大津 直史 Naofumi Ohtsu

学位

学歴

職歴

担当授業科目（学部）

先端材料物質工学概論　地球環境（2020年度以前入学）, 物理III　ｴﾈﾙｷﾞｰ総合, 物理III　環境防災, 無機材料工学　先端材料, 先端材料物質工学　先端材料, 先端材料物質総合工学II　先端材料, 金属材料　先端材料, 生体材料化学　先端材料, 先端材料物質工学演習　先端材料, 文献ゼミナール　先端材料, 物理III　先端材料, 物理III　地域ﾏﾈ（地球環境）, 地球環境工学入門/短期履修, 先端材料物質総合工学I　先端材料, 工学基礎実験および演習 地球環境/短期履修

担当授業科目（大学院）

生命科学特論II　応用化学, 生命科学　医療工学

専門分野

金属材料表面工学, 医療・生体材料, 固体表面分析

研究テーマ

表面機能型医療用金属材料に関する研究開発, 耐摩耗表面金属材料に関する研究開発, 光電子分光法による表面分析法に関する研究, 地域農産物の分析法ならびに利活用法に関する研究

研究内容キーワード

生体活性表面, 抗菌表面, 耐摩耗表面, 光電子分光分析, 地域農工連携

所属学会

日本金属学会, 日本分析化学会, 日本バイオマテリアル学会, 日本鉄鋼協会

学術論文

論文名／掲載誌名等		掲載年月
Ion beam analysis of helium and its irradiation effect on hydrogen trapping in W single crystals Nuclear Instruments and Methods in Physics Research B, 190, 652, 656		2002-07
Helium and hydrogen trapping in W and Mo single-crystals irradiated by He ions Journal of Nuclear materials, 307-311, 1513, 1516		2002-09
Re-emission of hydrogen implanted into graphite by helium ion bombardment Journal of Nuclear Materials, 313-316, 274, 278		2003-06
Hydrogen accumulation in the helium implanted surface of Mo single crystals Journal of Alloys and Compounds, 356-357, 326, 329		2003-07
Hydrogen and deuterium uptake in helium implanted layer of Mo and W Journal of Nuclear Materials, 313-316, 279, 283		2003-08
Titanium-implanted CaTiO3 films and their change in Hanks’ solution Surface and Interface Analysis, 35, 483, 488		2003-09
Characterization of Surface Amorphous Ni-Nb-Ta-P Alloys Passivated in a 12 kmol/m3 HCl Solution Materials Transactions, 45, 131, 136		2004-01
Silicon contamination adsorbed on pure titanium plate during soaking test in Hanks’ balanced saline solution Materials Transactions, 45, 550, 553		2004-02
Evaluation of degradability of CaTiO3 thin film in simulated body fluids Materials Transactions, 45, 1778, 1781		2004-05
Luminescence in SiO2 induced by MeV energy proton irradiation Journal of Nuclear Materials, 329, 1507, 1510		2004-05
Measurement of the electrical resistance and the hydrogen depth distribution for Ni60Nb20Zr20 amorphous alloy before and after hydrogen charging Solid State Communications, 133, 511, 513		2004-10
Effects of γ-ray and neutron irradiation on electrical characteristic of proton-conducting polymer electrolyte membranes Journal of Nuclear Materials, 329-333, 1499, 1502		2004-10
Thermal Desorption of Hydrogen at the Titanium Hydride-Oxide Interface Materials Transactions, 46, 196, 198		2005-02
Glass formation, corrosion behavior and mechanical properties of bulk glassy Cu-Hf-Ti-Nb alloys ACTA Materiaria, 53, 9303, 9311		2005-07
CaTiO3 films sputter-deposited under simultaneous Ti-ion implantation on Ti-substrate Surface and Coatings Technology, 200, 1005, 1008		2005-10
Mechanical properties of melt-spun amorphous Ni-Nb-Zr alloys after hydrogen charging Materials Transactions, 47, 1523, 1526		2006-06
Hydrogen accumulation in surface of perfluorosulfonic acid membranes after gamma-ray irradiation, using elastic recoil detection techniques Japanese Journal of Applied Physics, 45, 6385, 6387		2006-08
Characterization of CaTiO3 thin film prepared by ion-beam assisted deposition Surface and Coatings Technology, 200, 5455, 5461		2006-10
Calcium phosphate formation on titanium modified with newly developed calcium-hydroxide-slurry treatment Materials Transactions, 48, 105, 110		2007-04
ガス窒化による生体用Ti-29Nb-13Ta-4.6Zr合金およびTi-6Al-4V合金表面の硬質皮膜生成に及ぼす合金元素の影響 日本金属学会誌, 71, 415, 422		2007-04
Calcium phosphates formation on CaTiO3 coated titanium Journal of Materials Science: Materials in Medicine, 18, 1009, 1016		2007-05
