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Design and characterization of dexamethasone-loaded poly (glycerol sebacate)-poly caprolactone/gelatin scaffold by coaxial electro spinning for soft tissue engineering
The aim of this research was to fabricate dexamethasone (Dex)-loaded poly (glycerol sebacate) (PGS)-poly (caprolactone) (PCL)/gelatin (Gt) (PGS-PCL/Gt-Dex) fibrous scaffolds in the form of core/shell structure which have potential application in soft tissues. In this regard, after synthesize and characterizations of PGS, PGS-PCL and gelatin fibrous scaffolds were separately developed in order to optimize the electrospinning parameters. In the next step, coaxial electrospun fibrous scaffold of PGS-PCL/Gt fibrous scaffold with PGS-PCL as core and Gt as shell was developed and its mechanical, physical and chemical properties were characterized. Moreover, degradability, hydrophilicity and biocompatibility of PGS-PCL/Gt fibrous scaffold were evaluated. In addition, Dex was encapsulated in PGS-PCL/Gt fibrous scaffold and drug release was assessed for tissue engineering application.