LIU Jia,WANG Jian-feng,GAO Li-juan,et al.Qualitative Non-targeted Screening of 79 Drug Residues in Pork by Ultra-performance Liquid Chromatography Quadrupole Time-of-flight Mass Spectrometry[J].Journal of Instrumental Analysis,2022,41(12):1729-1737.
LIU Jia,WANG Jian-feng,GAO Li-juan,et al.Qualitative Non-targeted Screening of 79 Drug Residues in Pork by Ultra-performance Liquid Chromatography Quadrupole Time-of-flight Mass Spectrometry[J].Journal of Instrumental Analysis,2022,41(12):1729-1737. DOI: 10.19969/j.fxcsxb.22061703.
Qualitative Non-targeted Screening of 79 Drug Residues in Pork by Ultra-performance Liquid Chromatography Quadrupole Time-of-flight Mass Spectrometry
An analytical method was developed for qualitative non-targeted screening of 79 drug residues in pork by ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry(UPLC-Q-TOF MS).The samples were firstly extracted with 0.5%(by volume) formic acid-acetonitrile,then extracted with methanol.After centrifugation,the supernatant was cleaned up with FAVEX-NM50 rapid column of veterinary drug residues,then separated on an Acquity UPLC BEH HSS-C,18, column(2.1 mm × 150 mm,1.7 μm),ionized in ESI,+, mode,and detected in MS,E, mode.The calibration curves for 79 drugs had good linearity in the linear range with correlation coefficients(,r,2,) not less than 0.99. The limits of detection and the limits of quantitation were in the ranges of 0.05-10 μg/kg and 0.10-20 μg/kg,respectively.The simulated positive samples and commercial pork samples were screened using the self-built mass spectrometry database.Meanwhile,the commercial pork samples were detected by high sensitivity Xevo TQ-S tandem quadrupole mass spectrometry in multiple reaction monitoring(MRM) mode.Method validation showed that the established method was efficient,rapid and high throughput,which is suitable for the screening and identification of drug residues in pork.
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Rapid Screening of 139 Kinds of Drug Residues in Lotion by Dispersive Liquid-Liquid Microextraction/Ultra Performance Liquid Chromatography-Quadrupole/Exactive Orbitrap Mass Spectrometry
Determination of Five Peptide Antibiotics in Pork by HPLC-MS/MS Based on Pass-through Solid Phase Extraction
Non-targeted Screening and Risk Assessment of Nonvolatile Migrants in Paper Straws
Non-targeted Screening of Phenylurea Pesticides in Apples by Ultra-high Performance Liquid Chromatography-Quadrupole/Electrostatic Field Orbitrap High Resolution Mass Spectrometry
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