Determination of 23 β_2-agonists and 5 β-blockers in animal muscle by high performance liquid chromatography-linear ion trap mass spectrometry |
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基金项目: | support from the National Natural Science Foundation of China (Grant No. 20837003);;the National Key Technology R&D Program of the 11th Five Year Plan (Grant Nos. 2006BAK02A27 & 2006BAK01A02-5) |
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摘 要: | A high performance liquid chromatography-linear ion trap mass spectrometry method using isotope dilution technique has been developed for the simultaneous determination of 23 β2-agonists and 5 β-blockers in animal muscle tissues. Pork and chicken muscle samples were acid hydrolyzed and extracted with 5% trichloracetic acid in water, and then cleaned up using MCX solid phase extraction (SPE) cartridge. Methanol and 0.1% formic acid were used as mobile phases for gradient elution. A Waters AtlantisT3 column ...
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关 键 词: | β2-agonists β-blockers muscle determination HPLC-ITMS |
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