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Synthesis and bioactivity evaluation of metal ion-substitution biphasic calcium phosphate for bone defect reconstruction

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2012, 22(6), pp.279~285
  • DOI : 10.6111/JKCGCT.2012.22.6.279
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

Taewan Kim 1,  Kim Donghyun 1,  진형호 1,  LEE SEUNG HO 2,  PARK,HONG-CHAE 1,  Seog-Young Yoon 1

1부산대학교
2한국세라믹기술원

Accredited

ABSTRACT

The co-precipitation technique has been applied to synthesize Biphasic Calcium Phosphate (BCP), Mg-BCP and Si-BCP. X-ray diffraction (XRD) and Fourier transformed infrared (FTIR) spectroscopy were used to characterize the structure of synthesized BCP, Mg-BCP and Si-BCP powders. The results have shown that BCP and substitution of magnesium and silicon in the calcium deficient apatites revealed the formation of biphasic mixtures of Hydroxyapatite (HAp)/β-Tricalcium phosphate (β-TCP) ratios after heating at 1000oC. Ionic substituted BCP is able to develop a new apatite phase on the surface in contact with physiological fluids faster than BCP does. An MTT assay indicated that BCP,Mg-BCP, and Si-BCP powders had no cytotoxic effects on MG-63 cells, and that they have good biocompatibility.

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