段美娜;杨柏林;丁光辉;熊德琪;

• 1:大连海事大学
• 2:东北大学秦皇岛分校

摘要(Abstract)：

在溢油事故应急处置中,消油剂的使用备受争议。为探究消油剂和溢油对海洋底栖模式生物海胆(Hemicentrotus pulcherrimus)复合毒性效应,通过WAFs(Water-accommodated fractions)和CEWAFs(Chemically enhanced water-accommodated fractions)的96 h暴露实验,测定海胆肠和性腺中过氧化氢酶(CAT)、超氧化物歧化酶(SOD)、谷胱甘肽硫转移酶(GST)、谷胱甘肽过氧化物酶(GPx)活性的变化。实验结果表明:随油水配比浓度的增加,4种酶活性呈现先升高后降低趋势,且酶活性峰值均极显著高于海水对照组水平(P<0.01)。肠中4种酶活性最大诱导倍数均高于性腺。相同暴露浓度下,CEWAFs组4种酶活性诱导程度均高于WAFs组。消油剂对照组和海水对照组间4种酶活性则无显著性差异(P>0.05)。

关键词(KeyWords)： 消油剂;120#燃料油;马粪海胆;抗氧化酶活性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41276105/D0608);; 交通运输部应用基础研究项目(2013329225250);; 中华环境保护基金会格平绿色行动辽宁环境科研教育‘123工程’(CEPF2012-123-2-20)

作者(Author): 段美娜;杨柏林;丁光辉;熊德琪;

Email:

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