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<p>Elasticity of biodegradable fibrous scaffolds is one of essential requirements for soft tissue regeneration, and sufficient compliance of small-diameter vascular grafts is necessary. In this work, electrospun fibrous membranes with high resilience are prepared through blend electrospinning of poly(<i>ε</i>-caprolactone) (PCL)/methacrylated poly(glycerol sebacate) (PGS) and <i>in situ</i> photo-crosslinking with poly(ethylene glycol) diacrylate. The obtained PCL/PGS electrospun membranes have minor hemolysis, low platelet adherence, and favorable cytocompatibility. In the wet state, the PCL/PGS electrospun membranes in 5/5 or 4/6 mass ratio exhibit lowered modulus and reversible deformation with improved compliance in comparison with PCL, which can be comparable to the human saphenous vein. This study provides a feasible way to prepare electrospun fibrous scaffolds with high elasticity, that can be suitable for applications in vascular regeneration and relative soft tissue repair.</p>

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Formation of Electrospun Membranes with High Resilience by In situ Crosslinking

  • 期刊论文

  • 发表日期：

    2025年3月22日

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  • Qing Wang,
  • Liang Yuan,
  • Kongying Zhu,
  • LiXia Ren,
  • Xiaoyan Yuan

摘要

Elasticity of biodegradable fibrous scaffolds is one of essential requirements for soft tissue regeneration, and sufficient compliance of small-diameter vascular grafts is necessary. In this work, electrospun fibrous membranes with high resilience are prepared through blend electrospinning of poly(ε-caprolactone) (PCL)/methacrylated poly(glycerol sebacate) (PGS) and in situ photo-crosslinking with poly(ethylene glycol) diacrylate. The obtained PCL/PGS electrospun membranes have minor hemolysis, low platelet adherence, and favorable cytocompatibility. In the wet state, the PCL/PGS electrospun membranes in 5/5 or 4/6 mass ratio exhibit lowered modulus and reversible deformation with improved compliance in comparison with PCL, which can be comparable to the human saphenous vein. This study provides a feasible way to prepare electrospun fibrous scaffolds with high elasticity, that can be suitable for applications in vascular regeneration and relative soft tissue repair.