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Electronic Journal of Biotechnology
Universidad Católica de Valparaíso
ISSN: 0717-3458
Vol. 3, No. 2, 2000, pp. 114-119
Bioline Code: ej00011
Full paper language: English
Document type: Review Article
Document available free of charge

Electronic Journal of Biotechnology, Vol. 3, No. 2, 2000, pp. 114-119

 en Formation of highly porous biodegradable scaffolds for tissue engineering
Mikos, Antonios G. & Temenoff, Johnna S.

Abstract

In recent years, lack of donor organs has caused many to consider tissue engineering methods as means to replace diseased or damaged organs. This newly-emerging field uses tissue-specific cells in a three-dimensional organization, provided by a scaffolding material, to return functionality of the organ. For these applications, the choice of scaffolding material is crucial to the success of the technique. In addition to the chemical properties of the material, physical properties such as surface area for cell attachment are essential. Various methods of creating pores in these materials to increase surface area are reviewed here. Scaffolds formed using the different techniques, which include fiber bonding, solvent casting/particulate leaching, gas foaming and phase separation, are compared on the basis of porosity, pore size, and promotion of tissue growth.

Keywords
Bioresorbable materials, Poly(glycolic acid), Poly(lactic acid), Porogen, Porous foams, Tissue regeneration

 
© 2000 by Universidad Católica de Valparaíso -- Chile
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