Research field (4):
Thin-film surfaces and interfaces
, Analytical chemistry
, Biomaterials
, Biomedical engineering
Research keywords (4):
表面分析
, 表面処理
, チタン合金
, 生体材料
Research theme for competitive and other funds (8):
2021 - 2024 Open atmospheric nitridation on a metallic surface using laser irradiation
2021 - 2024 TiO2 layer formation on super elastic NiTi alloy via anodization
2018 - 2021 Fabrication of visible light responsive photocatalytic antibacterial titanium surgical implement through anodization in non-aqueous electrolyte
2015 - 2018 One-step fabrication of high-adhesive Ag-containing hydroxyapatite coating on titanium substrate
2012 - 2015 Novel surface treatment process for forming thin hydroxyapatite coating on titanium
2008 - 2010 Bioactivation of titanium using calcium-hydroxide slurry
2005 - 2008 Study of superelastic biomaterials with antimicrobial activities
2004 - 2004 擬似生体環境下での骨伝導性評価における浸漬用容器の影響
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Papers (38):
Kota Sakamoto, Fumio Hayashi, Naofumi Ohtsu. XPS study on surface modification of NiTi alloy by acidic solution immersion and subsequent heating in air. SURFACE AND INTERFACE ANALYSIS. 2022. 54. 3. 238-245
Mitsuhiro Hirano, Shinya Takeda, Naofumi Ohtsu. Fabrication of Nanoprotrusion Surface on AISI 316 Stainless Steel via Ar-N<sub>2</sub> Plasma Etching. MATERIALS TRANSACTIONS. 2022. 63. 3. 357-362
Jun Takahashi, Kazuto Kawakami, Koyo Miura, Mitsuhiro Hirano, Naofumi Ohtsu. Quantitative Analysis of Nitrogen by Atom Probe Tomography Using Stoichiometric γ′-Fe 4 N Consisting of 15N Isotope. Microscopy and Microanalysis. 2022. 28. 1. 42-52
Naofumi Ohtsu, Koyo Miura, Mitsuhiro Hirano, Kenji Kodama. Investigation of admixed gas effect on plasma nitriding of AISI316L austenitic stainless steel. Vacuum. 2021. 193
Mitsuhiro Hirano, Shinya Takeda, Naofumi Ohtsu. Variation in nanopillar surface on plasma-etched stainless steel owing to the crystal phase and composition. Materials Chemistry and Physics. 2021. 272
平野満大, 大津直史. Antibacterial Surface Treatment for Metallic Material Applied to Medical Devices~Antibacterial Functionalization via Fabrication of Nanopillar~. まてりあ. 2022. 61. 11