食品科学 ›› 2011, Vol. 32 ›› Issue (4): 284-287.doi: 10.7506/spkx1002-6630-201104063

• 技术应用 • 上一篇    下一篇

甲拌磷残留检测间接竞争ELISA试剂盒的研制

魏松红,逄若霖,王 翀,纪明山,谷祖敏,祁之秋,王英姿   

  1. 沈阳农业大学植物保护学院
  • 出版日期:2011-03-12 发布日期:2017-04-06
  • 基金资助:
    沈阳农业大学中、青年硕士生导师资助项目

Development of Indirect ELISA Kit for Detecting Phorate Residue

WEI Song-hong,PANG Ruo-lin,WANG Chong,JI Ming-shan,GU Zu-min, QI Zhi-qiu,WANG Ying-zi   

  1. College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China
  • Online:2011-03-12 Published:2017-04-06

摘要: 研制用于检测甲拌磷残留量的间接竞争ELISA试剂盒。甲拌磷包被抗原的最佳工作质量浓度为4mg/L,抗体的最佳稀释倍数为8000,甲拌磷多克隆抗体交叉反应率小于20%,甲拌磷抑制率回归曲线为y=18.846x+6.9949,在1~5000μg/L范围内呈线性关系,检测限为4.90μg/L,IC50为191.37μg/L。甲拌磷试剂盒的添加回收率均高于75%,供试样品检测结果的批内和批间变异系数均低于10%。试剂盒在4℃或-20℃下有效期为270d。

关键词: 甲拌磷, 残留, 酶联免疫吸附测定法, 试剂盒

Abstract: An indirect enzyme-linked immunosorbent assay(ELISA)kit was developed to monitor phorate residue. The optimal concentration of coating antigen was 4 mg/L and the optimal dilution ratio of antibody was 8000. The cross-reaction ratio was less than 20%. The regression equation of inhibition rate for phorate was y = 18.846x+6.9949 with a linear detection range of 1-5000μg/L. Results indicated that the detection limit was 4.90μg/L and IC50 was 191.37μg/L. The recovery rates were higher than 75%. The intra-assay and inter-assay coefficients were less than 10%. The developed kit can be stored at 4℃ or-20 ℃ for 270 days.

Key words: phorate, residue, enzyme-linked immunosorbent assay(ELISA), kit

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