Hard-ceramic layer formation on Ti-29Nb-13Ta-4.6Zr and Ti-6Al-4V ELI during gas nitriding Materials Science Forum, 232, 1509, 1512		2007-06
X-ray photoelectron spectroscopic study on initial oxidation of hafnium hydride fractured in an ultra-high vacuum Applied Surface Science, 253, 6844, 6847		2007-06
Characterization of calcium-titanate thin films deposited on titanium with reactive sputtering and pulsed laser depositions Surface and Coatings Technology, 201, 7686, 7691		2007-06
Characterization and dissolution behavior in a physiological solution of heart-treated CaTiO3 thin film with different thicknesses Solid State Phenomena, 127, 209, 214		2007-07
Oxidation behavior of NiAl alloy at low temperatures Surface and Interface analysis, 33, 528, 532		2007-07
Investigation for analytical procedure for determination of trace metallic ions in simulated body fluids by inductively coupled plasma atomic emission spectrometry (ICP-AES) Journal of Materials Science: Materials in Medicine, 18, 429, 433		2007-07
CaTiO3 coating on titanium for biomaterial application - optimum thickness and tissue response Journal of Biomedical Materials Rsearch, 82A, 304, 315		2007-08
XPS study on the surface film of newly designed Ni-free Ti-based bulk metallic glass ACTA Materiaria, 55, 2057, 2063		2007-11
X-ray photoelectron spectroscopic studies on phase identification and quantification of nickel aluminides Applied Surface Science, 253, 8713, 8717		2007-12
Molten metal flux growth and study of properties and chemical state of a new compound PrRh4.8B2 Journal of Flux Growth, 2, 87, 92		2007-12
X-ray photoelectron spectroscopic study on initial oxidation of iron and manganese mono-silicides Applied Surface Science, 254, 3288, 3294		2008-04
Surface hardening of biomedical Ti-29Nb-13Ta-4.6Zr and Ti-6Al-4V ELI by gas nitriding Material Science and Engeneering, A486, 193, 2001		2008-06
Comparison of intrinsic zero-energy loss and Shirley-type background corrected profile of XPS spectra for quantitative surface analysis Applied Surface Science, 254, 5141, 5148		2008-07
Microstructure and superhydrophilicity of anodic TiO2 films on pure titanium Thin Solid Film, 516, 7488, 7496		2008-07
Trace Analysis of Released Metallic Ions in Static Immersion Test for Characterization of Metallic Biomaterials Materials Transactions, 49, 1342, 1345		2008-08
Calcium-hydroxide slurry processing for bioactive calcium-titanate coating on titanium Surface and Coatings Technology, 202, 5110, 5115		2008-08
X-ray photoelectron spectroscopic studies on oxidation behavior of iron and nickel aluminides under oxygen atmosphere at low pressures Applied Surface Science, 254, 5336, 5341		2008-08
Structural and dielectric properties of anodically oxidized film on Nb - Ti Thin Solid Films, 516, 8613, 8619		2008-09
Origin of ferromagnetism in ZnO codoped with Ga and Co: Experiment and theory Physical Review B , 78, 155202-1, 155202-7		2008-10
Synthesis, boron solubility and properties of perovskite-type rare earth palladium borides Journal of Flux Growth, 3, 68, 71		2008-11
Superhydrophilicity of Rutile TiO2 prepared by anodic oxidization in high concentration sulfuric acid electrolyte Chemistry letters , 37, 1126, 1127		2008-11
Thermal stability, corrosion resistance, and surface analysis of Cu-Hf-Ti-Ni-Nb bulk metallic glasses Journal Material Research, 24, 316, 323		2009-02
Quantitative Evaluation of Calcium Phosphate on Surface of Titanium by X-ray Fluorescence Analysis Materials Transactions, 50, 2297		2009-04
