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Electrode Kinetics of the O2/ O2- Redox
Couple at Hg Electrode in the Presence of PVC in Aprotic Media
M. S. Saha and T. Ohsaka
Electrochim. Acta., in press.
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Gold Nanoparticle-Assisted
Electroreduction of Oxigen
C. R. Raj and T. Ohsaka
Electrochem. Commun., submitted.
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Electrochemical Biosensors for
Superoxide Anion
Y. Tian, L. Mao and T. Ohsaka
Current Analytical Chemistry, submitted.
|
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Electrodoposition of Gold Nanorods with
a Uni-directional Crystal Growth and Lower Au(111) Facet Area
F. Gao, M. S. El-deab and T. Ohsaka
Indian J. Chem., in press.
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Oxygen Reduction at Electrochemically
Deposited Au(100)-like Gold Nanoparticles
M. S. El-Deab, T. Sotomura and T. Ohsaka
Electrochem. Commun., 7, 29-35 (2005)
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Current Oscillatory Phenomena Based on Electrogenerated
Superoxide Ion at HMDE in Dimethylsulfoxide
Md. M. Islam, M.S. Sada, T. Okajima and T. Ohsaka
J. Electroanal. Chem., in press.
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Current Oscillatory Phenomena Based on
the Redox Reactions at HMDE in Dimethylsulfoxide
Md. M. Islam, T. Okajima and T. Ohsaka
J. Phys. Chem. B, 108, 19425-19431 (2004).
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Carbon Fiber Microelectrode-Based
Third-Generation Biosensors for Superoxide Anion
Y. Tian, L. Mao, T. Okajima and T. Ohsaka
Biosensors and Bioelectronics, in press.
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Electrochemical Preparation of an Au
Crystal with Peculiar Morphology and Unique Growth Orientation and its
Catalysis for Oxygen Reduction
F. Gao, M. S. El-Deab, T. Okajima and T. Ohsaka
J. Electrochem. Soc., in press.
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Electroanalysis of Peroxone
M. I. Awad and T. Ohsaka
Electrochem. Commun., 6, 1135-1140 (2004).
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Simultaneous electroanalysis of Hypochlarite and H2O2:
Use of I-/ I2 as a Probing Potential Buffer
M. I. Awad, S. Sata and T. Ohsaka
Electroanalysis, in press.
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Self - Assembled Monolayers Suitable for Electron - Transfer Promotion of
Copper, Zinc - Superoxide Dismutase
Y. Tian, T. Ariga, N. Takashima, T. Okajima, L. Mao and T. Ohsaka
Electrochem. Commun., 6, 609 - 614 (2004).
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In Situ Color Video observation of Polarographic Streaming Phenomenon of an
HMDE Using Electrochromic Reaction
Md. M. Islam, T. Okajima and T. Ohsaka
Electrochem. Commun., 6, 556 - 561 (2004).
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Effect of
Electrode Materials on the Kinetics of the Electro - Reduction of
Peroxyacetic Acid
A. Denggerile, M. I. Awad, T. Okajima, C. Harnoode and T. Ohsaka
Electrochim. Acta., 49, 4135-4141 (2004)
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Determination of Saturated Concentration and Diffusion Coefficient of Nitric
Oxide in Physiological pH Solution Using Hydrodynamic Chronocoulometry
T. Oritani, T. Okajima and T. Ohsaka
Electrochemistry, 72, No.5, 298 - 301 (2004).
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Electrochemical studies of Acid - Promoted Disproportionation of Nitroxyl
Radical
S. Kishioka, T. Ohsaka and K. Tokuda
Electrochim. Acta., 48, 1589 - 1594 (2003).
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Electrochemistry and Electro - catalytic Activities of Superoxide Dismutases
at Gold Electrodes Modified with Self - Assembled Monolayer
Y. Tian, L.Mao, T. Okajima and T. Ohsaka
Anal. Chem., 76, 4162-4168 (2004).
