Fabrication of three-dimensional collagen scaffold using an inverse mould-leaching process

Bioprocess Biosyst Eng. 2011 Sep;34(7):903-11. doi: 10.1007/s00449-011-0541-z. Epub 2011 Apr 7.

Abstract

Natural biopolymers, such as collagen or chitosan, are considered ideal for biomedical scaffolds. However, low processability of the materials has hindered the fabrication of designed pore structures controlled by various solid freeform-fabrication methods. A new technique to fabricate a biomedical three-dimensional collagen scaffold, supplemented with a sacrificial poly(ethylene oxide) mould is proposed. The fabricated collagen scaffold shows a highly porous surface and a three-dimensional structure with high porosity as well as mechanically stable structure. To show its feasibility for biomedical applications, fibroblasts/keratinocytes were co-cultured on the scaffold, and the cell proliferation and cell migration of the scaffold was more favorable than that obtained with a spongy-type collagen scaffold.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Biocompatible Materials / chemistry
  • Cell Proliferation
  • Cells, Cultured
  • Coculture Techniques / methods
  • Collagen / chemistry*
  • Collagen / ultrastructure
  • Feasibility Studies
  • Fibroblasts / metabolism*
  • Humans
  • Keratinocytes / metabolism*
  • Materials Testing
  • Polyethylene Glycols / chemistry*
  • Porosity
  • Regeneration
  • Skin
  • Surface Properties
  • Tissue Engineering / methods
  • Tissue Scaffolds / chemistry*

Substances

  • Biocompatible Materials
  • Polyethylene Glycols
  • Collagen