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Highly sensitive immunochromatographic assay for simultaneous determination of azaperone and azaperol in pork

文献类型： 外文期刊

作者： Chen, Linlin 1 ; Hu, Xiaofei 1 ; Xing, Yunrui 1 ; Sun, Yaning 1 ; Hu, Mei 3 ; Zhang, Gaiping 1 ;

作者机构： 1.Henan Acad Agr Sci, Key Lab Anim Immunol, Minist Agr, Zhengzhou 450002, Peoples R China

2.Jiangnan Univ, Sch Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China

3.Henan Agr Univ, Coll Food Sci & Technol, Zhengzhou 450002, Peoples R China

关键词： Rapid detection; Azaperone; Azaperol; Monoclonal antibody; Immunoassay strip

期刊名称：FOOD CHEMISTRY-X （ 影响因子：6.1； 五年影响因子：6.4 ）

ISSN： 2590-1575

年卷期： 2023 年 17 卷

页码：

收录情况： SCI

摘要： In this study, a sensitive immunochromatographic assay (ICA) was developed for simultaneously detecting azaperone (AZN) and its metabolite azaperol (AZL) based on the high-affinity monoclonal antibody (mAb). Herein, the hapten AZL-SA was synthesized by succinic anhydride method, and then the conjugates AZL-SA-OVA and AZL-SA-KLH were prepared by EDC/NHS method. Subsequently, mAb was produced for targets monitoring through two detection modes. In direct ICA (using gold nanoparticles labeled specific antibodies), the visual LOD of AZN was 80 ng/g. For indirect ICA (using gold nanoparticles labeled anti-species antibodies), the visual and instrumental LODs of AZN were 8 and 0.14 ng/g, and AZL were 8 and 0.12 ng/g, respectively. The results indicated that the visual detection limit (LOD) of indirect format was tenfold lower than that of direct format. The established analytical method obtains the results within 15 min and provides a sensitive and simple tool for on-site detection of AZN and AZL.

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