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Electroreduction of Peroxyacetic Acid at Gold Electrode in Aqueous Media
M. I. Awad, A. Denggerile and T. Ohsaka
J. Electrochem. Soc., 151, No.12, E358-E368 (2004).
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Electrocatalytic Reduction of Oxygen in a Novel Catalytic System with Cobalt
Phthalocyanines and Manganese Oxide
K. Arihara, L. Mao, P. A. Liddell, E. Marino - Ochoa, A. L. Moore, T. Imase,
D. Zhang, T. Sotomura and T. Ohsaka
J. Electrochem. Soc., 151, No.12, A2047-A2052 (2004).
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Size - and Crystallograhic Orientation - Controls of Gold Nanoparticles
Electrodeposited on Glassy Carbon Electrodes in the precense of Cysteine or
Iodide Ions
M. S. El - Deab, T. Sotomura and T. Ohsaka
J. Electrochem. Soc., 151, E213 - E218 (2004).
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Electrochemical
Behavior of Conjugated Quinoxaline Derivatives
R. Wang, R. Ramaraj, T. Okajima, F. Kitamura, N. Matsumoto, T. Thiemann, S.
Mataka and T. Ohsaka
J. Electroanal. Chem., 567, No1, 85-94, (2004).
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Catalytic
Reduction of O2 by Pyrazine Derivatives
R. Wang, T. Okajima, F. Kitamura, S. Kawauchi, N. Matsumoto, T. Thiemann, S.
Mataka and T. Ohsaka
J. Phys. Chem. A., 108, No.11, 1891-1899, (2004).
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Molecular-Level
Design of Binary Self-Assembled Monolayers on Polycrystalline Gold Electrodes
M. S. El-Deab and T. Ohsaka
Electrochim. Acta, 49, No.13, 2189-2194, (2004).
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Bifunctional
Catalytic Activity of Manganese Oxide toward O2 Reduction-
Novel Insight into the Mechanism of Alkaline Air Electrode
T. Ohsaka, L. Mao, K. Arihara and T. Sotomura
Electrochem. Commun., 6, No.3, 273-277, (2004).
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Selective
Detection of Dopamine and Its Metabolite, DOPAC, in the Presence of Ascorbic
Acid Using Diamond Electrode Modified by the Polymer Film
P.R. Roy, M. S. Saha, T. Okajima, S-G. Park, A. Fujishima and T. Ohsaka
Electroanalysis, 16, 1777-1784 (2004).
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Electrolytic
Synthesis of Peroxyacetic Acid Using in situ Generated Hydrogen Peroxide on
Gas Diffusion Electrodes
M. S. Saha, Y. Nishiki, T. Furuta and T. Ohsaka
J. Electrochem. Soc., 151, No.9, D93-D97 (2004).
|
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A Novel Alkaline Air Electrode Based on A Combined Use of Cobalt
Hexadecafluoro-phthalocyanine
and Manganese Oxide
L. Mao, K. Arihara, T. Sotomura and T. Ohsaka
Electrochim Acta, 49, 2515-2521 (2004).
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Multiple
Voltammetric Waves for Reductive Desorption of Cysteine and 4-Mercaptobenzoic
Acid
Monolayers Self - Assembled on Gold Substrates ;
K. Arihara, T. Ariga, N.Takashima, K. Arihara, T.Okajima, F. Kitamura, K.
Tokuda and T. Ohsaka,
Phys. Chem. Chem. Phys., 5, 3758-3761 (2003).
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Enhancement of Electrochemical Reduction of Hydrogen Peroxide and Observation
of Current Oscillatory
phenomena during its Reduction on a Mercury Adatom-modified Au electrode;
Futoshi Matsumoto, Shinji Uesugi, Nobuyuki Koura and Takeo Ohsaka,
J Electroanal. Chem., 549, 71-80 (2003).
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A Novel Amperometric O2 Gas Sensor Based on Supported Room-Temperature
Ionic Liquid Porous
Polyethylene Membrane-coated Electrodes;
Rong Wang, Takeyoshi Okajima, Fusao Kitamura and Takeo Ohsaka,
Electroanalysis, 16, 66-72 (2004).
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Electro-reduction of Dioxygen in 1-n- Alkyl -3- methylimidazolium
Tetrafluoroborate Room-temperature
Ionic Liquids;
Dun Zhang, Takeyoshi Okajima, Futoshi Matsumoto and Takeo Ohsaka,
J. Electrochem. Soc.,151, D31-D37 (2004).
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A Novel Electrochemical Strategy for Developing Alkaline
Air Electrodes by a Combined Use of Dual
Functional Catalysts;
Lanqun Mao, Kazuki Arihara, Tadashi Sotomura and Takeo
Ohsaka,
Chem. Commun.
