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Multiplex Flow Cytometric Immunoassays for High-Throughput Screening of Multiple Mycotoxin Residues in Milk

Microsphere-based immunoassays involving flow cytometry have recently gained popularity for use in protein detection and infectious disease diagnosis due to their simple assay format and capacity for multiplexed analysis. In this work, four mycotoxins, including aflatoxin M 1 (AFM 1 ), ochratoxin A...

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Published in:Food analytical methods 2019-04, Vol.12 (4), p.877-886
Main Authors: Qu, Jianwen, Xie, Huijuan, Zhang, Shuying, Luo, Pengjie, Guo, Ping, Chen, Xianxiong, Ke, Yuebin, Zhuang, Junyu, Zhou, Fangmei, Jiang, Wenxiao
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container_title Food analytical methods
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creator Qu, Jianwen
Xie, Huijuan
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Luo, Pengjie
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Chen, Xianxiong
Ke, Yuebin
Zhuang, Junyu
Zhou, Fangmei
Jiang, Wenxiao
description Microsphere-based immunoassays involving flow cytometry have recently gained popularity for use in protein detection and infectious disease diagnosis due to their simple assay format and capacity for multiplexed analysis. In this work, four mycotoxins, including aflatoxin M 1 (AFM 1 ), ochratoxin A (OTA), deoxynivalenol (DON), and fumonisin B 1 (FB 1 ), were selected as model analytes. A quadplex flow cytometric immunoassay (FCIA) was developed for detecting multiple mycotoxin residues in milk. The optimized quadplex FCIA exhibited satisfactory compatibility with the multiple mycotoxin residue analysis, with limits of detection (LODs) of 0.045 μg L −1 for AFM 1 , 0.94 μg L −1 for OTA, 7.48 μg L −1 for DON, and 2.45 μg L −1 for FB 1 . The recoveries of the target mycotoxins from spiked milk were 76–95%, with a relative standard deviation of less than 13.4%. Compared to traditional ELISA formats, the FCIA provided lower detection limits for multiple mycotoxin detection.
doi_str_mv 10.1007/s12161-018-01412-4
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subjects Aflatoxin M1
Aflatoxins
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Deoxynivalenol
Detection limits
Enzyme-linked immunosorbent assay
Flow cytometry
Food Science
Fumonisin B1
High-throughput screening
Immunoassay
Immunoassays
Infectious diseases
Microbiology
Milk
Multiplexing
Mycotoxins
Ochratoxin A
Proteins
Residues
title Multiplex Flow Cytometric Immunoassays for High-Throughput Screening of Multiple Mycotoxin Residues in Milk
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