Formation Characterization of Hydroxyapatite on Titanium by Microarc Oxidation and Hydrothermal Treatment(CELL AND TISSUE ENGINEERING, <Special Issue>Advances in Biomedical Science and Engineering)
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概要
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Microarc oxidation (MAO) was performed on titanium in an electrolyte containing calcium glycerphosphate (Ca-GP) and calcium acetate (CA) using a direct current power supply. It was found that the MAO method is suitable forming a ceramic coating containing Ca and P using titanium, and that films display a porous and rough structure on their surface. Samples with a Ca/P ratio of 1.71 were hydrothermally treated in water solution whose pH was adjusted to 7.0-11.0 by adding NaOH at 190℃ for 10h in an autoclave. Hydroxyapatite crystals were precipitated on the film surface after the hydrothermal treatment, and the amount of hydroxyapatite precipitated increased with increasing pH of water solution. The oxide film composition was semiquantitatively analyzed with an electron probe microanalyzer. The microstructures on the sample surfaces were observed by scanning electron microscopy before and after the hydrothermal treatment. The topography of the oxide film was imaged with an atomic force microscope. Its cross section was observed by scanning electron microscopy after being coated with a thin Au film. The surface structures of the films were analyzed by X-ray diffraction.
- 社団法人日本生物工学会の論文
- 2005-07-25
著者
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SHIMIZU Tadao
Department of Surgery, Tokyo Women's Medical University Daini Hospital.
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Liu Fu
Life And Environmental Sci. Fac. Of Engineering Chiba Inst. Of Technol.
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Liu Fu
School of Materials Science and Engineering, Harbin Institute of Technology
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Song Ying
Department of Applied Chemistry, Harbin Institute of Technology
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Wang Fuping
Department of Applied Chemistry, Harbin Institute of Technology
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Igarashi Kaoru
Department of Life and Environmental Science, Chiba Institute of Technology
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Zhao Liancheng
School of Materials Science and Engineering, Harbin Institute of Technology
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Shimizu Tadao
Department Of Physics Science University Of Tokyo
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Song Ying
Department Of Applied Chemistry Harbin Institute Of Technology
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Wang Fuping
School Of Chemical Engineering And Technol. Harbin Inst. Of Technol.
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Zhao Liancheng
School Of Materials Science And Engineering Harbin Institute Of Technology
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Igarashi Kaoru
Department Of Industrial Chemistry Chiba Institute Of Technology
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Igarashi Kaoru
Department Of Life And Environmental Science Chiba Institute Of Technology
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Shimizu Tadao
Department Of Electronics And Computer Science Science University Of Tokyo In Yamaguchi
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