期刊
CERAMICS INTERNATIONAL
卷 37, 期 7, 页码 2591-2596出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2011.04.023
关键词
Suspensions; Porosity; Mechanical properties; Apatite; Biomedical applications
资金
- Korea government (MEST) [2010-0016336]
This paper proposes a novel, simple way to improve the compressive strength of reticulated porous hydroxyapatite (HA) ceramics using carbon-coated polymeric sponges with elongated pores as a novel template. This template allowed samples to have two interconnected pore networks with a preferential orientation, in which an addition pore network was newly formed by removing the carbon-coated polymeric struts, while preserving the pre-existing pore network. The compressive strength of the sample was as high as 2.9 +/- 0.3 MPa with a porosity of 76% when tested parallel to the direction of pore elongation. In addition, the in vitro cell test using a pre-osteoblast cell line revealed the samples to have good biocompatibility. (C) 2011 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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