Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR
Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR
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DOI：
10.1016/s1010-6030(02)00062-x
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发表时间：
2002-05-31
影响因子：
4.3
通讯作者：
Robertson, PKJ
中科院分区：
文献类型：
--
作者：
Liu, I;Lawton, LA;Robertson, PKJ
饮用水源中存在的蓝藻毒素对人类健康构成相当大的威胁。传统的水处理系统已被证明不能可靠地去除这些毒素，因此人们研究了新的技术。前人的工作表明，TiO2光催化能有效地破坏水溶液中的微囊藻毒素-LR，但也会产生各种副产物。本文报道了光催化降解微囊藻毒素-LR的机理研究。特别是，该工艺的副产物已经用卤水虾和蛋白磷酸酶生物测定进行了毒性研究。(C)2002年，爱思唯尔科学公司出版。
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. (C) 2002 Published by Elsevier Science B.V.