2818-2819 (2003).
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O2 Gas Sensor Using Supported Hydrophobic Room- Temperature Ionic
Liquid Membrane- coated
Electrode;
R. Wang, S. Hoyano and T. Ohsaka,
Chem. Lett., 33, 6-7 (2004).
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Electrochemical Reduction of Molecular Oxygen on Hg Adatom- Modified Au
Electrode in Organic Media
Containing a Small Amount of Water;
F. Matsumoto, S. Uesugi, M.Harada, N. Koura and T. Ohsaka,
Electrochemistry, 71, 927-932 (2003).
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A Fabrication of Au (111) -like Polycrystalline Gold Electrodes and Their
Applications to the Oxygen
Reduction ;
Mohamed S. El-Deab, K. Arihara and T. Ohsaka,
J. Electrochem. Soc., 151, E213-E218 (2004).
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Electrochemical and Spectroscopic Studies on Electron-Transfer Reaction
between Nobel Water-Soluble
Tetrazolimu Salts and a Superoxide Ion;
T. Oritani, N. Fukuhara, T. Okajima, F. Kitamura and T. Ohsaka,
Inorg. Chim. Acta, 357, 436-442 (2004).
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Simultaneous Electrochemical Detection of Uric Acid and Ascorbic Acid at Poly
(N,N-Dimethylaniline)
Film-Coated GC Electrode;
P. R. Roy, T. Okajima and T. Ohsaka,
J. Electroanal. Chem., 561, 75-82 (2004).
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Cyclic and Normal Pulse Voltammetric Studies of
2,3,6,7,10,11-Hexaphenyl-hexazatriphenylene Using
a Benzonitrile Thin Layer-Coated Glassy Carbon Electrode;
R. Wang, T. Okajima, F. Kitamura, N. Matsumoto, T. Thiemann, S. Mataka and T.
Ohsaka,
J Phys.Chem. B., 107, No.35, 9452-9458 (2003).
|
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A New Method for the Preparation of Peroxyacetic Acid Using Solid Superacid
Catalysts;
M. S. Saha,Y. Nishiki, T. Furuta, A. Denggerile and T. Ohsaka,
Tetrahedron Lett., 44, 5535-5537 (2003).
|
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Electrocatalysis by Nanoparticles: Oxygen Reduction on Gold
Nanoparticles-Electrodeposited Platinum
Electrodes;
M. S. El-Deab and T. Ohsaka,
J. Electroanal. Chem., 553, 107-115 (2003).
|
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Electrooxidation and Amperometric Detection of Ascorbic Acid at GC Electrode
Modified by
Electropolymerization of N,N-Dimethylaniline;
P. R. Roy, T. Okajima and T. Ohsaka,
Electroanalysis, 16, No.4, 289-297 (2004).
|
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Synthesis of Peroxyacetic Acid Using in situ Electrogenerated Hydrogen
Peroxide on Gas Diffusion
Electrode;
M. S. Saha, A. Denggerile, Y. Nishiki, T. Furuta and T. Ohsaka,
Electrochem. Commun., 5, 445-448 (2003).
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Simultaneous Potentiometric Determination of Peroxyacetic Acid and Hydrogen
Peroxyde;
M. I. Awad, T. Oritani and T. Ohsaka,
Anal. Chem., 75, 2688-2693 (2003).
|
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Potentiometric Analysis of Peroxyacetic Acid in the Presence of a Large
Excess of Hydrogen Peroxide;
M. I. Awad and T. Ohsaka,
J. Electroanal. Chem., 544, 35-40 (2003).
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Kinetic Studies of the Oxidation of Iodide by Peroxyacetic Acid;
M. I. Awad, T. Oritani and T. Ohsaka,
Inorg. Chim. Acta, 344, 253-256 (2003).
|
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Electrogeneration of Superoxide Ion and Its Mechanism at Thiol-Modified Au
Electrodes in Alkaline
Aqueous Solution;
F. Matsumoto, T. Okajima, S. Uesugi, N. Koura and T. Ohsaka,
Electrochemistry, 71 (4), 266-273 (2003).
