液体-液体提取溶剂选择用于比较全血和干血斑点中的非法药物与LC-MS-MS
Melike Aydoğdu1, Hasan Ertaş2, Fatma Nil Ertaş2
1Institute on Drug Abuse, Toxicology and Pharmaceutical Science, Ege University, Bornova, Izmir 35100, Türkiye.
Journal of analytical toxicology
|October 4, 2024
概括
这项研究开发了一种可靠的液体染色学-并联质谱法 (LC-MS-MS) 方法,用于同时检测全血和干血斑点 (DBS) 中的安非他命,甲他命,吗啡,二甲和大麻. 两个矩阵的结果被发现是兼容和可互换的.
科学领域:
- 法医毒理学 法医毒理学
- 分析化学 分析化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 在生物样本中准确检测药物对于临床和法医毒理学至关重要.
- 干血点 (DBS) 采样比传统的全血采集提供了优势,包括易于运输和减少样本体积.
- 对多种滥用药物的同时分析需要强大且经过验证的分析方法.
研究的目的:
- 开发和验证一种灵敏,快速和可靠的液体染色学-并联质谱法 (LC-MS-MS) 方法,用于同时量化五种药物.
- 为了比较分析性能和从全血和干血斑点 (DBS) 矩阵中获得的结果.
- 为了选择适用于两种血液基质的液液提取 (LLE) 的最佳溶剂混合物.
主要方法:
- 使用LC-MS-MS.同时检测安非他命,3,4-甲基二氧化甲胺,吗啡,烯基和11-nor-9-carboxy-tetrahydrocannabinol使用LC-MS-MS.
- 优化液体-液体提取溶剂混合物 (甲醇:乙二,40:60v/v) 的整体血液和DBS.
- 方法验证包括线性,量化极限 (LOQ),分析回收和分析物稳定性评估.
主要成果:
- 一种经过验证的LC-MS-MS方法实现了所有分析样品的10-25 ng/mL的LOQ值和高达500 ng/mL的线性范围,相关系数> 0.99.
- 在全血和DBS.全血和DBS.全血和DBS.全血分析中,分析回收率从84.9%到113.2%不等.
- 来自DBS分析的结果显示高相关性 (r=0.9625) 和统计相容性与全血结果,表明可互换性.
结论:
- 开发的LC-MS-MS方法具有灵敏度,准确性和可靠性,可同时确定全血和DBS中的目标分析物.
- 该研究表明,DBS是这些药物的全血分析的可行和可互换的矩阵,简化了样本处理和物流.
- 优化的提取溶剂和色谱条件为法医和临床环境中的药物测试提供了一个强大的平台.
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