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Related Experiment Video

Updated: Sep 21, 2025

Postproduction Processing of Electrospun Fibres for Tissue Engineering
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Cross-Linking Agents for Electrospinning-Based Bone Tissue Engineering.

Dong-Jin Lim1

  • 1Department of Otolaryngology Head & Neck Surgery, University of Alabama at Birmingham, Birmingham, AL 35294-0012, USA.

International Journal of Molecular Sciences
|May 28, 2022
PubMed
Summary
This summary is machine-generated.

Cross-linking agents enhance electrospun nanofibers for bone tissue engineering. Natural agents like genipin offer superior biocompatibility, improving scaffold mechanical properties and bone healing potential.

Keywords:
1-ethyl-3-(3-dimethylaminopropyl)-carbodiimidebone tissue engineeringcitric acidcross-linking agentselectrospinninggenipinglutaraldehyde

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Nanotechnology

Background:

  • Electrospun nanofibers mimic the extracellular matrix (ECM), showing promise for bone tissue scaffolds.
  • Insufficient mechanical properties of native nanofibers limit their application in bone regeneration.
  • Chemical cross-linking is a key strategy to enhance nanofiber scaffold properties.

Purpose of the Study:

  • To review cross-linking agents for improving electrospun nanofiber bone scaffolds.
  • To summarize recent advancements in cross-linking strategies for bone tissue engineering.
  • To explore the potential of cross-linking for electrospinning-based bone regeneration.

Main Methods:

  • Review of synthetic cross-linking agents, focusing on glutaraldehyde (GTA).
  • Review of natural cross-linking agents, including genipin (GP) and citric acid (CA).
  • Analysis of cross-linking effects on mechanical, biological, and degradation properties of nanofibers.

Main Results:

  • Cross-linking significantly improves the mechanical characteristics of electrospun nanofibers.
  • Natural cross-linking agents, particularly genipin, exhibit superior biocompatibility compared to synthetic agents.
  • Citric acid is also highlighted as a promising natural cross-linking agent.

Conclusions:

  • Cross-linking is an effective method to enhance electrospun nanofibers for bone tissue engineering.
  • Natural cross-linking agents offer advantages in biocompatibility and safety.
  • Further research into cross-linking strategies can expand the use of electrospun scaffolds in bone regeneration.