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小分子半抗原直接包被ELISA用于虾肉氯霉素检测 被引量:2

Amination Small Molecular Hapten Coupled Directly ELISA for the Detection of Chloramphenicol in Shrimp Samples
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摘要 探讨新型氨基化小分子半抗原直接包被ELISA方法检测食品中氯霉素残留的可行性。采用氨基化氯霉素直接包被在经戊二醛活化后的酶标板表面,并通过生物素-链霉亲和素放大系统进一步提高该检测方法的灵敏度。结果表明,氨基化小分子半抗原直接包被ELISA的灵敏度和最低检出限分别为12.9 ng/mL和0.7 ng/mL,CV%为1.8%~4.5%。新型氨基化小分子半抗原直接偶联ELISA具有灵敏度高,干扰少,检测步骤简便、操作安全,测定结果较准确可靠。 The novel ELISA was developed for monitoring chloramphenicol remains in food by the directly attaching small molecule hapten with amino groups to the microtiter plate surface. chloramphenicol with amino-groups was directly coated on the surface of microtiter plates by treating with glutaraldehyde solution , and biotin-streptavidin system was employed to improve the sensitivity of immunoassay. The sensitivity of the new ELISA was 12.9 ng/mL, CV%was 1.8%-4.5%. The novel amination small molecule hapten coupled directly ELISA has many advantages, such as high sensitivity, less interference, simple operation and so on.
出处 《食品研究与开发》 CAS 北大核心 2014年第18期64-67,共4页 Food Research and Development
基金 国家自然科学基金青年科学基金项目(81302430) 中国博士后科学基金面上资助项目(2014M560192) 天津市高等学校科技发展基金(20110143)
关键词 小分子半抗原 直接包被 ELISA Small molecular hatpens Directly coated format ELISA
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参考文献7

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二级参考文献16

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