|
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Hydrodynamic Chronocoulometric Estimation of Diffusion Coefficients and
Saturated Concentrations of
Dioxygen in KOH Solutions;
D. Zhang, J. F. Wu, L. Mao, T. Okajima, F. Kitamura, T. Sotomura and T.
Ohsaka,
Indian J. Chem. (A) 42, 801-806 (2003).
|
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Quasi-Reversible Two-Electron Reduction of Oxygen at Gold Electrodes Modifide
with a
Self-Assembled Submonolayer of Cysteine;
M. S. El-Deab and T. Ohsaka,
Electrochem. Commun. 5, 214-219 (2003).
|
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Electrochemcal Reduction of Oxygen on Gold Nanoparticles-Electrodeposited
Glassy Carbon Electrodes;
M. S. El-Deab, T. Okajima and T. Ohsaka,
J. Electrochem. Soc., 150 (7), A 851-A 857 (2003).
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Gold Nano Particle Arrays for the voltammetric Sensing of Dopamine;
C.R.Raj, T. Okajima and T. Ohsaka,
J. Electroanal. Chem., 543 (2), 127-133 (2003).
|
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Mechanistic Study of the Reduction of Oxygen in Air Electrode with Manganese
Oxides as
Electrocatalysts;
L. Mao, D. Zhang, T. Sotomura, K. Nakatsu, N. Koshiba and T. Ohsaka,
Electrochim.Acta, 48(8), 1015-1021 (2003).
|
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Voltammetric Detection of Uric Acid in the Presence of Ascorbic Acid at a
Gold Electrode Modified with
Self-Assembled Monolayer of Heteroaromatic Thiol;
C. R. Raj and T. Ohsaka,
J. Electroanal. Chem., 540, 69-77
(2003).
|
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Chemiluminescence of Lucigenin by Electrogenerated Superoxide Ions in Aqueous
Solutions;
T. Okajima and
T. Ohsaka,
Luminescence, 18, 49-57 (2003).
|
|
Simultaneous Electroanalysis of Dopamine and Ascorbic Acid Using Poly (N,N-dimethylaniline)-Modified
Electrodes;
P. R. Roy, T. Okajima and T. Ohsaka,
Bioelectrochemistry, 59 , 11-19
(2003).
|
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Simultaneous Electroanalysis of Nitric Oxide and Nitrite;
T. Oritani, T. Okajima, F. Kitamura and T. Ohsaka,
J. Korean Electrochem. Soc., 5 (4),
209-211 (2002).
|
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A SOD-based Amperometric Biosensor for Superoxide Ion;
Y. Tian, T. Okajima, F. Kitamura and T. Ohsaka,
J. Korean Electrochem. Soc., 5 (4),
212-215 (2002).
|
|
Superoxide Dismutase-Based Third-Generation Biosensors for Superoxide Anion;
Y. Tian, L. Mao, T. Okajima and T. Ohsaka,
Anal. Chem., 74 (10), 2428-2434
(2002).
|
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A Superoxide Dismutase-Modified Electrode That Detects Superoxide Ion;
T. Ohsaka, Y. Tian, M. Shioda, S. Kasahara and T. Okajima,
Chem. Commun., 990-991 (2002).
|
|
Square Wave
Voltammetric Sensing of Uric Acid Using the Self-Assembly of
Mercapto-benzimidazole;
C. R. Raj, F. Kitamura and T. Ohsaka,
Analyst, 127, 1155-1158 (2002).
|
|
Hydrodynamic Voltammetric Studies of the Oxygen Reduction at Gold
Nanoparticles-Electrodeposited
Gold Electrodes;
M. S. El-Deab and T. Ohsaka,
Electrochim. Acta, 47, 4255-4261 (2002).
|
|
Electrogenerated Chemiluminescence of Lucigenin Enhanced by the Modification
of Electrodes with
Self-Assembled Monlayers and of Solutions with Surfactants;
T. Okajima and T. Ohsaka,
J. Electroanal. Chem., 524, 181-187
(2002).
|
|
Voltammetric Measurements of pH Using a Mixed
Self-assembly of Macrocyclic Nickel (II) Complex
and Diimine on Gold Electrode;
C. R. Raj, T. Okajima and
T. Ohsaka,
Electrochem. Commun., 4,
330-335 (2002).
