Characterization and cytotoxicity evaluation of biocompatible amino acid esters used to convert salicylic acid into ionic liquids
作者:Rahman Md. Moshikur、Md. Raihan Chowdhury、Rie Wakabayashi、Yoshiro Tahara、Muhammad Moniruzzaman、Masahiro Goto
DOI:10.1016/j.ijpharm.2018.05.021
日期:2018.7
However, toxicological issue of API‐ILs is the main challenge for their application in drug delivery. To address this issue, 11 amino acid esters (AAEs) were synthesized and investigated as biocompatible counter cations for the poorly water‐soluble drug salicylic acid (Sal) to form Sal‐ILs. The AAEs were characterized using 1H and 13C NMR, FTIR, elemental, and thermogravimetric analyses. The cytotoxicities
图形化的抽象图。没有可用的字幕。&NA; 活性药物成分(API)转化为离子液体(ILs)后,其技术实用性将大大提高。与固体或结晶药物相比,API‐IL具有更好的溶解性,热稳定性和局部给药功效。但是,API-ILs的毒理学问题是其在药物输送中的主要挑战。为了解决这个问题,合成了11种氨基酸酯(AAE)并作为水溶性低的药物水杨酸(Sal)形成Sal-IL的生物相容性抗衡阳离子进行了研究。使用1 H和13 C NMR,FTIR,元素分析和热重分析对AAE进行表征。使用哺乳动物细胞系(L929和HeLa)研究了AAE阳离子,Sal-ILs和游离Sal的细胞毒性。随着阳离子侧基中包含长烷基链,硫和芳香环,AAE阳离子的毒性大大提高。选择丙氨酸,天冬氨酸和脯氨酸乙酯作为低细胞毒性AAE。与Sal结合到阳离子中的AAE相比,Sal‐ILs的细胞毒性急剧增加,与游离Sal相当。有趣的是,Sal-IL的水混