Journal of Biomechanical Science and Engineering
Online ISSN : 1880-9863
ISSN-L : 1880-9863
Papers(Special Issue)
Achitecture of Porous Hydroxyapatite Scaffolds Using Polymer Foam Process
Zin-Kook KIMJeong-Jung OAKHisamichi KIMURATakashi GOTOAkihisa INOUESeog-Young YOON
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2009 Volume 4 Issue 3 Pages 377-383

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Abstract
Newly approach using the formation process of polymer foam is introduced in this study to prepare porous hydroxyapatite (HAp) scaffolds for bone tissue engineering applications, which could provide a better control over the microstructures of scaffolds and enhance their mechanical properties. The scaffolds prepared have an open, relatively uniform and interconnected porous structure with a pore size ranging 50 to 300 µm. A compressive strength of 5 MPa for the scaffolds with HAp content 80 wt% and higher porosity of 77% was achieved. The pore morphology and size of the scaffolds were characterized using a scanning electron microscopy. X-ray diifraction was used to determine the crystal structure. Scaffolds with desired porosity, pore size, and geometry could be prepared by using the formation process of polymer foam with controlling process parameters.
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© 2009 by The Japan Society of Mechanical Engineers
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