一个结合实验和建模的工作流程,通过共结晶调整有机材料的表面特性
Emmanuele Parisi1, Giulia Del Duca1, Emilia Prandini1
1Department of Applied Science and Technology (DISAT), Politecnico di Torino, Corso Duca Degli Abruzzi 24, Torino I-10129, Italy.
概括
同结晶改变了奎尔素颗粒表面的特性,增强了疏水性. 这种晶体工程策略调整了表面化学,极性和可湿性,以提高药品成分的可制造性和稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 制药科学 制药科学
- 晶体工程公司 晶体工程公司
背景情况:
- 同结晶是增强活性药物成分 (API) 特性,如溶解和生物可用性的关键策略.
- 晶体颗粒的表面特性,包括化学,极性和可湿性,显著影响制造性和稳定性.
- 奎尔 (Que) 是一种具有已知的治疗潜力的天然化合物,但其表面特性可能会影响其实际应用.
研究的目的:
- 展示共结晶化作为调整晶体颗粒表面特性的一种方法.
- 通过共同晶体形成来研究奎尔丁表面特征的改变.
- 为了提高奎尔塞丁颗粒的可制造性和存储稳定性.
主要方法:
- 用分子互补性和键倾向性得分对辅形体进行in silico选.
- 通过使用PXRD,DSC,TGA,Raman和SSNMR进行泥和表征的实验性共晶形成.
- 单晶X射线衍射 (SXRD) 用于结构分析和接触角度测量,用于实验性湿度评估.
主要成果:
- 一个配合奎尔丁与伊米达 (Que-Im) 的共晶成功被分离和表征.
- 结构分析显示,与纯 Quercetin 多态相比,Que-Im 的分子间相互作用发生了变化.
- 与QDH (48.0 ± 3.2°) 和QDMSO (38.8 ± 1.0°) 相比,Que-Im表现出显著增加的疏水性,接触角度为78.5 ± 3.9°.
结论:
- 同结晶能有效调整奎尔素颗粒的表面特性,特别是疏水性.
- 伊姆共晶体显示了表面化学和极性变化,导致水友性降低.
- 这种晶体工程方法提供了一种可行的策略,以提高奎尔素和潜在的其他API的可制造性和稳定性.
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