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Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR.

Liu, Iain; Lawton, Linda A.; Cornish, Ben; Robertson, Peter K.J.

Authors

Iain Liu

Ben Cornish

Peter K.J. Robertson



Abstract

Cyanobacterial toxins present in drinking water sources pose a considerable threat to human health. Conventional water treatment systems have proven unreliable for the removal of these toxins and hence new techniques have been investigated. Previous work has shown that TiO2 photocatalysis effectively destroys microcystin-LR in aqueous solutions, however, a variety of by-products were generated. In this paper, we report a mechanistic study of the photocatalytic destruction of microcystin-LR. In particular, the toxicity by-products of the process have been studied using both brine shrimp and protein phosphatase bioassays.

Journal Article Type Article
Publication Date May 31, 2002
Journal Journal of photochemistry and photobiology A: chemistry
Print ISSN 1010-6030
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 148
Issue 1-3
Pages 349-354
Institution Citation LIU, I., LAWTON, L.A., CORNISH, B. and ROBERTSON, P., 2002. Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR. Journal of photochemistry and photobiology A: chemistry [online], 148(1-3), pages 349-354. Available from: https://doi.org/10.1016/S1010-6030(02)00062-X
DOI https://doi.org/10.1016/S1010-6030%2802%2900062-X
Keywords Microcystins; Protein phosphatase 1; Photocatalytic oxidation; TiO2; Water treatment

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