应用上风
■从乳品或肉类中快速萃取氨基糖苷类抗生素
沃特世办理方案
ACQUITY UPLC® 体系
ACQUITY® TQD 质谱仪
ACQUITY UPLC HSS PFP 色谱柱
Oasis® HLB 萃取柱
聚丙烯样品瓶
要害词
氨基糖苷类抗生素、固相萃取、乳品、牛肉、LC/MS/MS
弁言
尝试
UPLC前提
体系: ACQUITY UPLC
进样量: 30 µL
温度: 35°C
流速: 0.50 mL/min
质谱前提
质谱仪: ACQUITY TQD
毛细管电压:3.0 kV
萃取锥孔电压:3.0 V
离子源温度:130 °C
锥孔气体流速:20 L/h
脱溶剂温度: 450 °C
脱溶剂气体流速: 900 L/h
样品制备
萃取缓冲液 (10 mM NH4OOCH3/0.4 mM Na2EDTA/1% NaCl/2% TCA):
起源萃取:
SPE净化:
功效与接头
以同份异构体情势呈现并获得部门疏散。对这些样品的峰面积举办加和,以便举办定量说明。
结论
参考文献
1. Screening and Confirmation for Aminoglycosides by UHPLC-MS-MS
(United States Department of Gariculture Food Safety and Inspection Service
Office of Public Health Science).
2. Plozza T Trenerry VC Zeglinski P Nguyen H Johnstone P. The Confirmation and Quantification of Selected Aminoglycoside Residues in Animal Tissue
and Bovine Milk by Liquid Chromatography Tandem Mass Spectrometry.
International Food and Research Journal. 2011; 18(3): 1077-1084.