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Electrospinning Fibrous Polymer Scaffolds for Tissue Engineering and Cell Culture
Published on: October 21, 2009
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Hybrid Polyester-Hydrogel Electrospun Scaffolds for Tissue Engineering Applications
Ana Rita Gonçalves de Pinho1, Ines Odila1, Anne Leferink1
1Tissue Regeneration Department, Institute for BioMedical Technology and Technical Medicine, University of Twente, Enschede, Netherlands.
Frontiers in Bioengineering and Biotechnology
|November 5, 2019
Summary
Electrospun scaffolds blending synthetic and natural polymers mimic the extracellular matrix for tissue repair. This study optimized scaffold properties by adjusting electrospinning parameters, showing potential for dermal tissue regeneration.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Polymer Chemistry
Background:
- Electrospinning fabricates cost-effective, extracellular matrix (ECM)-mimicking scaffolds for tissue repair.
- Synthetic polymers (PCL, PEOT/PBT) offer good processability and mechanical properties.
- Natural polymers like alginate enhance ECM mimicry through hydration and cell-recognition sites.
Purpose of the Study:
- To create electrospun scaffolds from blended synthetic and natural polymers for tissue engineering.
- To investigate the influence of electrospinning parameters on scaffold morphology.
- To evaluate the potential of these scaffolds for dermal tissue regeneration.
Main Methods:
- Electrospinning of blended polymer solutions (PEO, PCL, PEOT/PBT with Alginate).
- Systematic variation of electrospinning parameters: flow rate and air gap.
- Characterization of scaffold fiber morphology, diameter, and inter-fiber pore size.
- Assessment of cross-linking and washing effects on alginate scaffolds.
- In vitro culture of Human Dermal Fibroblasts on PCL and PCL/Alginate scaffolds.
Main Results:
- Fiber diameter increased with higher flow rates; air gap had minimal effect.
- Mesh pore size increased with larger air gaps; flow rate had no significant effect.
- Cross-linking and washing reduced alginate scaffold fiber diameter.
- PCL/Alginate scaffolds supported Human Dermal Fibroblast culture for dermal substitute development.
Conclusions:
- Electrospun blended polymer scaffolds effectively mimic ECM properties.
- Electrospinning parameters can be tuned to control scaffold morphology for specific tissue engineering applications.
- Developed scaffolds show promise for creating dermal substitutes and other tissue repair strategies.
