动态的自我组装的半结构形成在一个广泛的度范围在水溶液的propranolol化的度范围
Yixuan Yan1, Yichun Shen1, Najet Mahmoudi2
1School of Health Sciences, Stopford Building, The University of Manchester, Oxford Road, Manchester M13 9PT, UK.
Journal of colloid and interface science
|December 27, 2024
概括
制药聚合物在溶液中形成一个大小的连续,根据度而异. 这一发现表明,当仅基于聚合行为排除潜在的候选药物时,应该谨慎.
科学领域:
- 物理化学 物理化学
- 制药科学 制药科学
- 材料科学是一种材料科学.
背景情况:
- 两性药物可以在水溶液中形成自我关联的物种.
- 了解这些纳米结构对于药物开发,配方,生物可用性和疗效至关重要.
- 描述这些聚合物需要实验和理论方法的结合.
研究的目的:
- 为了研究在水溶液中甲醇化聚合物的中位结构.
- 探索度的影响,盐添加,和对聚合物形成的反聚合物形式.
- 提供对药品自我关联的动态性质的见解.
主要方法:
- 使用了可溶性,表面张力,小角度中子散射 (SANS),核磁共振 (NMR) 和紫外线光谱.
- 使用了分子动力学 (MD) 模拟和量子力学 (QM) 计算.
- 研究的度范围从2.5毫米到200毫米以上,包括NaCl添加和racemate与单个反体的比较.
主要成果:
- 在整个度范围内观察到总体大小的连续性.
- 总体尺寸分布因药物和盐度而异.
- 分子在纳秒时间尺度上动态关联和解离.
结论:
- 甲醇化物存在于水溶液中的聚合物大小的动态分布.
- 在对新药候选物的高通量查中,应谨慎考虑聚合的趋势.
- 这项研究突出了药品复杂的自我组装行为及其对药物设计的影响.
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