验证一个HPLC-DAD方法用于纳米颗粒中的奎尔素量化
Daniel Carvalho1, Ângelo Jesus1,2, Cláudia Pinho1,2
1Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal.
Pharmaceuticals (Basel, Switzerland)
|December 23, 2023
概括
一种经过验证的高性能液体色谱法准确量化纳米颗粒中的奎尔塞丁. 这种分析技术可确保药品质量控制,用于氨酸输送系统和药物动力学研究.
科学领域:
- 分析化学 分析化学
- 制药科学 制药科学
- 纳米技术 纳米技术
背景情况:
- 准确量化素对于制药配方开发和质量控制至关重要.
- 评估奎尔素输送系统和药理动力学需要经过验证的分析方法.
- 现有的方法可能缺乏复杂矩阵所需的灵敏度或效率.
研究的目的:
- 通过二极管阵列检测 (HPLC-DAD) 方法验证高性能液体色谱,用于纳米颗粒中测量素的量化.
- 优化移动阶段条件和检测波长,用于敏感和选择性氨酸分析.
- 评估关键验证参数,包括精度,准确性,线性,灵敏度,稳定性和选择性.
主要方法:
- 开发和验证一个HPLC-DAD方法.
- 测试各种移动相组合和检测波长 (254 nm和368 nm).
- 基于已确定的验证参数对方法性能进行评估.
主要成果:
- 最佳分析在368nm以1.5%的酸移动相和55:40:5.5的水/酸/甲醇比率实现.
- 该方法表现出极好的线性 (R2>0.995),特异性和可重复性 (CV 2.46.7%).
- 观察到高精度 (88.6110.7%),低检测 (0.046μg/mL) 和量化 (0.14μg/mL) 极限,以及在4°C时更好的稳定性.
结论:
- 经过验证的HPLC-DAD方法是敏感的,高效的,适合量化纳米颗粒中的奎尔丁.
- 这种方法在偏差评估参数方面超越了最近的分析方法,并且比光谱光度计技术具有优势.
- 经过验证的方法为制药开发和未来分析复杂生物矩阵的质量控制提供了可靠的工具.
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