A rapid and sensitive chemiluminescence enzyme-linked immunosorbent assay for the determination of fumonisin B1 in food samples

被引：89

作者：

Quan, Ying

Zhang, Yan

Wang, Shuo ^{[1
]}

Lee, Nanju

Kennedy, Ivan R.

机构：

[1] Tianjin Univ Sci & Technol, Tianjin Key Lab Food Nutr & Safety, Fac Food Engn & Biotechnol, Tianjin 300457, Peoples R China

[2] Univ New S Wales, Dept Food Sci, Kensington, NSW 2033, Australia

[3] Univ Sydney, Fac Agr Food & Nat Resources, Sydney, NSW 2006, Australia

来源：

ANALYTICA CHIMICA ACTA | 2006年 / 580卷 / 01期

关键词：

fumonisin B-1; enhanced chemiluminescence; enzyme-linked immunosorbent assay (ELISA); food;

D O I：

10.1016/j.aca.2006.07.063

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An enzyme-linked immunosorbent assay (ELISA) based on polyclonal antibody with enhanced chemiluminescent (ECL) detection of fumonisin B, (FBI) in food samples has been developed. Assay conditions, including concentrations of antibody and enzyme conjugate, competition time and so on, were optimized. The effects of pH and two different organic solvents were investigated. The optimized ECL-ELISA system allowed FBI determination in a linear working range of 0.14-0.9 mu g L-1 with IC50 value of 0.32 mu g L-1 and a limit of detection of 0.09 mu g L-1. The ECL-ELISA was about 10 times more sensitive and about 30% time less than that of colorimetric ELISA using the same antibody and HRP-conjugate. Good recoveries with spiked food samples were obtained, and the results correlated well with those obtained using conventional direct competition ELISA assay and HPLC method, which indicated that ECL-ELISA was capable of being applied for the specific detection and routine monitoring of FBI in food samples. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1 / 8

页数：8

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