Team:METU-Gene/Collagen Sponge

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== The release rate of bioactive recombinant human epidermal growth factor from crosslinking collagen sponges ==


The purpose of this study was to prepare recombinant human epidermal growth factor (rhEGF) collagen sponges for topical applications and investigate the effects of different types of crosslinked collagen sponges as platforms for the controlled release of rhEGF.
The microstructure and the drug release rates of collagen sponges were modified through treatment with different types (glutaraldehyde (GTA), genipin and 1-ethyl-3- (3-dimethylaminopropyl)carbodiimide (EDC)), different concentrations of crosslinking agents and various preparation conditions.
a good correlation was obtained for in vitro release rates of rhEGF using the power model. The crosslinked rhEGF collagen sponges showed a successful delivery of rhEGF in bioactive form to stimulate cell proliferation.