Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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HRTEM Analysis of Apatite Formed on Bioactive Titanium in Modified-SBF

수정된 유사체액 내에서 티타늄에 생성된 아파타이트의 고분해능 전자현미경에 의한 분석

  • Kim, Hyun-Ook (Division of Nano Technology, Chungnam National University) ;
  • Kim, Woo-Jeong (Division of Nano Technology, Chungnam National University) ;
  • Lee, Kap-Ho (Division of Nano Technology, Chungnam National University) ;
  • Hon, Sun-Ig (Division of Nano Technology, Chungnam National University)
  • 김현욱 (충남대학교 공과대학 나노공학부) ;
  • 김우정 (충남대학교 공과대학 나노공학부) ;
  • 이갑호 (충남대학교 공과대학 나노공학부) ;
  • 홍순익 (충남대학교 공과대학 나노공학부)
  • Published : 2007.08.27
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Abstract

Process of the hydroxyapapite(HA) precipitation on bioactive titanium metal prepared by NaOH in a modified-simulated body fluid(mSBF) was investigated by high resolution transmission electron microscope (HRTEM) attached with energy dispersive X-ray spectrometer(EDX). The amorphous titanate phase on titanium surface is form by NaOH treatment and an amorphous titanate incorporated calcium and phosphate ions in the liquid to form an amorphous calcium phosphate. With increasing of soaking time in the liquid, the HA particles are observed in amorphous calcium phosphate phase with a Ca/P atomic ratio of I.30. The octacalcium phosphate (OCP) structure is not detected in HRTEM image and electron diffraction pattern. After a long soaking time, the HA particles grow as needle-like shape on titanium surface and a large particle-like aggregates of needle-like substance were observed to form on titanium surface within needle-like shape. A long axis of needle parallels to c-direction of the hexagonal HA structure.

Keywords

References

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