DNA repair test of disinfectants by liquid rec-assay

Yoshikazu Sakagami , Katsuhiro Yamasaki , Hiroshima Yokoyama , Youki Ose , Takahiko Sato
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引用次数: 22

Abstract

The DNA-damaging capacity and the mutagenicity of 6 disinfectants were studied by liquid rec-assay and Ames test. 5 disinfectants were found to be positive in DNA-damaging capacity while only one of them showed clear mutagenicity in the Ames test. Liquid rec-assay by direct incubation with S9 mix was the most sensitive method and gave the best correlation between the growth ratio (R 50) and the time lag, both of which compared Rec+ and Rec. liquid rec-assay may be useful for detecting the DNA-damaging capacity of chemicals with a strong killing effect.

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用液相电泳法检测消毒剂的DNA修复
采用液相电泳法和Ames试验研究了6种消毒剂的dna损伤能力和致突变性。5种消毒剂的dna损伤能力呈阳性,但只有1种消毒剂在Ames试验中表现出明显的致突变性。S9混合液直接孵育法是最敏感的方法,生长比(r50)与滞后时间之间的相关性最好,两者都比较了Rec+和Rec−。液体重析法可用于检测具有强杀伤作用的化学品对dna的破坏能力。
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