Study of antimicrobial effect of methylene blue incorporated
Department of Environmental Engineering, Institute of Chemical and Environmental Engineering, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinského 9, Bratislava 812 37, Slovak Republic
a Department of Biochemistry and Microbiology, Institute of Biochemistry, Nutrition and Health Protection, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinského 9, Bratislava 812 37, Slovak Republic
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Abstract: A new heterogeneous photocatalyst was prepared by incorporation of methylene blue into ZSM-5 zeolite. This photocatalyst effectively absorbs light in visible range of the spectrum and when irradiated with visible light, it generates reactive oxygen species (ROS) in aqueous environment. Efficiency of the photocatalyst was tested on dechlorination of a model compound 4-chlorophenol and on growth inhibition of Gram-negative bacteria Escherichia coli.
Keywords: photocatalysis, zeolite, hydroxyl radical, methylene blue, Escherichia coli
Full paper in Portable Document Format: acs_0021.pdf
Acta Chimica Slovaca, Vol. 1, No. 1, 2008, pp. 238—249