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Cotton pulp for bone tissue engineering.

Sandhya Singh1, Dharm Dutt1, Narayan Chand Mishra2

  • 1Department of Paper Technology, Indian Institute of Technology Roorkee, Roorkee, India.

Journal of Biomaterials Science. Polymer Edition
|July 11, 2020
PubMed
Summary
This summary is machine-generated.

This study explores cotton cellulose scaffolds for bone tissue engineering. Modified with citric acid and gelatin, these biocompatible scaffolds show promise for bone regeneration applications.

Keywords:
Surgical cottoncellulose microfibrilscitric acidgelatintissue engineering

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Polymer Science

Background:

  • Cellulose is abundant, eco-friendly, and biocompatible, making it ideal for medical applications.
  • Cotton cellulose, in particular, is FDA-approved, lignin-free, and non-cytotoxic, yet underutilized for scaffold fabrication.
  • Bone tissue engineering requires scaffolds with specific mechanical, physicochemical, and biological properties.

Purpose of the Study:

  • To fabricate and characterize scaffolds from cotton microfibers for bone tissue engineering.
  • To enhance the properties of cotton cellulose scaffolds through crosslinking with citric acid and modification with gelatin.
  • To evaluate the biocompatibility and potential of these modified scaffolds for bone regeneration.

Main Methods:

  • Scaffold fabrication using cotton microfibers.
  • Crosslinking with citric acid and modification with gelatin.
  • Characterization using FTIR, XRD, FESEM, porosity, swelling, and MTT assays.

Main Results:

  • FTIR and XRD confirmed successful integration and crystalline structure of cellulose, citric acid, and gelatin.
  • Scaffolds exhibited hydrophilic and porous characteristics with an interconnected network, confirmed by FESEM.
  • MTT assay demonstrated the non-toxicity of the scaffolds to MG 63 cells, indicating good biocompatibility.

Conclusions:

  • Cotton cellulose microfibers, crosslinked with citric acid and coated with gelatin, form a promising, non-toxic scaffold for bone tissue engineering.
  • The developed scaffold possesses suitable properties for supporting bone regeneration.
  • Further research is warranted to explore its full potential in bone defect repair.