|
|
Characteristic
Cyclic Voltammograms of Alkyl Viologens
at Single Crystal Gold Electrodes;
K. Arihara, T. Ohsaka and
F. Kitamura,
Phys. Chem. Chem. Phys.,
4, 1002-1005 (2002).
|
|
Chemiluminescence of Indole and its Derivatives Induce by ElectrogeneratedSuperoxide Ion in
Acetonitrile Solutions;
T. Okajima and T. Ohsaka,
Electrochim. Acta., 47, 1561-1565 (2002).
|
|
An Extraordinary Electrocatalytic Reduction of
Oxygen on Gold Nanoparticles-electrodeposited Gold
Electrodes;
M. S. El-Deab and T. Ohsaka,
Electrochem. Commun.,
4, 288-292 (2002).
|
|
Electrochemical Redcution of Dioxygen
Mercury Electrode in Alkaline Aqueous Media;
D. Zhang, L. Mao, J. Wu, T. Okajima, F. Kitamura
and T. Ohsaka,
Jpn. J. Deuterium. Sci.,
11 (1), 1-8 (2002).
|
|
Chemiluminescence of 3-Methylindole Based on Electrogeneration of Superoxide
Ion in Acetonitrile
Solutions;
T. Okajima and T. Ohsaka,
J. Electroanal. Chem., 523, 34-39 (2002).
|
|
In situ Monitoring of the Mercury Electrode Surface in HClO4
Solutions by Means of Infrared Reflection
Absorption Spectroscopy;
K. Arihara, F. Kitamura, T. Ohsaka
and K. Tokuda,
J. Electroanal. Chem., 518, 139-143
(2002).
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アルカリ性水溶液中におけるポリアニリンスルホン酸修飾電極を用いたスーパーオキシドイオンの
電解生成 ;
大木 成政,
村山 耕亮,
松本 太,
小浦 延幸,
岡島 武義,
大坂 武男,
Electrochemistry, 70 (1), 23-29 (2002).
|
|
A Facilitated Electron Transfer of Copper-Zinc SuperoxideDismutase (SOD) Based on a Cysteine
-Bridged SOD Electrode ;
Y. Tian, M. Shioda, S. Kasahara, T. Okajima, L. Mao,
T. Hisabori and T. Ohsaka,
Biochem. Biophys. Acta, 1569, 151-158 (2002).
|
|
Interferometric Measurement of the Current
Oscillation in the Redox reaction of the O2/O2-
couple at a
HMDE ;
M. S. Saha , T. Okajima
and T. Ohsaka, J. Phys. Chem.B, 106 (17), 4457-4461 (2002).
|
|
Electrochemical Characterization of Catalytic Activities of Manganese Oxides
to Oxygen Reduction in
Alkaline Aqueous Solution ;
L. Mao , T. Sotomura, K. Nakatsu,
N. Koshiba, D. Zhang and T. Ohsaka,
J. Electrochem. Soc., 149 (4),
A504-A507 (2002).
|
|
Analytical Applications of Functionalized Self-assembled Monolayers on Gold
Electrodes: Voltammetric
Sensing of DOPAC at the Physiological Level;
C. R. Raj and T. Ohsaka,
Electroanalysis, 14 (10), 679-683 (2002).
|
|
Electrogeneration of Superoxide
Ion at Polyaniline-modified Electrodes in Aqueous
Media ;
H. Ono, T. Okajima, F. Matsumoto, T. Oritani, T. Shimizu, M. Takahashi and T. Ohsaka,
Electrochemistry, 69 (12), 953-955 (2002).
|
|
Characterization of the Adsorption State of Carbonate Ions at the Au(111)
Electrode Surface Using in situ
IRAS ;
K. Arihara, F. Kitamura, T. Ohsaka and K. Tokuda,
J. Electroanal. Chem., 510, 128-135
(2001).
|
|
Superoxide Ion Sensor ;
T. Ohsaka, Y. Tian, L.
Mao and T. Okajima ,
Anal. Sci., 17, 1379-1381 (2001).
