생체유사액 침적에 따른 표면 처리된 titanium plate에 아파타이트 형성
Apatite formation on the surface treated-titanium plate in a simulated body fluid
0
조회
0
다운로드
1
인용
0
참고문헌
키워드
초록
생체모방법을 이용하여 표면 처리된 titanium plates 표면에 아파타이트 형성에 관하여 조사하였다. 표면 처리방법으로는 우선, titanium plate 표면에 titanium oxide층을 형성시키기 위하여 열처리온도를 400oC, 600oC, 그리고 800oC에서 전기로에서 5시간 유지하였으며, 열처리된 titanium plates를 1 M 수산화나트늄 용액에 침전시켜 표면을 화학적으로 처리하였다. 생체모방법으로 titanium plates 표면에 아파타이트를 형성시키기 위하여 표면처리된 titanium plates를 Kokubo's recipe에 의하여 제조된 생체유사액(SBF)에 침적시켰다. SBF 용액에 1주와 3주 기간 동안 침적 시킨 후, 표면처리를 달리한 titanium plates 표면에 형성된 코팅층을 서로 비교 분석하였다.
Abstract
The purpose of this study was to investigate the formation of apatite layer on two different titanium substrate treated with biomimetic method. Titanium plates were heat-treated at different temperatures of 400oC, 600oC, and 800oC for 5 h in air atmosphere. And then, that plates were chemically treated with an alkali solution of 1M sodium hydroxide(NaOH). The pre-treated titanium plates were soaked in the simulated body fluid (SBF) of Kokubo's recipe. After soaking for 7 days and 21 days in SBF, the coated layers formed on the titanium plates were characterized and compared with the morphology and chemical composition. The apatite formation was more activated on the titanium plates chemically treated with NaOH compared with the only heat-treated titanium plates.
참고문헌 (12)
- J.W. Boretos, "Advances in bioceramics", Advan. Ceram. Mater, 2(1), pp.15~ (1987)
- H.G. Willert, "The Significance of Wear and Material Fatigue in Lossening of Hip Protheses", pp.11~30 (1992), Springer-Verlarg
- J.H. Lee, "Apatite formation behavior on bioactive glasses with glass composition and reaction solution", J. Kor. Ceram. Soc., 37(11), pp.1105~ (2000)
- C. Zang, "In vitro stability of plasma-sprayed hydroxyapatite coatings on Ti-6Al-4V implant under cyclic loading", J. Biomed Mater Res., 50, pp.267~ (2000)
- K. de Groot, "Plasma sprayed coatings of hydroxylapatite", J. Biomed. Mater. Res., 21, pp.1375~ (1987)
- CAPT. Klein, "Plasma-sprayed coatings of tetracalciumphosphate, hydroxyl-apatite, and -TCP on titanium alloy: An interface study", J. Biomed. Mater. Res., 25, pp.53~ (1991)
- T. Kokubo, "Solutions able to reproduce in vivo surface- structure changes in bioactive glass-ceramic AW3", J. Biomed. Mater. Res., 24, pp.721~ (1990)
- H. Takatama, "TEM-EDX study of mechanism of bonelike apatite formation on bioactive titanium metal in simulated body fluid", J. Biomed. Mater. Res., 57, pp.441~ (2001)
- M. Uchida, "Apatite-forming ability of sodium-containing titania gels in a simulated body fluid preview", J. Am. Ceram. Soc., 84, pp.2969~ (2001)
- M. Wei, "Apatite-forming ability of CaO-containing titania", Biomaterials, 23, pp.167~ (2002)
- L. Jonasova, "Biomimetic apatite formation on chemically treated titanium", Biomaterial, 25, pp.1187~ (2004)
- J.-H. Shin, "A study on bioactive surface modification of biomedical Ti-based alloys", J. Kor. Inst. Met. & Mater., 39(2), pp.206~ (2001)