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To reproduce blood vessel, we proposed new process for fabricating biodegradable scaffold by powder sintering process. In this process, model for molding scaffold was materialized by rapid prototyping. Biodegradable polymer powder and porogen were dusted to model and heated. So, arbitrary shape scaffold would be fabricated. Also, porosity that influences compliance of blood vessel scaffold would be...
Technologies to develop scaffolds with controlled diameter and high porosity have great significance in tissue engineering. We have fabricated biodegradable 2D and 3D scaffolds with ordered array of pores by casting polymer on self-assembled d-fructose (sugar) microspheres. First, ferrite microparticles were encapsulated in sugar spheres to make them become magnetized. After sieving magnetic sugar...
In this study, we succeeded in fine construction of the PLCL (poly-L-lactide-cocaprolactone) scaffold with micrometer range resolution using photolithography. PLCL is a biodegradable polymer which is used as a material of the scaffold to reproduce the blood vessel. Photolithography known as a technique of microfabrication was used for the processing of PLCL. By this technique, we fabricated a sheet-like...
Technologies to develop scaffolds with controlled pore layout and porosity have great significance in tissue engineering. As one method of scaffold fabrication, porogen leaching has been commonly used to control pore size, pore structure and porosity in the scaffold. In this paper, we describe a novel approach to fabricate 2D and 3D porous biodegradable scaffolds made of poly(L-lactide-co-epsiv-caprolactone)...
In this work, we propose a multi-layered scaffold made of elastic biodegradable polymer PLCL [1] by salt leaching method [2], which has high porosity at inner layer and high stiffness in outer layer. Before implanting to a damaged position of a patient, scaffolds should be coated with human umbilical vein endothelial cells (HUVECs). (Porous structure is also served as a pathway of sufficient nutrients...
Technologies to develop scaffolds with controlled diameter and high porosity have great significance in tissue engineering. We have fabricated biodegradable 2D and 3D scaffolds with ordered array of pores by casting polymer on self-assembled d-fructose (sugar) microspheres. First, ferrite microparticles were encapsulated in sugar spheres to make them become magnetized. After sieving magnetic sugar...
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