苏红巧;付旭锋;赵亚娴;楼钦钦;秦占芬;

• 1:中国科学院生态环境研究中心环境化学和生态毒理学国家重点实验室

摘要(Abstract)：

选择合适的尤其是本土生物种进行化学品生态毒性评估,对于各国化学品的环境管理十分重要。本文选择我国本土两栖种黑斑蛙的胚胎为试验生物,以半数致死浓度LC50、半数致畸浓度TC50、致畸指数TI及最小抑制生长浓度MCIG为终点指标,建立了黑斑蛙胚胎发育毒性试验方法。以五氯酚、视磺酸、氯化镉、重铬酸钾为测试物研究了方法的敏感性,并以五氯酚为测试物研究了方法的可重复性。结果显示:五氯酚、视磺酸、氯化镉和重铬酸钾对黑斑蛙胚胎的LC50分别为572.3μg·L-1、54.8μg·L-1、6.8 mg·L-1和97.5 mg·L-1。五氯酚、视磺酸和氯化镉对黑斑蛙胚胎的TC50分别为246.5μg·L-1、18.7μg·L-1和3.4 mg·L-1,TI分别为2.3、2.9和2.0,MCIG分别为160.0μg·L-1、10.1μg·L-1和2.4 mg·L-1。重复性试验发现,五氯酚的LC50、TC50、TI及MCIG的变异系数分别为12.6%、18.0%、23.0%和18.6%。与文献中非洲爪蟾胚胎试验的数据比较,这些数据显示黑斑蛙胚胎与非洲爪蟾胚胎对测试物的敏感性存在一定的差异,各个终点指标的变异系数相当。因此,本文建立的黑斑蛙胚胎发育毒性试验可以用于化学品的发育毒性评价,为我国化学品环境管理提供技术支持。

关键词(KeyWords)： 黑斑蛙胚胎;发育毒性;化学品管理

Abstract:

Keywords:

基金项目(Foundation): “863”计划课题(2012AA06A302);; 环保公益专项(201109048)

作者(Author): 苏红巧;付旭锋;赵亚娴;楼钦钦;秦占芬;

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DOI:

参考文献(References)：

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