactor, and microbial removal efficiency of TiO2 alone and in the presence of UV was evaluated under different retention times (0-90 min) and concentrations of TiO2 nanoparticles (0.1, 0.2, 0.4, 0.8, 1 and 2 mg/ml). Efficiency of the reactor increased with increase in the retention time in the presence of UV. Simultaneous treatment of the contaminated water with both UV and TiO2 nanoparticles had a similar outcome. However, only a slight reduction in the concentration of microbes was noted in the presence of TiO2 in high concentrations. Considering the significant antimicrobial effects of nanoparticles, it is suggested to conduct similar studies on the effect of these compounds using animal models. By obtaining further information on other antimicrobial properties of such compounds, they could be utilized for removal of microbial surface contamination, especially in clinical settings. Copyright (C) 2020 Wolters Kluwer Health, Inc. All rights reserved.

Item Type: Article
Creators:
CreatorsEmail
Taheri, F.UNSPECIFIED
Amini, A.UNSPECIFIED
Kouhsari, E.UNSPECIFIED
Kiaei, M. R.UNSPECIFIED
Movaseghi, R.UNSPECIFIED
Niknejad, F.UNSPECIFIED
Keywords: photocatalyst spore-forming Gram-positive bacilli TiO2 ultraviolet C radiation bacillus-subtilis escherichia-coli spores disinfection degradation resistance peroxide solar zno Microbiology
Divisions:
Page Range: pp. 79-85
Journal or Publication Title: Reviews in Medical Microbiology
Journal Index: ISI
Volume: 31
Number: 2
Identification Number: https://doi.org/10.1097/mrm.0000000000000192
ISSN: 0954-139X
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/3085

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