|
|
Electrochemical and in situ FTIR Spectroscopic Investigation on the
Electrochemical Transformation of
4-Aminothiophenol on Gold Electrode in Neutral Solution;
C. R. Raj, F. Kitamura and T. Ohsaka,
Langmuir, 17, 7378-7386 (2001).
|
|
Electrocatalytic Sensing of NADH at an in situ
Functionalized Self-assembled Monolayer on Gold
Electrode;
C. R. Raj and T. Ohsaka,
Electrochem. Commun.,
3, 633-638 (2001).
|
|
Electroanalysis of Peracetic
Acid in the Presence of a Large Excess of Hydrogen Peroxide ;
M. IsmailAwad , C. Harnode, K. Tokuda, and T. Ohsaka,
Anal. Lett., 34(7), 1215-1221 (2001).
|
|
Simultaneous Electroanalysis of Ascorbic Acid, Dihydroxyphenylacetic Acid, Homovanilic
Acid and Uric
Acid Using Gold Electrode Modified with Cationic Self-Assembled Monolayers;
C. R. Raj and T. Ohsaka,
Chem. Lett., 670-671 (2001).
|
|
水銀アドアトム修飾電極上での過酸化水素の還元反応における電気化学振動現象 ;
上杉 慎治, 勝間田 哲朗, 松本 太,
小浦 延幸, 大坂武男,
Electrochemistry, 69 (9), 681-685 (2001).
|
|
Electroanalytical Applications of Cationic
Self-assembled Monolayers: Square-wave Voltammetric
Determination of Dopamine and Ascorbate ;
C. R. Raj, K. Tokuda, and
T. Ohsaka,
Bioelectrochemistry, 53, 183-191 (2001).
|
|
Facilitated Electrochemical Oxidation of NADH and its Model Compound at Gold
Electrode Modified with
Terminally Substituted Electroinactive
Self-Assembled Monolayers;
C. R. Raj and T. Ohsaka,
Bioelectrochemistry, 53, 251-256 (2001).
|
|
Simultaneous Electroanalysis of Peroxyacetic
Acid and Hydrogen Peroxide ;
M. I. Awad , C. Harnode,
K. Tokuda, and T. Ohsaka,
Anal. Chem., 73(8), 1839-1843 (2001).
|
|
Electrochemical Reduction of Molecular Oxygen at Hg Adatom-Modified
Au Electrode ;
F. Matsumoto, S. Uesugi, N. Koura, T. Okajima and T. Ohsaka,
J. Electroanal. Chem., B>505, 150-158
(2001).
|
|
Effect of Adsorbed Anions on the Outer-Sphere Electron- Transfer Reactions of
Cobalt Complexs at
Platinum Single Crystal Electrodes;
N. Wakabayashi, F. Kitamura, T. Ohsaka and K. Tokuda
J. Electroanal. Chem., 499, 161-168
(2001).
|
|
Electroanalysis of Ascorbate
and Dopamine at Gold Electrode Modified with Positively Charged
Self-assembled Monolayer;
C. R. Raj and T. Ohsaka,
J. Electroanal. Chem., 496(1-2), 44-49
(2001).
|
|
Current Oscillation Behavior of O2/O2- Redox Couple
at HMDE in Non-aqueous Aprotic Media;
M. S. Saha, Y. Che, T. Okajima, T. Kiguchi, Y.
Nakamura, K. Tokuda, and T. Ohsaka,
J. Electroanal. Chem., 496(1-2), 61-68
(2001).
|
|
Studies on Active Oxygen Generation by Addition of Reduced Polyaniline;
M. Takahashi, A. Shimizu, T. Karakasa, T. Okajima and N. Kawashima,
Material Technology, 18(8), 317-321 (2001).
|
|
Electrocatalytic Oxidation of NADH at the
Self-Assembled Monolayer of Nickel (II) Macrocycle
on Gold
Electrode;
C. R. Raj, K. V. Gobi and T. Ohsaka,
Bioelectrochemistry, 51, 181-186
(2000).
|
|
Electrochemical Oscillatory Phenomena in the O2/O2-
Redox Reaction on Hg-Coated Gold Electrodes
in Quinoline Media;
J. F. Wu, T. Okajima, K. Tokuda,
and T. Ohsaka,
Electrochemistry, 68, 277-279 (2000).
