A magnetic solid phase extraction based on UiO-67@GO@Fe3O4 coupled with UPLC-MS/MS for the determination of nitroimidazoles and benzimidazoles in honey
文献类型： 外文期刊
作者： Xu, Yan 1 ; Li, Zuguang 2 ; Yang, Hua 1 ; Ji, Xiaofeng 1 ; Zhang, Hu 1 ; Li, Yinghong 3 ; Zhou, Min 1 ; Wang, Jianmei 1 ; Qian, Mingrong 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, Zhejiang Prov Key Lab Food Safety, Hangzhou, Peoples R China
2.Zhejiang Univ Technol, Coll Chem Engn, Hangzhou, Peoples R China
3.Zhejiang Inst Food & Drug Control, Hangzhou, Zhejiang, Peoples R China
4.Zhejiang Shuren Univ, Interdisciplinary Res Acad, Hangzhou, Peoples R China
关键词： Magnetic solid phase extraction; Metal-organic framework; Honey; Nitroimidazoles; Benzimidazoles
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 373 卷
页码：
收录情况： SCI
摘要： A novel composite material consisting of zirconium biphenyldicarboxylate metal-organic framework, graphite oxide and ferroferric oxide was fabricated by a facile one-step method and served as a magnetic solid phase extraction sorbent for the simultaneous determination of nitroimidazoles and benzimidazoles in honey. The amount of graphite oxide for the synthesis of composite material and analysis parameters were optimized. The optimum parameters were: dipotassium hydrogen phosphate buffer solution (pH 6) as diluent solvent, adsorption time 10 min, desorption time 5 min, methanol/acetonitrile (1:1, V/V) as desorption solvent. The targets were detected by ultra-high performance liquid chromatography tandem mass spectrometry. The recoveries of twelve analytes ranged in 70.5%-103.4% with relative standard deviations lower than 12.9% (n = 3). The quantification limits were 0.2-0.6 mu g/kg. Using the composite material as sorbent, a simple, rapid and environmental-friendly method based on magnetic solid phase extraction was successfully developed for determination of seven nitroimidazoles and five benzimidazoles in honey.
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