Highly sensitive determination of aminoglycoside residues in food by sheathless CE-ESI-MS/MS

文献情報

出版日 2019-09-13

DOI 10.1039/C9AY01728C

インパクトファクター 2.896

著者

Yue Yu, Ying Liu, Wentao Wang, Yanbo Jia, Guiping Zhao, Xinxiang Zhang, Hongxu Chen, Yinglin Zhou

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要旨

Aminoglycosides (AGs) are an important class of antibiotics that have a good bactericidal effect on Gram-positive and Gram-negative bacteria. Long-term consumption of AGs may cause many allergic reactions due to their high affinity to tissue. It is necessary to develop a sensitive and reliable analytical method for trace-level AGs in food. A capillary electrophoresis-electrospray ionization-tandem mass spectrometry (CE-ESI-MS/MS) method was established for the determination of AGs. High sensitivity was achieved by using a sheathless CE-MS interface and transient isotachophoresis. Under the optimized conditions, four AGs were separated by CE and quantified by MS detection with high sensitivity. The limit of quantitation for the four AGs in milk was 0.67 μg kg−1. The recoveries of the four AGs in spiked milk ranged from 76.20 to 110.00% with relative standard deviations of 7.25–13.73%. The results indicated that sheathless CE-ESI-MS/MS would be a sensitive and effective platform for AG detection in food.

掲載誌

Analytical Methods

CiteScore: 5.1

自己引用率: 3.7%

年間論文数: 655

Analytical Methods welcomes early applications of new analytical and bioanalytical methods and technology demonstrating the potential for societal impact. We require that methods and technology reported in the journal are sufficiently innovative, robust, accurate, and compared to other available methods for the intended application. Developments with interdisciplinary approaches are particularly welcome. Systems should be proven with suitably complex and analytically challenging samples. We encourage developments within, but not limited to, the following technologies and applications: global health, point-of-care and molecular diagnostics biosensors and bioengineering drug development and pharmaceutical analysis applied microfluidics and nanotechnology omics studies, such as proteomics, metabolomics or glycomics environmental, agricultural and food science neuroscience biochemical and clinical analysis forensic analysis industrial process and method development

Highly sensitive determination of aminoglycoside residues in food by sheathless CE-ESI-MS/MS

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