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7431492 
Journal Article 
The adsorption of microcystin-LR by natural clay particles 
Morri, RJ; Williams, DE; Luu, HA; Holmes, CF; Andersen, RJ; Calvert, SE 
2000 
1 
Toxicon
ISSN: 0041-0101
EISSN: 1879-3150 
PERGAMON-ELSEVIER SCIENCE LTD 
OXFORD 
38 
2 
303-308 
English 
10665811 
WOS:000083803000016 
The microcystin cyanobacterial hepatotoxins represent an increasingly severe global health hazard. Since 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. 
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