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Magnetic Multi-Walled Carbon Nanotubes Nanomaterials as Magnetic Solid Phase Extraction Adsorbents for Simultaneous Determination of Multiple Mycotoxins in Agricultural Products by Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry

文献类型： 外文期刊

作者： Ma, Shuai 1 ; Liang, Gang 1 ; Man, Yan 1 ; Jin, Xin-Xin 1 ; Li, An 1 ;

作者机构： 1.Inst Qual Stand & Testing Technol, Beijing Acad Agr & Forestry Sci, Beijing 100097, Peoples R China

关键词： Mycotoxins; Magnetic multi-walled carbon nanotubes; Magnetic solid-phase extraction; Ultra-high performance liquid chromatography-tandem mass spectrometry

期刊名称：CHINESE JOURNAL OF ANALYTICAL CHEMISTRY （ 影响因子：1.2； 五年影响因子：1.0 ）

ISSN： 0253-3820

年卷期： 2024 年 52 卷 4 期

页码：

收录情况： SCI

摘要： A simple, rapid and efficient magnetic solid -phase extraction (MSPE) method was established by employing magnetic multi -walled carbon nanotubes (Fe 3 O 4 -MWCNTs) as adsorbents. And further, by coupling with ultra -high performance liquid chromatography -tandem mass spectrometry (UPLC -MS/MS), an accurate quantitative approach for analysis of 22 kinds of mycotoxins in agricultural products was developed. With Fe 3 O 4 -MWCNTs as MSPE adsorbents, the enrichment efficiency of various target fungal toxins was improved and the sample pretreatment time was reduced effectively. In the pre -treatment stage, the extraction solution, adsorbent type, adsorbent dosage and elution solution type were systematically optimized. Under the optimal pre -treatment conditions of MSPE, the methodological investigation of the method was carried out. Under the optimal conditions, the proposed method showed a good linearity ( R 2 -- 0.9966), high sensitivity (The limits of detection ( S / N =3) were 0.0008 -1.6337 ng/g and the limits of quantification ( S / N =10) were 0.0025 -5.4457 ng/g), adequate recoveries (71.5 %-118.4 %), and good repeatability (Intra -day precision in the range of 1.3 %-10.9 % and inter -day precision in the range of 2.3 %-11.6 %). The improved MSPE -UPLC -MS/MS analytical method had advantages inculding simplicity, rapidity and high efficiency, and could realize simultaneous detection of multiple mycotoxins in large quantities of agricultural products.

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