使用紫外线和光探测器同时测定 ivabradine 和 metoprolol 的 HPTLC 比较研究
M Rizk1, Shereen Mowaka1,2, Mariam Mohamed3
1Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Helwan University, 11795, Cairo, Egypt.
BMC chemistry
|September 14, 2023
概括
一种新的,经过验证的高性能薄层染色法 (HPTLC) 方法可以准确地同时确定伊瓦布拉丁 (IVA) 和甲醇 (MET). 这种敏感的方法适用于制药分析,并为HPLC提供了更绿色的替代方案.
科学领域:
- 分析化学 分析化学
- 药品分析 药品分析
背景情况:
- 同时确定多种活性药物成分 (API) 对质量控制至关重要.
- 现有的方法可能缺乏灵敏度,准确性或环境可持续性.
研究的目的:
- 开发和验证一种新,简单,准确和敏感的高性能薄层染色学 (HPTLC) 方法.
- 为了能够同时量化散装和制药配方中的伊瓦布拉丁 (IVA) 和甲醇 (MET).
- 评估该方法的绿色性,并将其性能与高性能液态染色学 (HPLC) 等既定技术进行比较.
主要方法:
- 在TLC石板上使用了带有UV吸收和光 (FL) 探测器的HPTLC.
- 采用一种特殊的开发系统::甲醇:酸:氨 (8.5:1.5:0.2:0.1,v/v).
- 根据国际协调理事会 (ICH) 的指导方针验证了该方法,包括线性,准确性,精度,选择性,LOD,LOQ和稳定性.
主要成果:
- 实现了IVA和MET的同时确定,分别具有0.45 ± 0.05和0.89 ± 0.01的明显保留因子 (Rf).
- 对于UV (50.0-900.0 ng/频段) 和FL (18.0-550.0 ng/频段) 检测模式,在指定的范围内表现出极好的线性.
- 与HPLC相比,HPTLC方法没有显示出统计学上显著的差异,表明准确性和可靠性相似.
结论:
- 开发的HPTLC方法是一种简单,准确,敏感和验证的技术,用于同时确定IVA和MET.
- 该方法遵循绿色分析原则,提供一种潜在的更环保的替代方案.
- 这种HPTLC方法适用于常规质量控制含有 ivabradine 和 metoprolol 的制药配方.
相关概念视频
High-Performance Liquid Chromatography: Types of Detectors
614
The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
614
UV–Vis Spectrometers
1.4K
The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
1.4K


