Abstract
An appropriate wound dressing is necessary to enhance the recovery of wounds and the restoration of tissue after the skin gets injured. In this study, a hollow porous microfiber (HPMF) scaffold composed of a combination of polylactic acid (PLA)/polybutylene adipate/butylene terephthalate (PBAT)/polyvinyl alcohol (PVA) was developed using coaxial electrospinning for wound healing. The porous structure of PLA/PBAT HPMFs was formed by dissolving PVA in water. The results showed that when maintaining a PLA: PBAT weight ratio of 7:3, high-quality porous PLA/PBAT composites were achieved, leading to a 36.25% increase in toughness and a 4.9% increase in biodegradability compared to pure PLA. Furthermore, in vivo wound healing assays suggest that composites successfully loaded can effectively promote wound healing on the 13th day. Therefore, this work underscores the significant potential of PLA/PBAT HPMF dressing for wound repair.
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