Preparation, identification, and preliminary application of monoclonal antibody against pyrethroid insecticide fenvalerate
文献类型: 外文期刊
第一作者: Li, Peiwu
作者: Li, Peiwu;Zhang, Qi;Li, Peiwu;Zhang, Wen;Wang, Xiupin;Li, Peiwu
作者机构:
关键词: Enzyme-linked immunosorbent assay (ELISA);Fenvalerate;Hapten;Monoclonal antibody;Pyrethroid insecticide
期刊名称:ANALYTICAL LETTERS ( 影响因子:2.329; 五年影响因子:1.738 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Monoclonal antibodies (MAbs) against pyrethroid insecticide fenvalerate were achieved, identified, and applied in environmental water. Mice were immunized with a novel synthesized hapten conjugated with bovine serum albumin (BSA). Three positive clones of MAbs were obtained after cell fusion and hybridoma selection, among them MAb-2 (5B10) showed the highest reactivity toward fenvalerate. The IC_(50) of MAb-2 was 94.5 ngmL~(-1); moreover, it showed lower cross-reactivity with other pyrethroids such as bifenthrin, tetramethrin, deltamethrin and beta-cypermethrin. Optimization of enzyme-linked immunosorbent assay (ELISA) was studied. The limit of detection (LOD) of the assay was 8.8 ngmL~(-1) and the detection range was 0.017-27.33 μgmL~(-1). For preliminary application, addition recovery experiments in water samples were performed. The mean recoveries of three kinds of samples varied from 90.6% to 108.7% and the coefficients of variation ranged from 0.5% to 5.3%. The results showed that MAb-2 could be used for the detection of fenvalerate contamination in environmental water.
分类号: O65
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