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Annals of Biomedical Engineering

, Volume 38, Issue 6, pp 2121–2141 | Cite as

Emerging Techniques in Stratified Designs and Continuous Gradients for Tissue Engineering of Interfaces

  • Nathan H. Dormer
  • Cory J. Berkland
  • Michael S. DetamoreEmail author
Article

Abstract

Interfacial tissue engineering is an emerging branch of regenerative medicine, where engineers are faced with developing methods for the repair of one or many functional tissue systems simultaneously. Early and recent solutions for complex tissue formation have utilized stratified designs, where scaffold formulations are segregated into two or more layers, with discrete changes in physical or chemical properties, mimicking a corresponding number of interfacing tissue types. This method has brought forth promising results, along with a myriad of regenerative techniques. The latest designs, however, are employing “continuous gradients” in properties, where there is no discrete segregation between scaffold layers. This review compares the methods and applications of recent stratified approaches to emerging continuously graded methods.

Keywords

Gradient Stratified Interface Tissue engineering Osteochondral 

Notes

Acknowledgments

The authors would like to acknowledge funding from the Arthritis Foundation, the National Institutes of Health (NIH/NIDCR 1 R21 DE017673-01), and the Oral and Maxillofacial Surgery Foundation. The authors would also like to acknowledge the NIGMS/NIH Pharmaceutical Aspects of Biotechnology Training Grant (T32-GM008359) for supporting N. H. Dormer.

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Copyright information

© Biomedical Engineering Society 2010

Authors and Affiliations

  • Nathan H. Dormer
    • 1
  • Cory J. Berkland
    • 2
    • 3
  • Michael S. Detamore
    • 2
    Email author
  1. 1.Bioengineering ProgramUniversity of KansasLawrenceUSA
  2. 2.Department of Chemical and Petroleum EngineeringUniversity of KansasLawrenceUSA
  3. 3.Pharmaceutical ChemistryUniversity of KansasLawrenceUSA

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