Fluoridated hydroxyapatite/titanium dioxide nanocomposite coating fabricated by a modified electrochemical deposition

Fluoridated hydroxyapatite/titanium dioxide nanocomposite coating was successfully fabricated by a modified electrochemical deposition technique. F − ions, nanoscaled TiO 2 particles and 6% H 2 O 2 was added into the electrolyte, and ultrasonication was also performed to prepare this nanocomposite c...

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Veröffentlicht in:Journal of materials science. Materials in medicine 2009-05, Vol.20 (5), p.1047-1055
Hauptverfasser: Wang, Jian, Chao, Yonglie, Wan, Qianbing, Yan, Kangping, Meng, Yukun
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container_issue 5
container_start_page 1047
container_title Journal of materials science. Materials in medicine
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creator Wang, Jian
Chao, Yonglie
Wan, Qianbing
Yan, Kangping
Meng, Yukun
description Fluoridated hydroxyapatite/titanium dioxide nanocomposite coating was successfully fabricated by a modified electrochemical deposition technique. F − ions, nanoscaled TiO 2 particles and 6% H 2 O 2 was added into the electrolyte, and ultrasonication was also performed to prepare this nanocomposite coating. The microstructure, phase composition, dissolution rate, bonding strength and in vitro cellular responses of the composite coating were investigated. The results show that the composite coating was uniform and dense owing to the effects of H 2 O 2 and ultrasonication. The thickness of the composite coating was ~5 μm and scanning electron microscopy revealed that nanoscaled TiO 2 particles were imbedded uniformly between FHA crystals. The addition of F − and TiO 2 reduced the crystallite size and increased the crystallinity of HA in FHA/TiO 2 composite coating. In addition, the composite coating shows higher bonding strength and lower dissolution rate than pure HA coating, and the in vitro bioactivity of FHA/TiO 2 composite coating was not affected as compared with pure HA coating.
doi_str_mv 10.1007/s10856-008-3673-1
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Materials in medicine</title><addtitle>J Mater Sci: Mater Med</addtitle><addtitle>J Mater Sci Mater Med</addtitle><description>Fluoridated hydroxyapatite/titanium dioxide nanocomposite coating was successfully fabricated by a modified electrochemical deposition technique. F − ions, nanoscaled TiO 2 particles and 6% H 2 O 2 was added into the electrolyte, and ultrasonication was also performed to prepare this nanocomposite coating. The microstructure, phase composition, dissolution rate, bonding strength and in vitro cellular responses of the composite coating were investigated. The results show that the composite coating was uniform and dense owing to the effects of H 2 O 2 and ultrasonication. The thickness of the composite coating was ~5 μm and scanning electron microscopy revealed that nanoscaled TiO 2 particles were imbedded uniformly between FHA crystals. 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Materials in medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Jian</au><au>Chao, Yonglie</au><au>Wan, Qianbing</au><au>Yan, Kangping</au><au>Meng, Yukun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fluoridated hydroxyapatite/titanium dioxide nanocomposite coating fabricated by a modified electrochemical deposition</atitle><jtitle>Journal of materials science. Materials in medicine</jtitle><stitle>J Mater Sci: Mater Med</stitle><addtitle>J Mater Sci Mater Med</addtitle><date>2009-05-01</date><risdate>2009</risdate><volume>20</volume><issue>5</issue><spage>1047</spage><epage>1055</epage><pages>1047-1055</pages><issn>0957-4530</issn><eissn>1573-4838</eissn><abstract>Fluoridated hydroxyapatite/titanium dioxide nanocomposite coating was successfully fabricated by a modified electrochemical deposition technique. F − ions, nanoscaled TiO 2 particles and 6% H 2 O 2 was added into the electrolyte, and ultrasonication was also performed to prepare this nanocomposite coating. The microstructure, phase composition, dissolution rate, bonding strength and in vitro cellular responses of the composite coating were investigated. The results show that the composite coating was uniform and dense owing to the effects of H 2 O 2 and ultrasonication. The thickness of the composite coating was ~5 μm and scanning electron microscopy revealed that nanoscaled TiO 2 particles were imbedded uniformly between FHA crystals. The addition of F − and TiO 2 reduced the crystallite size and increased the crystallinity of HA in FHA/TiO 2 composite coating. In addition, the composite coating shows higher bonding strength and lower dissolution rate than pure HA coating, and the in vitro bioactivity of FHA/TiO 2 composite coating was not affected as compared with pure HA coating.</abstract><cop>Boston</cop><pub>Springer US</pub><pmid>19115090</pmid><doi>10.1007/s10856-008-3673-1</doi><tpages>9</tpages></addata></record>
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subjects 3T3 Cells
Alkaline Phosphatase - metabolism
Animals
Biomaterials
Biomedical engineering
Biomedical Engineering and Bioengineering
Biomedical materials
Cell Proliferation
Ceramics
Chemistry and Materials Science
Coated Materials, Biocompatible - chemistry
Composite materials
Composites
Electrochemical Techniques
Fluoridation
Glass
Hydroxyapatites - isolation & purification
Materials Science
Materials Testing
Mice
Microscopy, Electron, Scanning
Nanocomposites - chemistry
Nanocomposites - ultrastructure
Natural Materials
Particle Size
Polymer Sciences
Regenerative Medicine/Tissue Engineering
Spectroscopy, Fourier Transform Infrared
Stress, Mechanical
Surfaces and Interfaces
Thin film coatings
Thin Films
Titanium - isolation & purification
title Fluoridated hydroxyapatite/titanium dioxide nanocomposite coating fabricated by a modified electrochemical deposition
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