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Postproduction Processing of Electrospun Fibres for Tissue Engineering
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Electrospun Fibrous Silica for Bone Tissue Engineering Applications.

Alexandra Elena Stoica Oprea1, Alexandra Cătălina Bîrcă1, Oana Gherasim2

  • 1Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania.

Pharmaceutics
|June 28, 2023
PubMed
Summary

Researchers developed novel silica (SiO2) 3D scaffolds using self-assembly electrospinning for bone tissue engineering. In vivo tests confirmed their potential as bioactive materials, advancing regenerative medicine applications.

Keywords:
electrospinningfibrous silicatissue regeneration

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Nanotechnology

Background:

  • Highly porous, biomimicking 3D scaffolds are crucial for tissue engineering.
  • Silica (SiO2) nanomaterials offer versatile biomedical properties for scaffold development.

Purpose of the Study:

  • To develop and validate novel silica (SiO2)-based 3D scaffolds for bone tissue engineering.
  • To explore the potential of fibrous silica architectures fabricated via self-assembly electrospinning.

Main Methods:

  • Fabrication of fibrous silica architectures using tetraethyl orthosilicate (TEOS) and polyvinyl alcohol (PVA) via self-assembly electrospinning (ES).
  • Characterization of compositional and microstructural properties before and after ES processing (pre-ES aging and post-ES calcination).
  • In vivo evaluation of the developed scaffolds for bone tissue engineering applications.

Main Results:

  • Successful development of the first reported fibrous silica architectures using the self-assembly electrospinning technique.
  • Comprehensive characterization confirmed the material properties of the silica scaffolds.
  • In vivo studies demonstrated the bioactive potential of the SiO2 scaffolds for bone regeneration.

Conclusions:

  • The developed SiO2-based 3D scaffolds show promise for bone tissue engineering.
  • Self-assembly electrospinning is a viable method for creating fibrous silica architectures for TE.
  • Further research can explore these scaffolds for enhanced bone regeneration therapies.