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Establishment, application and comparison of three immunoaffinity pretreatment techniques for mycotoxins systematically

文献类型： 外文期刊

作者： Tian, Ye 1 ; Liu, Zhaoying 1 ; Sun, Mingna 3 ; Duan, Jinsheng 3 ; Verheecke-Vaessen, Carol 4 ; Du, Daolin 2 ; Li, Ming 1 ;

作者机构： 1.Jiangsu Univ, Inst Environm Hlth & Ecol Secur, Sch Environm & Safety Engn, Zhenjiang 212013, Peoples R China

2.Jiangsu Univ, Inst Environm & Ecol, Jingjiang Coll, Sch Environm & Safety Engn, Zhenjiang 212013, Peoples R China

3.Minist Agr, Anhui Acad Agr Sci, Key Lab Agroprod Safety Risk Evaluat Hefei, Inst Plant Protect & Agroprod Safety, Hefei 230031, Anhui, Peoples R China

4.Cranfield Univ, Appl Mycol Grp, Environm & AgriFood Theme, Cranfield, England

5.Suzhou Univ Sci & Technol, Jiangsu Collaborat Innovat Ctr Technol & Mat Water, Sch Environm Sci & Engn, Suzhou 215009, Peoples R China

关键词： Immunoaffinity pretreatment; Magnetic bead; Protein G; Application; Comparison

期刊名称：JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION （ 影响因子：2.9； 五年影响因子：3.0 ）

ISSN： 2193-4126

年卷期： 2024 年

页码：

收录情况： SCI

摘要： To further promote the pretreatment technique, the immunoaffinity column (IAC), immunoaffinity magnetic (IAM) and multi-component immunoaffinity magnetic (multi-IAM) for mycotoxins were developed and evaluated systematically. Anti-mycotoxin-McAbs had immobilized on the CNBr-Sepharose 4B, carboxyl magnetic bead and protein G magnetic bead to prepare the IAC/IAM/multi-IAM, respectively. The capture efficiencies of mycotoxins (100 ng) reached 92.8% for IAC and exceeded 94.0% for IAM/multi-IAM. The multi-IAM showed more beneficial features in multiple targets, pretreatment time and recycling time than IAC/IAM, which could simultaneously pretreat AFB1/DON/ZEN in 15 min with three recycling times. The recoveries of IAC/IAM/multi-IAM coupled with ELISA ranged from 85.2 to 105.1%, with RSD between 4.0 and 13.2%. Moreover, the mycotoxin-positive authentic samples were detected from 1.1 to 749.6 ng/g by ELISA, and 1.2 to 762.7 ng/g by LC-MS/MS, with correlated R2 exceeding 0.9955. The proposed IAC/IAM/multi-IAM owned the desired performance, such as specificity, accuracy, simpleness, efficiency, cost-effectiveness, simultaneity and environmentally friendly. This study can provide the theoretical basis for three immunoaffinity pretreatment techniques systematically, which may guide their application under different requirements and scenarios.

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