title: Formation of nano-phase hydroxyapatite film on TiO2 nano-network.
abstract: Nano- and micro-phase HA film formed on TiO2 nano-network surface by simple electrochemical treatment. The range of lateral pore size of the network specimen was about 10-120 nm on Ti surface by anodized in 5 M NaOH solution at 0.3 A for 10 min. Nano-network TiO2 surface were formed by this anodization step which acted as templates and anchorage for growth of the HA during subsequent pulsed electrochemical deposition process at 85 degrees C. The phase and morphologies of deposits HA were influenced by the electrolyte concentration. The nano needle-like precipitates formed under low SBF concentration were identified to be HA crystals orientated parallel to the c-axis direction. Increasing electrolyte concentration, needle-like deposits transferred to the plate-like and micro plate like precipitates in the case of high SBF concentration.
authors.affiliation: Department of Dental Materials, School of Dentistry, MRC Center, Chosun University, Gwangju 501-759, South Korea.
authors.forename: Kang
authors.initials: K
authors.lastname: Lee
authors.forename: Yeong-Mu
authors.initials: YM
authors.lastname: Ko
authors.forename: Han-Cheol
authors.initials: HC
authors.lastname: Choe
authors.forename: Byung-Hoon
authors.initials: BH
authors.lastname: Kim
mesh_terms: D001826:Body Fluids / Q000737:chemistry*; D017886:Durapatite / Q000138:chemical synthesis*; D046911:Macromolecular Substances / Q000737:chemistry; D008422:Materials Testing; D008567:Membranes, Artificial; D008968:Molecular Conformation; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D010316:Particle Size; D013499:Surface Properties; D014025:Titanium / Q000737:chemistry*
chemical_list: D046911:Macromolecular Substances; D008567:Membranes, Artificial; C009495:titanium dioxide; D017886:Durapatite; D014025:Titanium