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Related Experiment Video

Updated: Jul 7, 2026

Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo
12:19

Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo

Published on: July 1, 2013

Hierarchical porous materials for tissue engineering.

Julian R Jones1, Peter D Lee, Larry L Hench

  • 1Department of Materials, Imperial College London, South Kensington campus, London SW7 2AZ, UK. julian.r.jones@imperial.ac.uk

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|February 15, 2008
PubMed
Summary
This summary is machine-generated.

Hierarchical porous materials, like bioactive glass foam scaffolds, show promise for bone tissue regeneration. These materials mimic natural bone structure, promoting healing and potentially replacing tissue replacement methods.

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Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
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Related Experiment Videos

Last Updated: Jul 7, 2026

Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo
12:19

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Published on: July 1, 2013

A Facile and Eco-friendly Route to Fabricate Poly(Lactic Acid) Scaffolds with Graded Pore Size
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Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
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Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

Published on: October 3, 2014

Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Biological organisms create complex hierarchical 3D structures.
  • Replicating these structures for tissue repair is a major scientific challenge.
  • Current treatments often involve tissue replacement rather than regeneration.

Purpose of the Study:

  • To explore hierarchical porous materials for tissue engineering.
  • To identify ideal criteria for bone tissue engineering scaffolds.
  • To highlight bioactive glass foam scaffolds as a promising material.

Main Methods:

  • Reviewing criteria for ideal bone tissue engineering scaffolds.
  • Evaluating bioactive glass foam scaffolds based on these criteria.
  • Discussing optimization of scaffold structure and properties for cell response.

Main Results:

  • Bioactive glass foam scaffolds possess hierarchical porous structures similar to trabecular bone.
  • These scaffolds exhibit bioactivity, bonding to bone and soft tissues.
  • Dissolution releases silicon and calcium ions, stimulating osteogenic gene expression.

Conclusions:

  • Hierarchical porous materials, particularly bioactive glass foams, offer a pathway to tissue regeneration over replacement.
  • Tailorable scaffold properties enable control over tissue bonding, resorption, and ion delivery.
  • Further optimization of scaffold design and in vitro tissue culture techniques are necessary for successful in vitro bone growth.