X-ray photoelectron spectroscopic study on surface reaction on titanium by laser irrasiation in nitrogen atmosphere Applied Surface Science, 255, 2009		2009-05
Enhanced photocatalytic activity of rutile TiO2 prepared by anodic oxidization in a high concentration sulfuric acid electrolyte Applied Catalysis B, 90, 255		2009-06
Visible light response of sulfer-doped rutile titanium dioxide photocatalysts fabricated by anodic oxidization Applied Catalysis B, 91, 152		2009-08
X-ray photoelectron spectroscopy study on the Cr-N surface grown on sapphire substrate to control the polarity of ZnO by plasma-assisted molecular beam epitaxy Applied Surface Science, 255, 8582		2009-08
金属系生体材料評価のための溶出試験における擬似体液中微量元素の分析 日本金属学会誌, 73, 728		2009-09
Hydrocarbon decomposition on a hydrophilic TiO2 surface by UV irradiation: Spectral and quantitative analysis using in-situ XPS technique Langmuir, 25, 11586		2009-10
蛍光X線分析法を用いたチタン表面におけるリン酸カルシウム析出量の評価 日本金属学会誌, 74, 237, 241		2010-04
Comparison of surface film formed on titanium by pulsed Nd:YAG laser irradiation at different powers and wavelengths in nitrogen atmosphere Applied Surface Science, 256, 4522, 4526		2010-05
Surface hardening of titanium by pulsed Nd:YAG laser irradiation at 1064- and 532-nm wavelengths in nitrogen atmosphere Applied Surface Science, 257, 691, 695		2010-08
Dielectric properties of anodic oxide film on Nb solid solution/Nb2N two phase alloys Thin Solid Films, 519, 719, 729		2010-09
Photo-induced characteristics of a Ti-Nb-Sn bioimetallic alloy with low Young's modulus Thin Solid Films, 519, 276, 283		2010-10
Biofunctional calcium titanate coating on titanium by simple chemical treatment process using calcium-hydroxide slurry -Effects of the heating temperatures- Progress in Organic Coatings , 70, 353		2011-04
Fabrication of composite coating comprising bioactive calcium and sodium titanates on titanium using calcium hydroxide slurry containing sodium ions Surface and Coatings Technology, 205, 3785		2011-04
Protein adsorption properties on titanium with and without calcium titanate-coating IOP Conference Series: Materials Science and Engineering, 18, 192023		2011-11
Ni3Al and NiAl by XPS Surface Science Spectra, 17, 68		2011-11
Visible light response of nitrogen and sulfur co-doped TiO2 photocatalysis fabricated by anodic oxidation Catalysis Today, 164, 399		2011-11
Thin hydroxyapatite coating on titanium using calcium phosphate slurry Surface and Coatings Technology, 206, 2616		2012-02
Angle-resolved XPS studies on an anodic oxide formed on Ti-Nb-Sn alloy and the photo-induced change in carbon contaminants adsorbed on its surface Applied Surface Science, 258, 6052		2012-05
Surface-nitriding treatment of steels using microwave-induced nitrogen plasma at atmospheric pressure Applied Surface Science, 258, 7574		2012-05
Experimental calibration curve for quantitative XPS analysis constructed form in situ fractured polycrystalline manganese silicide surfaces Surface and Interface Analysis, 44, 993		2012-06
Dependence of core-level XPS spectra on iron silicide phase Applied Surface Science, 264, 219		2013-01
Chemical and crystallographic characterizations of hydroxyapatite- and octacalcium phosphate-coatings on magnesium synthesized by chemical solution deposition using XPS and XRD Surface and Coatings Technology, 218, 114		2013-02
Direct and rapid quantification of calcium phosphate precipitate on titanium by x-ray fluorescence analysis using fundamental parameter method Materials Transactions, 54, 5, 817		2013-05
