Developing a self-healing supramolecular nucleoside hydrogel
Skilling, Kathryn J. and Kellam, Barrie and Ashford, M. and Bradshaw, Tracey D. and Marlow, Maria (2016) Developing a self-healing supramolecular nucleoside hydrogel. Soft Matter . ISSN 1744-6848
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.
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