大津 直史 Naofumi Ohtsu

研究者情報
職名 教授
所属 地球環境工学科 - 先端材料物質工学コース
関連ウェブサイト http://www.mtrl.kitami-it.ac.jp/~ohtsu/index.html
学位・学歴・職歴

学位

博士(学術) 生体材料応用のためのチタン酸カルシウム被覆に関する研究 2007

学歴

1994 横浜国立大学教育学部卒業
1999 東京工業大学大学院理工学研究科修士課程修了
2007 東京医科歯科大学生体材料工学研究所研究生

職歴

2001-2007 東北大学 金属材料研究所
2008-2012 北見工業大学 講師
2013-2017 北見工業大学 准教授
2018- 北見工業大学 教授
担当科目・専門分野等
担当授業科目(学部)
物理III, 無機材料工学
専門分野
金属表面改質, 医療・生体材料, 固体表面分析
研究テーマ
表面機能型無機生体材料の開発, 耐摩耗金属表面改質法の開発, 医療材料の機能評価法の開発, X線・電子分光による固体表面解析, オホーツク産和薄荷の利活用
研究内容キーワード
生体活性材料, 抗菌性材料, 耐摩耗性金属材料, 表面処理, 固体表面分析, 和薄荷の応用
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
著書
タイトル/出版社等
バイオマテリアル研究の最前線:スラリーを利用したチタン表面へのHApコーティング -新しいウエットプロセスによる生体機能性薄膜の形成―
日本金属学会, 2014-10
学術論文等

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
Luminescence in SiO2 induced by MeV energy proton irradiation
Journal of Nuclear Materials, 329, 1507, 1510
2004-05
Evaluation of degradability of CaTiO3 thin film in simulated body fluids
Materials Transactions, 45, 1778, 1781
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
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 phosphate formation on titanium modified with newly developed calcium-hydroxide-slurry treatment
Materials Transactions, 48, 105, 110
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
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
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 and dissolution behavior in a physiological solution of heart-treated CaTiO3 thin film with different thicknesses
Solid State Phenomena, 127, 209, 214
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
Oxidation behavior of NiAl alloy at low temperatures
Surface and Interface analysis, 33, 528, 532
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
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 studies on phase identification and quantification of nickel aluminides
Applied Surface Science, 253, 8713, 8717
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
Microstructure and superhydrophilicity of anodic TiO2 films on pure titanium
Thin Solid Film, 516, 7488, 7496
2008-07
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
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
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
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
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
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
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
Fabrication of visible-light-responsive titanium dioxide layer on titanium using anodic oxidization in nitric acid
Applied Surface Science, 270, 513
2013-05
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
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
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
Effect of phosphorous incorporation on crystallinity, morphology, and photocatalytic activity of anodic oxide layer on titanium
Thin Solid Films, 556, 1, 247
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
Effect of sterilization and water rinsing on cell adhesion to titanium surfaces
Applied Surface Science, 311, 30, 498
2014-08
Photocatalytic activity of the oxide layer formed on niti surface through thermal oxidation process
Materials Transactions, 55, 8, 1332
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
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
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
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
Comparison of NiTi alloy surfaces formed by anodization in nitric, phosphoric, and sulfuric acid electrolytes
Surface and Coatings Technology, 335, 306
2018-01
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
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
Surface characteristics, Ni ion release, and antibacterial efficacy of anodized NiTi alloy using HNO3 electrolyte of various concentrations
Applied Surface Science, 492, 785
2019-07
Anomalous anodic layer growth on titanium occurring in electrolyte comprising nitrate and water
Surface and Coatings Technology, 374, 65
2019-07

参考論文

論文名/掲載誌名等 掲載年月
X線光電子分光法による材料評価―事例から学ぶ試料準備の留意点
まてりあ, 43, 203, 208
2008-04
寒冷地のボックスカルバートトンネルにおける鋼材の腐食分析
寒冷技術論文報告集, 30, 144-147
2014-12
ローテク・ローコスト表面処理技術を利用した高機能チタン生体材料の創製
チタン誌, 63, 2, 128-133
2015-04
金属基生体材料の変遷と展望
まてりあ, 56, 3, 204
2017-03
科学研究費
研究課題・他 取得年月
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
2004
水酸化カルシウムスラリーを用いたチタンインプラントへの骨誘導性能付与
2008-2010
マイクロアーク酸化による可視応答性SドープTiO2製造法の開発
2008
スラリー埋入加熱処理を利用した高密着性ナノアパタイト被覆チタン材料の開発
2009
レーザー照射を利用した鉄鋼材料表面マイクロ窒化技術の開発
2010
難剥離性極薄アパタイト皮膜チタン材料製造のための新表面処理技術の確立
2012-2014
人工関節予後不良を低減する難剥離性極薄Ag含有アパタイト被膜のワンステップ形成
2015-2017
非水溶媒陽極酸化を用いた"感染症を防ぐ"可視応答光触媒被膜チタン手術器具の創製
2018-2020
受賞
2008 北見医工連賞
2016 北海道分析化学賞
社会活動
2009.4-2017.3 日本金属学会 会報編集委員
2011.4- 日本分析化学会 北海道支部幹事
2014.3-2017.3 日本分析化学会 「分析化学」編集委員
2016.4- 日本金属学会報文誌査読委員
2019.4- 日本金属学会北海道支部 理事
2019.7- 日本鉄鋼協会北海道支部 理事