Fabrication of visible-light-responsive titanium dioxide layer on titanium using anodic oxidization in nitric acid Applied Surface Science, 270, 513		2013-05
Effect of electrolytes on anodic oxidation of titanium for fabricating titanium dioxide photocatalyst Thin Solid Films, 534, 70-75		2013-06
Structural and characteristic variation of anodic oxide on pure Ti with anodization duration Applied Surface Science, 283, 1018		2013-10
Surface modification of Ti-6Al-4V alloy using an oxygen glow-discharge plasma to suppress the elution of toxic elements into physiological environment Surface and Coatings Technology, 232, 298		2013-10
Effect of treatment temperature on the biocompatibility and mechanical strength of hydroxyapatite coating formed on titanium using calcium phosphate slurry Surface and Coatings Technology, 239, 185		2014-01
Structural changes of anodic layer on titanium in sulfate solution as a function of anodization duration in constant current mode Applied Surface Science, 296, 163		2014-03
Thickness of titanium nitride layers formed by focused low-power pulsed Nd: YAG laser irradiation in nitrogen atmospheres Surface and Coatings Technology, 244, 15, 57		2014-04
Effect of phosphorous incorporation on crystallinity, morphology, and photocatalytic activity of anodic oxide layer on titanium Thin Solid Films, 556, 1, 247		2014-04
光触媒抗菌試験条件がチタン基板上の大腸菌生存率に与える影響 日本金属学会誌, 78, 159		2014-04
Selectable surface nitridation of titanium using focused pulsed Nd: YAG laser irradiation with nitrogen gas blow Surface and Coatings Technology, 246, 15, 52		2014-05
Fabrication of antibacterial titanium implant using anodic oxidation technique Materials Science Forum, 783-786, 1326		2014-05
Photocatalytic activity of the oxide layer formed on niti surface through thermal oxidation process Materials Transactions, 55, 8, 1332		2014-08
Effect of sterilization and water rinsing on cell adhesion to titanium surfaces Applied Surface Science, 311, 30, 498		2014-08
Response of osteoblast-like MC3T3-E1 cells on bioactive titanium fabricated by a chemical treatment process using a calcium-phosphate slurry Journal of Biomedical Materials Research Part A, 102, 3838		2014-11
Surface hardening of age-hardenable Cu–Ti dilute alloys by plasma nitriding Surface and Coatings Technology , 258, 691		2014-11
In vitro and in vivo biocompatibility and corrosion behaviour of a bioabsorbable magnesium alloy coated with octacalcium phosphate and hydroxyapatite Acta Biomaterialia, 11, 520		2015-04
ファンダメンタルパラメータ法を利用した蛍光 X 線分析によるチタン基板上リン酸カルシウム析出物の直接迅速定量 日本金属学会誌, 79, 1, 2015		2015-04
Fabrication of a visible-light-responsive photocatalytic antibacterial coating on titanium through anodic oxidation in a nitrate/ethylene glycol electrolyte Surface and Coatings Technology, 262, 97		2015-05
Electrolyte effects on the surface chemistry and cellular response of anodized titanium Applied Surface Science, 349, 2015		2015-09
Microstructures, mechanical properties and cytotoxicity of low cost beta Ti-Mn alloys for biomedical applications ACTA Biomaterialia, 26, 366		2015-10
Surface characteristics and cell-adhesion performance of titanium treated with direct-current gas plasma comprising nitrogen and oxyge Applied Surface Science, 354, 161		2015-11
Hydrogen permeability degradation of Pd-coated Nb–TiNi alloy caused by its interfacial diffusion Applied Surface Science, 360, 566–571		2016-01
