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《Acta Agriculturae Shanghai》 1994-S1
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STUDY ON MUTAGENICITY OF MANURE-CONTAMINATED SURFACE WATER SAMPLES AFTER TREATMFNT OF CHLORINATION

Wang Yagu; Shen Genxiang;Zhang Jiaqi(Environmental Science Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106,China.)  
This paper reported the mutagenictity of manure-contaminated surface water samples after treatment of chlorination in Shanghai suburbs.These water samples were seriously contaminated by domestic animal excreta. The revertants of salmonella strains TA98 and TA100 were used as indices for detecting the mutagenic potential for such samples,which were prepared by using XAD2 resin for adsorbing The water mutagenic agents and using special organic reagents for eluting the adsorbed components from the resin. The results of detection showed that before chlorination, only a few water samples gave weak mutagenic response to salmonella strains TA98 or TA100, however,after chlorination, the majority of water samples gave an apparent mutagenic response to TA98 or TA100 or both. The mutagenic intensity was higher in those samples without S9 mix supplementation in the detecting system than in those samples with S9 mix supplementation. The possible origin of the mutagenic agents resulting from water chlorination was discussed around the results of detection.
【CateGory Index】: X71
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