高效液相色谱-串联质谱法同时测定生物样品中酪氨酸及其代谢产物

Journal of Nanchang University (Natural Science)(2014)

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Abstract
建立了高效液相色谱-串联质谱法测定乳腺癌患者血清中多巴、酪氨酸、对羟苯基乳酸和酪胺的分析方法。在已优化的质谱条件下,待测物在6 min内完成分离,且效果良好。结果表明,4种物质的检出限在0.0005~0.20 mg·L-1之间;定量限在0.001~0.40 mg·L-1之间;线性相关系数在0.9989~0.9997之间,线性关系较好。血清中4种待测物在3个不同加标水平下的平均回收率在85.2%~114.0%之间,相对标准偏差在0.7%~8.5%之间。以上结果表明,该方法准确可靠,可用于实际样品的测定。
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Key words
Tyrosine,Tyrosine metabolites,High-performance liquid chromatography with tandem mass spectrometry,Biological sample
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