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Developing a self-healing supramolecular nucleoside hydrogel

机译:开发自愈超分子核苷水凝胶

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摘要

Low molecular weight gelator hydrogels provide a viable alternative to traditional polymer based drug delivery platforms, owing to their tunable stability and in most cases inherent biocompatibility. Here we report the first self-healing nucleoside hydrogel using N4-octanoyl-2′-deoxycytidine (0.5% w/v) for drug delivery. The hydrogel's cross-linked nanofibrillar structure, was characterised using oscillatory rheology and confirmed using SEM and TEM imaging. The potential of this gel for drug delivery was explored in vitro using fluorescently labelled tracers. Cell viability assays were conducted using pancreatic cell lines which tolerated the gels well; whilst no adverse effects on the viability or proliferation of cells were observed for fibroblast cell lines.
机译:低分子量胶凝剂水凝胶由于其可调节的稳定性以及在大多数情况下固有的生物相容性,因此可替代传统的基于聚合物的药物递送平台。在这里,我们报告使用N4-辛酰基-2'-脱氧胞苷(0.5%w / v)的第一个自我修复的核苷水凝胶,用于药物递送。使用振荡流变学表征水凝胶的交联纳米原纤维结构,并使用SEM和TEM成像进行确认。使用荧光标记的示踪剂在体外探索了这种凝胶用于药物递送的潜力。使用能很好地耐受凝胶的胰腺细胞系进行细胞活力测定。而对于成纤维细胞系,未观察到对细胞活力或增殖的不利影响。

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