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Study on Determination and Distribution of GHB in Biological Fluids and Tissues of Acute Poisoned Rats
Author(s): 
Pages: 55-57
Year: Issue:  1
Journal: JOURNAL OF FORENSIC MEDICINE

Keyword:  γ-羟基丁酸(GHB)气/质联用法体内分布急性中毒;
Abstract: 目的建立生物检材中γ-羟基丁酸(GHB)的检测方法,研究GHB急性中毒大鼠体内GHB的分布,为GHB中毒的鉴定提供方法和评价依据.方法用GC/MS法检测生物检材中的GHB;以1 000mg/kg剂量给大鼠灌胃使其染毒,分别于1 h和3h处死,测定体液和组织中GHB的含量.结果测组织中内源性GHB的线性范围是1~20μg/g,R2=0.9974;测组织中外源性GHB的线性范围为100~1 500μg/g,R2=0.9958.相对回收率为98%~103%.体内内源性GHB的含量均≤10μg/mL或10μg/g.尿液中GHB含量为最高,其他依次为:胃、血液、肠、肾、肺、脾、心、肝和脑.结论所建方法准确、便捷,适用于GHB中毒的鉴定;尿液是体内检测GHB的最佳检材.
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