在人造胃肠道介质中,对裸体和氨酸载荷的非离子体块共聚物菌体进行比较分析
Sagar V Bhandarkar1, Shivanshu Agrawal1, Rohit B Salunkhe1
1Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow 226002, India.
Langmuir : the ACS journal of surfaces and colloids
|November 20, 2024
概括
养状态肠液 (FeSSIF) 影响多元123 (P123) 菌株的特征. 在FeSSIF中,昆素 (QCT) 装载的小粒细胞形成较小的混合组合,增强药物传递潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 生物制药生物制药公司
- 药物运输 药物运输 药物运输
背景情况:
- 块共聚合物微粒对于溶解疏水药物至关重要.
- 胃肠道液体可以破坏菌根结构的稳定,影响药物输送.
- 了解食状态肠液 (FeSSIF) 中的小胞行为对于配方疗效至关重要.
研究的目的:
- 为了研究FeSSIF对裸体和素 (QCT) 装载的多元性123 (P123) 微粒的影响.
- 用先进的分析技术来描述结构变化和聚合行为.
- 阐明FeSSIF组件在菌根稳定性和药物溶解中的作用.
主要方法:
- 动态光散射 (DLS) 用于尺寸分析.
- 核磁共振 (NMR) 光谱 (1H,HSQC,2D-NOESY) 用于结构阐明.
- 扩散顺序光谱法 (DOSY) 用于评估聚合和扩散.
主要成果:
- 裸体P123小粒在FeSSIF中与胆盐形成混合聚合物,保持大小.
- 莱西丁在FeSSIF中形成了单独的聚合物;QCT被完全溶解.
- 用QCT加载的小粒体在FeSSIF (较小的混合组件) 中显示扩散的增加,但在没有FeSSIF (更重的小粒体) 中扩散的减少.
结论:
- 由于胆汁盐和莱西丁,FeSSIF促进了较小的混合组件的形成,其中含有QCT载荷的P123小粒.
- FeSSIF组件的存在对于形成有益的混合组件至关重要,影响菌扩散和药物输送.
- 这些发现为优化自组装药物递送系统提供了宝贵的见解,以提高生物性能.
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