法医学杂志 ›› 2010, Vol. 26 ›› Issue (4): 269-272.DOI: 10.3969/j.issn.1004-5619.2010.04.008

• 论著 • 上一篇    下一篇

液相色谱-串联质谱法测定血液、尿液中乙基葡萄糖醛酸苷

赵  晖1,卓先义2,严  慧2,沈保华2   

  1. (1. 复旦大学 上海医学院,上海 200032; 2. 司法部司法鉴定科学技术研究所 上海市法医学重点实验室,上海 200063)
  • 发布日期:2010-08-25 出版日期:2010-08-28
  • 通讯作者: 通信作者:沈保华,男,副研究员,主要从事法医毒物学研究;Tel:021-52352955
  • 作者简介:赵晖(1984—),男,浙江杭州人,硕士研究生,主要从事法医毒物学研究
  • 基金资助:

    科技部公益基金资助项目(GY0701)

Determination of Ethyl Glucuronide in Blood and Urine by LC-MS/MS

ZHAO HUI1, ZHUO XIAN-YI2, YAN HUI2, SHEN BAO-HUA2   

  1. (1. Shanghai Medical College, Fudan University, Shanghai 200032, China; 2. Shanghai Key Laboratory of Forensic Medicine, Institute of Forensic Science, Ministry of Justice, P.R.China, Shanghai 200063, China)
  • Online:2010-08-25 Published:2010-08-28

摘要: 目的 建立血液、尿液中乙基葡萄糖醛酸苷(ethyl glucuronide,EtG)的液相色谱-串联质谱(LC-MS/MS)检测方法。 方法 血液、尿液用乙腈沉淀蛋白,离心后取上清液用LC-MS/MS检测。 结果 血液、尿液中EtG的检出限均为0.05 μg/mL,线性范围均为0.10~5.00 μg/mL(r>0.999),检测方法准确度为95%~109%,日间及日内精密度<12%。对送检案例血液中EtG进行检测,效果良好。 结论 本方法适用于血液、尿液中EtG的检测。

关键词: 法医毒理学, 血液, 尿, 液相色谱-串联质谱法, 乙基葡萄糖醛酸苷

Abstract: Objective To develop a method for determining ethyl glucuronide(EtG) in blood and urine by liquid chromatograph coupled with tandem mass spectrometer(LC-MS/MS). Methods After blood and urine de-proteined by acetonitrile, the supernate obtained from a centrifuge was analyzed by LC-MS/MS. Results Determination limit of EtG in both blood and urine was 0.05 μg/mL, with a linear range of 0.10-5.00 μg/mL(r>0.999). Accuracy in both matrixes was 95%-109%. Inter-and intra-day RSD were less than 12%. The method showed an excellent performance when it was used to analyze authentic blood and urine samples for EtG. Conclusion The method is capable for blood and urine EtG analysis.

Key words: forensic toxicology, blood, urine, LC-MS/MS, ethyl glucuronide

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