Apatite Formation on Porous HA/TCP in Animals’ Serums In Vitro

Chun Lin Deng; Ying Jun Wang; Yao Wu; Xin Long Wang; Xiao Feng Chen; Hua De Zheng; Ji Yong Chen; Xing Dong Zhang

doi:10.4028/www.scientific.net/KEM.330-332.955

Paper Titles

Investigation on the Biomimetic Scaffold for Bone Tissue Engineering Based on Bioglass-Collagen-Hyaluronic Acid-Phosphatidylserine
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Biomimetic Bone Graft with Higher Bioactivity
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Study on Hydroxylapatite Fibroin Porous Composite
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Osteoconductivity of Porous Titanium Having Young’s Modulus Similar to Bone and Surface Modification by OCP
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Apatite Formation on Porous HA/TCP in Animals’ Serums In Vitro
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The New Art of Bone Graft Substitute Design
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Comparison among Four Kinds of Bone Tissue Engineering Scaffold
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Novel Micro-CT Based 3-Dimentional Structural Analyses of Porous Biomaterials
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Study on Tissue Engineering Scaffolds of Silk Fibroin-Chitosan/ Nano-Hydroxyapatite Composite
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Apatite Formation on Porous HA/TCP in Animals’ Serums In Vitro

Abstract:

Porous HA/TCP bioceramics were immersed in pure dog serum to observe apatite formation. Deposited crystals were examined using SEM. Results showed that beamed sheet-like crystals formed on the surface of ceramics granules, and after postponement immersion time, crystals extended and became bigger. EDS and IR results suggested formed crystals were defect-calcium type carbonated hydroxyapatite. HRTEM photograph suggested formation process of new-formed crystals from non-crystal to crystal in serum. Directional organisms acted maybe as a template in process of crystals formation, so new crystals developed along certain direction.