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Preparation and properties of novel human-like collagen-silk fibroin scaffold for blood vessel / 生物工程学报
Chinese Journal of Biotechnology ; (12): 1225-1233, 2009.
Article Dans Chinois | WPRIM | ID: wpr-296934
ABSTRACT
In order to improve tensile property of vascular scaffold, we blended silk fibroin with novel human-like collagen with the mass ratio of 91, 73 and 55 (W/W), and then fabricated blood vessel tubular graft by freeze-drying process. We studied microstructure, mechanical properties, elements composites, degradability and biocompatibility of vascular scaffolds. These results showed that tubular scaffold with mass ratio 73 exhibited interconnected porous structure with pore size at (60 +/- 5) microm and porosity of 85%; achieved the desirable mechanical property (strain of 50% +/- 5% and stress of 332 +/- 16 kPa); had relatively slow degradation rate; could enhance cell adhesion and proliferation and had superior biocompatibility.
Sujets)
Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Physiologie / Matériaux biocompatibles / Phénomènes biomécaniques / Vaisseaux sanguins / Test de matériaux / Chimie / Porosité / Collagène / Ingénierie tissulaire / Structures d'échafaudage tissulaires Limites du sujet: Humains langue: Chinois Texte intégral: Chinese Journal of Biotechnology Année: 2009 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Physiologie / Matériaux biocompatibles / Phénomènes biomécaniques / Vaisseaux sanguins / Test de matériaux / Chimie / Porosité / Collagène / Ingénierie tissulaire / Structures d'échafaudage tissulaires Limites du sujet: Humains langue: Chinois Texte intégral: Chinese Journal of Biotechnology Année: 2009 Type: Article