高效液相色谱法测定家蝇细胞色素P450 O-脱甲基活性

O6; 建立了以乙酸乙酯/正己烷为终止剂(含1% H3PO4)和萃取剂,利用高效液相色谱,ZORBAX Eclipse XDB C18色谱柱,梯度洗脱,在316 nm检测,外标法分析对硝基苯酚的生成量,表征家蝇粗酶液中细胞色素P450催化的对硝基苯甲醚 O-脱甲基活性的新方法.本方法的检出限为0.1 ng; 分析精密度的RSD为1.02%; 0.351, 1.755和8.755 μg对硝基苯酚3个添加水平的回收率为92.34%～87.60%; 回收率的RSD为2.64%～5.90%;对硝基苯酚在9.72～486 ng范围内,线性关系良好, r=0.9995.应用本方法比较了家蝇吡虫啉抗性品系与...

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Published in分析化学 Vol. 37; no. 8; pp. 1157 - 1160
Main Authors 艾国民, 王庆敏, 邹东云, 高希武, 李富根
Format Journal Article
LanguageChinese
Published 中国农业大学农学与生物技术学院昆虫学系,北京,100193 2009
Subjects
吡虫啉
细胞色素P450
高效液相色谱
O-脱甲基
家蝇
Online AccessGet full text
ISSN0253-3820
DOI10.3321/j.issn:0253-3820.2009.08.012

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Abstract O6; 建立了以乙酸乙酯/正己烷为终止剂(含1% H3PO4)和萃取剂,利用高效液相色谱,ZORBAX Eclipse XDB C18色谱柱,梯度洗脱,在316 nm检测,外标法分析对硝基苯酚的生成量,表征家蝇粗酶液中细胞色素P450催化的对硝基苯甲醚 O-脱甲基活性的新方法.本方法的检出限为0.1 ng; 分析精密度的RSD为1.02%; 0.351, 1.755和8.755 μg对硝基苯酚3个添加水平的回收率为92.34%～87.60%; 回收率的RSD为2.64%～5.90%;对硝基苯酚在9.72～486 ng范围内,线性关系良好, r=0.9995.应用本方法比较了家蝇吡虫啉抗性品系与敏感品系细胞色素P450的活性差异.结果表明,家蝇抗性品系的P450 O-脱甲基活性是敏感品系的3.34倍; 细胞色素P450活性的提高是家蝇对吡虫啉产生抗性的一个重要机制.
AbstractList O6; 建立了以乙酸乙酯/正己烷为终止剂(含1% H3PO4)和萃取剂,利用高效液相色谱,ZORBAX Eclipse XDB C18色谱柱,梯度洗脱,在316 nm检测,外标法分析对硝基苯酚的生成量,表征家蝇粗酶液中细胞色素P450催化的对硝基苯甲醚 O-脱甲基活性的新方法.本方法的检出限为0.1 ng; 分析精密度的RSD为1.02%; 0.351, 1.755和8.755 μg对硝基苯酚3个添加水平的回收率为92.34%～87.60%; 回收率的RSD为2.64%～5.90%;对硝基苯酚在9.72～486 ng范围内,线性关系良好, r=0.9995.应用本方法比较了家蝇吡虫啉抗性品系与敏感品系细胞色素P450的活性差异.结果表明,家蝇抗性品系的P450 O-脱甲基活性是敏感品系的3.34倍; 细胞色素P450活性的提高是家蝇对吡虫啉产生抗性的一个重要机制.
Author 高希武
李富根
艾国民
邹东云
王庆敏
AuthorAffiliation 中国农业大学农学与生物技术学院昆虫学系,北京,100193
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WANG Qing-Min
ZOU Dong-Yun
GAO Xi-Wu
AI Guo-Min
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Keywords 吡虫啉
细胞色素P450
高效液相色谱
O-脱甲基
家蝇
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Snippet O6; 建立了以乙酸乙酯/正己烷为终止剂(含1% H3PO4)和萃取剂,利用高效液相色谱,ZORBAX Eclipse XDB C18色谱柱,梯度洗脱,在316 nm检测,外标法分析对硝基苯酚的生成量,表征家蝇粗酶液中细胞色素P450催化的对硝基苯甲醚 O-脱甲基活性的新方法.本方法的检出限为0.1 ng;...
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Title 高效液相色谱法测定家蝇细胞色素P450 O-脱甲基活性
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