Formation of surface oxides and its effects on the hydrogen permeability of Nb40Ti30Ni30 alloy International Journal of Hydrogen Energy, 41, 5269		2016-03
Surface structure and photocatalytic performance of an anodic oxide layer fabricated on titanium in a nitrate/ethylene glycol electrolyte with different treatment durations Surface and Coatings Technology, 294, 25, 109		2016-05
XPS analysis of a heat-treated NiTi surface for elucidating Ni segregation phenomena Surface and Interface Analysis, 48, 488		2016-07
GF-AASによるリン酸緩衝塩類溶液中Ag，Cu及びNiの正確な定量分析のための溶液調製法の検討 分析化学, 65, 8, 457		2016-08
Surface chemistry and osteoblast-like cell response on a titanium surface modified by a focused Nd:YAG laser Surface and Coatings Technology, 305, 220		2017-01
Antibacterial effect of nickel-titanium alloy owing to nickel ion release Applied Surface Science, 405, 215		2017-05
Growth of oxide layers on NiTi alloy surfaces through anodization in nitric acid electrolyte Surface and Coatings Technology, 325, 70		2017-09
Effect of plasma nitriding on the structural stability and hydrogen absorption capability of Pd-coated Nb during thermal treatment Applied Surface Science , 423, 680		2017-11
X-ray diffraction and X-ray photoelectron spectroscopy characterization of sulfurized tin thin films deposited by thermal evaporation Thin Solid Films, 645, 409		2018-01
Comparison of NiTi alloy surfaces formed by anodization in nitric, phosphoric, and sulfuric acid electrolytes Surface and Coatings Technology, 335, 306		2018-01
Antibacterial effect of zinc oxide/hydroxyapatite coatings prepared by chemical solution deposition Applied Surface Science Applied Surface Science, 445, 596		2018-07
Promotion of bone regeneration on titanium implants through a chemical treatment process using calcium phosphate slurry: Microscopic analysis, cellular response, and animal experiment Journal of Biomedical Materials Research Part B, 106B, 2716		2018-09
Utilization of the Japanese peppermint herbal water byproduct of steam distillation as an antimicrobial agent Journal of Oleo Science , 67, 1227		2018-10
Parameter settings in a compact laser‐nitriding system for titanium composed of a focused pulsed Nd:YAG laser and nitrogen gas blow Surface and Interfance Analysis, 51, 302		2019-02
Enhanced calcification of osteoblast-like cells on zirconium through calcium-phosphate slurry processing Applied Surface Science, 478, 567		2019-06
Anomalous anodic layer growth on titanium occurring in electrolyte comprising nitrate and water Surface and Coatings Technology, 374, 65		2019-07
Predominant surface property of an anodized titanium that enhances the cell response Biointerphases , 14, 041002		2019-07
Photocatalytic performance of an anodic TiO2 layer fabricated in a NH4NO3/Ethylene glycol electrolyte with various crystallographic phases Materials Transactions, 60, 1821		2019-09
Characteristics of Japanese mint extracts obtained by subcritical-water treatment Food Science and Technology Research, 25, 5, 695-703		2019-10
Surface characteristics, Ni ion release, and antibacterial efficacy of anodized NiTi alloy using HNO3 electrolyte of various concentrations Applied Surface Science, 492, 785		2019-10
Recovery of mint essential oil through pressure-releasing distillation during subcritical water treatment Food Science and Tecnology Research, 25, 6, 793-799		2019-12
Hydrodistillation by Solvent-Free Microwave Extraction of Fresh Japanese Peppermint (Mentha arvensis L.) Journal of Essential Oil Bearing Plants, 67, 10, 1227-1233		2020-02
