三氯杀螨醇对大型溞的毒性和环境雌激素效应
REPRODUCTION TOXICITY AND ESTROGENIC EFFECTS OF DICOFOL TO DAPHNIA MAGNA
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摘要: 三氯杀螨醇是DDT被禁用以后出现的替代品,在很多国家包括中国在内被广泛用作果树、棉花等的杀螨剂,对高等动物的急性口服毒性很低,但它的慢性毒性较大。已有报道显示由DDT合成而来的三氯杀螨醇可使美国红隼的蛋壳变薄,与某些野生动物如佛罗里达湖中鳄鱼雌性化具相关性,甚至导致人体某些恶性肿瘤等。由于三氯杀螨醇性质非常稳定,残留期长,所以过去对该农药研究热点主要是在蔬菜、果品等食品中的残留及降解动态,而对水生生物的毒性尚未见报道,而且对其雌激素活性的报道仅限于小鼠子宫增重法等活体实验方法,周期长且由于生物个体差异等造成灵敏度低。
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关键词:
- 大型溞 /
- 重组雌激素受体基因酵母 /
- 三氯杀螨醇 /
- 毒性效应 /
- 雌激素活性
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Keywords:
- Daphnia magna /
- Recombinant gene yeast /
- Dicofol /
- Toxicity effects /
- Estrogenic effects
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