基于酸的液态-固态相转换的微提取:从人类尿液中提取他类药物,然后进行染色学分析
Natalia Manousi1, Paraskevas D Tzanavaras2, Constantinos K Zacharis1
1Laboratory of Pharmaceutical Analysis, School of Pharmacy, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
Talanta
|August 25, 2023
概括
一种使用酸的新型微提取方法.
科学领域:
- 分析化学 分析化学
- 分离科学 分离科学
- 生物医学分析 医学分析
背景情况:
- 在治疗药物监测中,对人类尿液中的他类药物 (lovastatin,simvastatin) 的量化是至关重要的.
- 现有的方法可能涉及复杂的程序或潜在的分析物降解.
- 需要开发高效,选择性和绿色样品准备技术.
研究的目的:
- 开发和验证一种新的微提取方法,用于量化人体尿中的洛瓦斯塔丁和西姆瓦斯塔丁.
- 为了有效地预处理样品,利用佐酸的液体-固体相位过渡.
- 评估开发的方法的绿色性和实际适用性.
主要方法:
- 子酸的液态-固态相转换是由提取的pH值改变引发的.
- 关键参数的优化:提取剂,酸类型/度,样品体积.
- 使用准确性概况和总错误概念的方法验证.
- 使用绿色分析程序指数评估方法的绿色性.
主要成果:
- 该方法实现了高效率,在一个步骤中实现了快速分散和相位分离.
- 量化在100-5000 ng/mL范围内,β-预期耐受性间隔在±15%内.
- 精确度很高 (一天内<4.7%,一天内<4.3%) 和低检测极限 (15 ng/mL).
- 酸在酸化过程中最小化了分析物的相互转换.
- 该方法对真实尿样具有良好的选择性和快速性.
结论:
- 提出的基于酸的微提取方法是一种选择性,快速和高效的工具,用于分析人类尿液中的他类药物.
- 该方法表现出绿色分析特性,使其对环境友好.
- 它适用于在真实人体尿样中分析他类药物,比传统技术具有优势.
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