使用SPE和CE-MS/MS在环境水域中对胺类刺激剂的对抗选择性确定
Pol Clivillé-Cabré1, Francesc Borrull1, Carme Aguilar1
1Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Tarragona, Spain.
Electrophoresis
|January 24, 2026
概括
一种新的性毛细管电泳-并联质谱法有效地分离环境水中的安非他胺类物质反体. 这种技术有助于监测药物滥用和了解合药物的环境影响.
科学领域:
- 环境化学环境化学
- 分析化学 分析化学
- 法医科学 法医科学 法医科学
背景情况:
- 对胺类物质 (ATS) 滥用的担忧越来越大,需要对环境水域进行监测.
- 状ATS酶体表现出明显的药理和环境行为,需要选择性分析方法.
- 现有的方法可能缺乏复杂环境矩阵所需的灵敏度或反体区分.
研究的目的:
- 开发和验证一种与联质谱法 (CE-MS/MS) 方法相结合的状毛细管电泳,用于环境水样中的ATS的酶体分析.
- 通过分析来自河流和废水处理厂的样本,评估该方法在现实场景中的适用性.
- 评估该方法的绿色分析化学原理,并将其与传统的液态染色学 (LC) 方法进行比较.
主要方法:
- 开发一种CE-MS/MS方法,在背景电解质中使用双循环德克斯 (CD) 系统 (2-基-β-CD和γ-CD) 来进行反体分离.
- 固相提取 (SPE) 使用混合模式阴离子交换吸附剂 (ExtraBond SCX) 进行样品预处理.
- 污水处理厂 (WWTP) 的影响,废水和河水样本的分析.
主要成果:
- 通过使用CE-MS/MS.中开发的双CD系统实现了目标ATS反体的基线分辨率.
- 该方法显示恢复率在40%至67%之间,检测极限在0.1至0.8μg/L之间.
- 3,4-甲基二氧化甲胺 (MDMA) 的反体被检测到WWTP的影响和废水中;在影响样本中发现了R-安非他胺. 在河水中没有检测到任何目标化合物.
结论:
- 开发的合式CE-MS/MS方法是稳固的,适合在环境水域中对ATS进行酶体分析.
- 该方法利用基于有效的移动性,电流和选择性CD相互作用的高效分离.
- CE-MS/MS方法提供了环境优势,包括最小的溶剂消耗和无毒的选择器,使其成为基于LC的技术的更绿色替代品.
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