Lookup NU author(s): Dr Ana Ferreira-Duarte
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In this study, gelatin was blended to proprietary noncytotoxic polyurethanes (PU) derived from vegetable oils with different weight ratios, as material for the preparation of novel biomedical products. The PU/gelatin blends were characterized for their morphology through scanning electron microscopy. Mechanical and thermal properties, chemical interactions between components, degradation behavior, surface properties, cell adhesion, and bioactivity were investigated as a function of the protein content. Higher blend miscibility was observed for the amorphous PUs, derived from oleic acid. Properties of PU/gelatin films were strongly influenced by the concentration of gelatin in the films. Gelatin enhanced the hydrophilicity, bioactivity, and cell adhesion of PUs
Author(s): González-Paz RJ, Lligadas G, Ronda JC, Galià M, Ferreira AM, Boccafoschi F, Ciardelli C, Cádiz V
Publication type: Article
Journal: Journal of Biomedical Materials Research - Part A
Online publication date: 11/09/2012
Acceptance date: 02/08/2012
Print publication date: 01/04/2013
ISSN (print): 1549-3296
ISSN (electronic): 1552-4965
Publisher: John Wiley & Sons, Inc.
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