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THE TOXICITY OF TWO NEWly-SYNTHESIZED COMPOUNDS ON SCENEDESMUS OBLIQUUS KǖTZ

水生生物学报 2006年第6期30卷 676-679页

作者： SHENG Xiu-Mei 1,2, XIONG Li1 and TANG Hong-Feng1 (1. College of Life Science, Central China Normal University, Wuhan, China, 430079 2. Department of Biochemistry, College of Clinic Technology, Jiangsu University, Zhenjiang, Jiangsu, China, 212001) College of Life Science Central China Normal University Wuhan 430079

ly-04 and wsqif are newly-synthesized compounds which were presented by the Institute of Pesticides Chemistry, Central China Normal University. ly-04 belongs to α-oxophosphonic acid derivatives, while wsqif is an aromatic acetyl oxophosphonic acid derivative. In this study, the toxicity of ly-04 and wsqif on Scenedesmus obliquus Kütz was examined. The EC 50 of ly-04 and wsqif were determined in S. obliquus cells at 24h, 48h, 72h, 96h represented by cell density. Our data showed that the 24h, 48h, 72h, 96h EC 50 of ly-04 were 1983mg/L, 2943mg/L, 240mg/L and 65.0mg/L acetone, respectively, and the 24h, 48h, 72h, 96h EC 50 of wsqif were 15.9mg/L, 53.0mg/L, 98.0mg/L and 28.8mg/L respectively. ly-04 displayed a higher insecticidal activity, while wsqif showed a higher phytocidal activity. As ly-04 and wsqif were designed to act as insecticide and herbicide, respectively, the results were in contrast to the anticipated ones. According to the toxicant classification standard, EC 50 of both substances was far higher than 3mg/L, while the toxicity of ly-04 and wsqif to aquatic algae were fairly low, indicating that these two pesticides are rather safe to the aquatic ecosystem.

关键词： ly-04 and wsqif Scenedesmus obliquus Kütz Toxicity

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Studies on the Toxicity of Two Newly-synthesized Compounds on Scenedesmus obliquus kutz.

Studies on the Toxicity of Two Newly-synthesized Compounds o...

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湖北省生物工程学会2004年年会

作者： Sheng Xiumei Xiong Li Tang Hongfeng Liu Tao Wang Yuan College of Life Science, Central China Normal University, Wuhan, China, 430079, Department of Biochemistry, College of Clinic technology, Jiangsu University, Jiangsu, Zhenjiang, China, 212001

ly-04 and wsqif were two newly-synthesized compounds which were presented by the Institute of Pesticides Chemistry, Central China Normal University. ly-04 belonged to a -oxophosphonic acid derivatives, while wsqif was aromatic acetyl oxophosphonic acid derivatives. In this paper, the toxiciry of ly-04 and wsqif on Scenedesmus obliquus Kutz were studied. The 24h, 48h, 72h, 96h EC50 of ly-04 and wsqif in acetone were determined by dectecting the cell density of the S. obliquus cells. It indicated that the 24h, 48h, 72h, 96h EC50 of ly-04 were 1982.5mg/L, 2942.5 mg/L,

关键词： ly-04 and wsqif Scenedesmus obliquus Kutz Toxicity

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