Modified Gelcasting Process to Prepare Porous Trifasic and Bifasic Hydroxyapatite Scaffolds
نویسندگان
چکیده
منابع مشابه
Preparation of porous hydroxyapatite scaffolds
In this work, the sintering and grain growth of hydroxyapatite green bodies are analyzed in order to identify the optimum heat treatments for the preparation of porous hydroxyapatite scaffolds. Sintering in air at temperatures ranging between 1100 and 1200 °C yields dense materials with narrow grain-size distributions. The scaffolds are formed by the infiltration of polymer foams with hydroxyap...
متن کاملPhysical characterization of hydroxyapatite porous scaffolds for tissue engineering
Article history: The present study refers to Received 29 January 2008 Received in revised form 1 July 2008 Accepted 30 September 2008 Available online xxxx
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In this paper, ultrafine particles of crystalline hydroxyapatite were synthesized by hydrothermal treatment at 180C, and the surface of hydroxyapatite particles was modified by hexametaphosphate for the excellent dispersion properties of HA in the scaffolds. The phase separation was used to fabricate the scaffolds of polycaprolacton/chitosan and hydroxyapatite/polycaprolacton-chitosan. The effe...
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Background: engineering new bone tissue with cells and a synthetic extracellular matrix represents a new approach for the regeneration of mineralized tissues compared with the transplantation of bone (autografts or allografts). Methods: in this study, to mimic the mineral and organic component of natural bone, hydroxapatite (HA) and gelatin (GEL) composite scaffolds were prepared. The raw mater...
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In this study, to mimic the mineral and organic components of natural bone, hydroxyapatite[HA] and gelatin[GEL] composite scaffolds were prepared using the solvent-casting method combined with a freeze drying process. Glutaraldehyde[GA] was used as a cross linking agent and sodium bisulfite was used as an excess GA discharger. Using this technique, it is possible to produce scaffolds with mecha...
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ژورنال
عنوان ژورنال: Key Engineering Materials
سال: 2008
ISSN: 1662-9795
DOI: 10.4028/www.scientific.net/kem.396-398.683