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The adsorption of microcystin-LR by natural clay particles

TitleThe adsorption of microcystin-LR by natural clay particles
Publication TypeJournal Article
Year of Publication2000
AuthorsMorris, RJ, Williams, DE, Luu, HA, Holmes, CFB, Andersen, RJ, Calvert, SE
JournalToxicon
Volume38
Pagination303-308
Date PublishedFeb
Type of ArticleArticle
ISBN Number0041-0101
KeywordsBLOOM, cyanobacteria, DECOMPOSITION, DIARRHETIC SHELLFISH TOXINS, ENVIRONMENT, IDENTIFICATION, OKADAIC ACID, OSCILLATORIA-AGARDHII, PROTEIN PHOSPHATASE INHIBITORS, TUMOR PROMOTION
Abstract

The microcystin cyanobacterial hepatotoxins represent an increasingly severe global health hazard. Sines microcystins are found world wide in drinking water reservoirs concern about the impact on human health has prompted investigations into remedial water treatment methods. This preliminary study investigates the scavenging from water of microcystin-LR by fine-grained particles known to have a high concentration of the clay minerals kaolinite and montmorillonite. The results show that more than 81% of microcystin-LR can be removed from water by clay material. Thus, microcystin-LR is indeed scavenged from water bodies by fine-grained particles and that this property may offer an effective method of stripping these toxins from drinking water supplies. (C) 1999 Elsevier Science Ltd. All rights reserved.

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