The determination of patulin from food samples using dual-dummy molecularly imprinted solid-phase extraction coupled with LC-MS/MS
文献类型： 外文期刊
第一作者： Zhao, Minjuan
作者： Zhao, Minjuan;Shao, Hua;He, Yahui;Li, Hui;Yan, Mengmeng;Jiang, Zejun;Wang, Jing;She, Yongxin;He, Yahui;Yan, Feiyan;Wang, Yanli;Abd El-Aty, A. M.;Abd El-Aty, A. M.;Hacimuftuoglu, Ahmet
作者机构：
关键词： Patulin; Molecularly imprinted polymers; Food; Solid-phase extraction; High-performance liquid chromatography - tandem mass spectrometry
期刊名称：JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES （ 影响因子：3.205； 五年影响因子：3.068 ）
ISSN： 1570-0232
年卷期： 2019 年 1125 卷
页码：
收录情况： SCI
摘要： A molecularly imprinted polymer (MIP) with specific adsorption for patulin was successfully polymerized by precipitation polymerization using 2-oxindole (2-oxin) and 6-hydroxynicotinic acid (6-HNA) as dummy template molecules, methylacrylic acid (MAA) as a functional monomer, trimethylolpropane trimethacrylate (TRIM) as a crosslinker, 2,2-azobis-(2-methylpropionitrile) (AIBN) as a initiator, and methanol as a porogen solvent. The molecularly imprinted solid phase extraction (MI-SPE) column was prepared using the polymer as a sorbent and applied for the selective extraction of patulin from real samples. The results showed that the MI-SPE method had high selectivity and specific adsorption towards patulin with mean recoveries ranged between 81.3% and 106.3% and a relative standard deviation (RSD) < 4.5%. Additionally, the developed MI-SPE method coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS) exhibited good linearity in the range of 1-100 ng mL(-1) with correlation coefficients (R-2) > 0.998. The limits of detection (LODs, S/N = 3) were 0.05-0.2 ng g(-1), and the limits of quantification (LOQs, S/N = 10) were 0.2-0.5 ng g(-1). The developed method showed a better purification and higher patulin recovery for real samples than the quick, easy, cheap, effective, rugged, safe "QuEChERS" method.
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