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Type: Artigo de periódico
Title: Effect of Salt Leaching on PCL and PLGA(50/50) Resorbable Scaffolds
Author: Barbanti, SH
Zavaglia, CAC
Duek, EAD
Abstract: The use of porous bioresorbable scaffolds in the field of tissue engineering represents an alternative for the treatment of lesions and losses of biological tissues. This work evaluates the leaching salt effect of two different processes and polymers. Dense and porous scaffolds were prepared with poly(epson-caprolactone) (PCL) and poly(D, L-lactic acid-co-glycolic acid) (50/50) (PLGA50) by casting and melting compression process. Sodium citrate with particles sizes of 180-250 mu m of diameter was used as porogen. The dense and porous samples were immersed in distilled water for 30 hours and evaluated for pH and mass variations, by scanning electronic microscopy (SEM), differential scanning calorimetric (DSC) and thermogravimetric analysis (TGA). The results of the analyses showed that the inclusion of the salt and leaching process did not affect the properties of the scaffold, indicating that the method is useful to make porous scaffolds to be potentially used in tissue engineering.
Subject: bioresorbable polymers
poly(D,L-lactic acid-co-glycolic acid)
leaching salt
Country: Brasil
Editor: Univ Fed Sao Carlos, Dept Engenharia Materials
Citation: Materials Research-ibero-american Journal Of Materials. Univ Fed Sao Carlos, Dept Engenharia Materials, v. 11, n. 1, n. 75, n. 80, 2008.
Rights: aberto
Identifier DOI: 10.1590/S1516-14392008000100014
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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