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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.117  No.1364 (April) (2009)  >  pp.521-524

Journal of the Ceramic Society of Japan
<<Previous article Vol.117  No.1364 (April) (2009)   pp.521 - 524 Next article>>

Preparation and characterization of periodic porous frame of hydroxyapatite

Liyun ZHOU1), Deping WANG1), Wenhai HUANG1), Aihua YAO1), Masanobu KAMITAKAHARA2) and Koji IOKU2)
1) The Institute of Bioengineering and Information Technology Materials, School of Material Science and Engineering, Tongji University
2) Graduate School of Environmental Studies, Tohoku University


  Three-dimensional, periodic macroporous frame of hydroxyapatite(HA) has been fabricated via a template-assisted colloidal processing technique. In the present method, colloidal template was firstly prepared with SiO2 spheres by gravitational sedimentation, which was then infiltrated with HA precursor prepared by sol-gel process. The resulting HA therefore replicated the three-dimensionally ordered macroporous structure of SiO2 template. After removal of the template by immersing in NaOH solution, the periodic macroporous frame made from HA was obtained. The arrangement of the pore structure was hexagonal close-packed and pores were connected with each other. The resulting highly ordered macroporous frame of HA could have potential applications in bio-medical field.


Keyword:
Periodic macroporous materials, Colloidal template, Hydroxyapatite, Monodisperse SiO2 spheres

Received: December 08, 2008
Accepted: February 19, 2009 , Published online: April 01, 2009
Copyright (c) 2009 The Ceramic Society of Japan

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