在法医调查中涉及合成甲基素α-PHP,α-PiHP,MDPHP和MDPiHP的案例系列
Munchelou M Gomonit1, Sara E Walton2, Donna M Papsun3
1Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, 1200 SW 34th Street, Gainesville, FL 32607, United States.
Forensic science international
|March 14, 2026
概括
这项研究开发了一种方法来区分类似的合成甲基,α-PHP和α-PiHP. 准确的鉴定对于解释新型精神活性物质 (NPS) 毒药和死亡事件至关重要.
科学领域:
- 法医化学 法医化学
- 分析化学 分析化学
- 毒理学 毒理学 毒理学
背景情况:
- 合成的甲基,特别是像alpha-PHP和alpha-PiHP这样的pyrovalerone衍生物,是普遍存在的新型精神活性物质 (NPS).
- 区分这些化合物的结构异构体是具有挑战性的,但对于准确的毒理学评估至关重要.
- 现有的分析方法可能无法充分分离密切相关的合成丁异构体.
研究的目的:
- 开发和验证一种液体染色学-并联四极质谱法 (LC-QQQ-MS) 方法,用于量化和分离alpha-PHP与alpha-PiHP,以及MDPHP与MDPiHP.
- 应用经过验证的方法来分析涉及疑似暴露于pyrrolidinohexiophenone的法医病例.
- 评估单个异构体的毒理学意义,如MDPiHP.
主要方法:
- 开发一个验证的LC-QQQ-MS方法.
- 使用四点标准加法方法进行量化.
- 样品的制备过程包括液体-液体提取,使用玻缓冲剂和N-丁化物和乙烯酸的混合物.
主要成果:
- 该方法成功地分离了结构异构体alpha-PHP/alpha-PiHP和MDPHP/MDPiHP.
- 对10例病例的分析显示,α-PiHP的度范围很宽,中毒和致命水平之间重叠.
- 在一个案例中,MDPiHP被独立确定,表明了潜在的独立毒理风险.
结论:
- 经过验证的LC-QQQ-MS方法提供了精确的定量和分离关键的合成丁异构体.
- 区分异构体至关重要,以避免在NPS相关的中毒和死亡事故中错误分类因果关系.
- 独立识别MDPiHP强调需要考虑个别NPS异构体带来的特定风险.
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