Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry Analysis of 16 Kinds of Residual Antibiotics in Chicken Manure
文献类型: 外文期刊
第一作者: Wu Dan
作者: Wu Dan;Zou De-Xun;Wu Dan;Han Mei-Lin;Wang Xu-Ming;Gao Min;Qiu Tian-Lei
作者机构:
关键词: Tetracycline;Sulfonamide;Fluoroquinolone;Macrolide;Solid-phase extraction;Ultra performance liquid chromatography-tandem mass spectrometry;Animal and poultry manure
期刊名称:CHINESE JOURNAL OF ANALYTICAL CHEMISTRY ( 影响因子:1.134; 五年影响因子:0.909 )
ISSN: 0253-3820
年卷期: 2017 年 45 卷 9 期
页码:
收录情况: SCI
摘要: A sensitive and effective method for determination of 16 kinds of antibiotics, including tetracycline, sulfonamide, fluoroquinolone and macrolide, in livestock and poultry manure using solid phase extraction-ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was established. Aiming at the chemical properties and sample impurities of the target, the parameters such as mass spectrum conditions, types of extraction and ultrasonic power were optimized. Finally, the samples were extracted with 50% acetonitrile in phosphate buffer solution (pH = 4) for three times, followed by ultrasonic steaming, centrifugal and rotary, dilution, and purified by SAX-HLB. After sample loading, the solid phase was washed with 10 mL of methanol. acetone (80:20, V/V), evaporated to near dryness at 35 degrees C, and then re-dissolved and vortex mixed in 1 mL of 0. 1% formic acid:methanol (1:1, V/V). The extracts were analyzed with UPLC-MS/MS and calculated by external standard method based on the monitored production. The results indicated that the average spiked recoveries of tetracycline, sulfonamide, fluoroquinolone and macrolide in manure were 56. 4%-94. 6% with relative standard deviations (RSDs) of 2. 6%-19. 8%, the LODs (S/N = 3) were 0. 01-2. 50 mu g/kg, and the LOQs (S/N = 10) were 0. 05-7. 90 mu g/kg. The method was simple with high stability, high sensitivity and good reproducibility, and suitable for the simultaneously determination of many antibiotics in animal and poultry manure.
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