Enhanced hardness and photocatalytic performance in anodic N-doped TiO2 layer on titanium using a non-aqueous nitrate electrolyte Surface and Coatings Technology, 386, 125424		2020-03
Effects of alcoholic solvents on the structure of anodized TiO2 layer grown in nitrate electrolyte Surface and Coatings Technology, 387, 125469		2020-04
Enzyme-assisted extraction of bioactive phytochemicals from Japanese peppermint (Mentha arvensis l. cv. ‘hokuto’) Journal of Oleo Science, 69, 635		2020-06
XPS spectral analysis for a multiple oxide comprising NiO, TiO2, and NiTiO3 Applied Surface Science, 526, 146729		2020-08
Cell responses on Ni-free anodized layer of NiTi alloy with various surface morphologies Applied Surface Science, 631, 147351		2020-11
XPS study of a laser‐nitrided iron surface using a focused pulsed Nd:YAG laser under various conditions Surface and Interface Analysis, 52, 919		2020-12
Spectral analysis of Sr 3d XPS spectrum in Sr-containing hydroxyapatite Surface and Interface Analysis, 52, 823		2020-12
Effects of discharge mode and gas composition for plasma‐hydrophilized titanium surface on hydrophilic sustainability Surface and Interface Analysis, 52, 835		2020-12
XPS spectra of chromium monosilicides and disilicides obtained by in situ fractured clean surfaces Surface and Interface Analysis, 52, 1050		2020-12
簡便迅速な土壌中の可給態肥料成分推計のための波長分散型XRFの応用 分析化学, 69, 685		2020-12
Pulsed anodization of NiTi alloy to form a biofunctional Ni-free oxide layer for corrosion protection and hydrophilicity Surface and Coatings Technology, 412, 127039		2021-04
天然食用色素としての応用に向けた和種薄荷乾燥粉末への温水処理効果 分析化学 , 70, 223		2021-04
Fabrication of antibacterial nanopillar surface on AISI 316 stainless steel through argon plasma etching with direct current discharge Surface and Coatings Technology, 406, 126680		2021-04
Electrolyte effect in pulsed anodization of NiTi alloy to form a Ni-free oxide layer Surface and Coatings Technology, 417, 127221		2021-07
Synthesis, odour characteristics, and antibacterial activity of optically active cognac lactones Flavour and Fragrance Journal , 36, 584		2021-09
Bioactivation of yttria-stabilized tetragonal zirconia surface via a chemical treatment processing using a calcium-phosphate slurry Materials Transactions , 62, 1407		2021-09
Variation in nanopillar surface on plasma-etched stainless steel owing to the crystal phase and composition Materials Chemistry and Physics, 272, 125054		2021-11
Investigation of admixed gas effect on plasma nitriding of AISI316L austenitic stainless steel Vacuum, 193, 110545		2021-11
XPS study on surface modification of NiTi alloy by acidic solution immersion and subsequent heating in air Surface and Interface Analysis, 54, 238-245		2022-04
Quantitative analysis of nitrogen by atom probe tomography using stoichiometric γ-Fe4N consisting of 15N isotope Microscopy and Microanalysis, 28, 42-52		2022-04
A facile chemical process to form an ultrathin hydroxyapatite layer with a customizable silver-releasing function on a titanium implant Journal of Biomedical Materials Research Part B , 110, 587-596		2022-04
An open-atmosphere nitriding process for titanium using a watt-level pulsed Nd:YAG laser Surface and Coatings Technology, 438, 128362		2022-05
Fabrication of nnoprotrusion surface on AISI 316 stainless steel via Ar-N2 plasma etching Materials Transactions, 63, 357-362		2022-06
Characteristic variation of pulsed-anodized NiTi surface by the adjustment of voltage-unapplied state Surface and Interface Analysis, 54, 1070-7077		2022-10

参考論文