Antibody for the development of specific immunoassays to detect nadifloxacin in chicken muscles
A convenient and specific competitive enzyme-linked immunosorbent assay (ELISA) for nadifloxacin (NDF) was developed. The modified 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) method was employed to synthesise the artificial antigen of NDF. The indirect competitive ELISA developed to detect NDF has a concentration at 50% inhibition (IC50) of 0.72 ng/mL and a limit of detection of 0.04 ng/mL. This ELISA kit could be used as a screening method to detect and control the illegal content of NDF in food products. In this study, the kit was applied to NDF detection in chicken muscle and produced a satisfactory result with recovery rates from samples spiked with NDF of 92% (10 ng/mL) and 101% (50 ng/mL).
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Document Type: Research Article
Affiliations: State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu, 214122, P.R. China
Publication date: May 4, 2015