|
|
Alkanethiol Structure and Supporting Electrolyte
Effects on the Electrochemical and in situ Fourier
Tansform IR Spectral Properties of Asymmetric Alkyl
Viologen on the Electrode Surface;
S. A. John, F. Kitamura. K. Tokuda and T. Ohsaka,
Langmuir, 16, 876-880 (2000).
|
|
Anion
recognition and electrochemical characteristics of the self-assembled
monolayer of nickel(II)
azamacrocyclic complex;
K. V. Gobi and T. Ohsaka,
J. Electroanal. Chem.,
485, 61-70 (2000).
|
|
Can N-Ethyl-N'- OctadecylViolgenDimerize on Octadecanethiol
- Coated Gold Electrode ? ;
S. A. John, F. Kitamura, K. Tokuda and T. Ohsaka,
Electrrochim. Acta.,
45, 4041-4048 (2000).
|
|
Structural Effects on the Electrochemical and Spectroelectrochemical
Properties of Asymmetric
Viologens on Au Electrode Surface;
S. A. John, F. Kitamura, K. Tokuda and T. Ohsaka,
J. Electroanal. Chem., 492, 137-144
(2000).
|
|
Simultaneous Electroanalysis of Peracetica
Acid and Hydrogen Peroxide Using Square-Wave
Voltammetry;
M. I. Awad, C. Harnoode,
K. Tokuda, and T. Ohsaka,
Electrochemistry, 68(11), 895-897 (2000).
|
|
Adsorption structure of the HeptylViologenCation Radical on a
mercury electrode surface: Voltammetric and in situ
Infrared reflection absorption spectroscopic studies; KazukiArihara, Fusao Kitamura, TakeoOhsaka and Koichi Tokuda
J. Electroanal. Chem., 488, 117-124
(2000).
|
|
Electrochemical Oscillatory Phenomena Based on the ElectrogeneratedSuperoxide Ion;
M. S. Saha and T. Ohsaka,
Jpn. J. Deuterium. Sci.,
9, 35-40 (2000).
|
|
Adsorption of atomic hydrogen on a polycrystalline Pt electrode surface studied
by FT-IRAS: the influence
of adsorbed carbon monoxide on the spectral feature;
N. Nanbu, F. Kitamura, T. Ohsaka
and K. Tokuda,
J. Electroanal. Chem., 485,128-134
(2000).
|
|
Electrochemical and EQCM Studies on the Assembly of Asymmetric Viologen on Bare and Alkanethiol
Coated Au Electrodes;
S. A. John and T.Ohsaka,
J. Electroanal. Chem., 477, 52- 61
(1999).
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Voltammetric and Spectroscopic Study of the
Adsorption of Alkyl Viologens on a HOPG Electrode;
K. Arihara, F. Kitamura, K. Nukanobu,
T. Ohsaka, K. Tokuda,
J. Electroanal. Chem., 473, 138-144
(1999).
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Electrochemical Behavior of a CypridinaLuciferin Analogue in Acetonitrile
Solutions in the Presence of
Proton Acceptors;
T. Okajima, K. Tokuda, T.
Ohsaka,
J. Electroanal. Chem., 476, 46-53
(1999).
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Hydrodynamic Chronocoulometric Determination of
Diffusion Coefficients and Concentrations of
Dioxygen in Media Containing Quinoline,
Isoquinoline, and Methyl-quinolines;
J. F. Wu, Y. Che, T. Okajima,
F. Matsumoto, K. Tokuda and T. Ohsaka,
Anal. Chem., 71, 4056-4060 (1999).
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Electroreduction of Oxygen in Quinoline
and Isoquinoline;
J. F. Wu, Y. Che, T. Okajima,
F. Matsumoto, K. Tokuda and T. Ohsaka,
Electrochim. Acta, 45,
987-991 (1999).
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Enhanced Electrostatic Interactions for Selective and Controllable Permeation
of Ionic Species at a
Monolayer of Self-Assembled Dicationic Nickel
Complex;
K. V. Gobi and T. Ohsaka,
J. Electroanal. Chem., 465, 177-186
(1999).
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Interfacial Infrared Reflection Spectroscopic Evidence for
Potential-Dependent Electrocatalytic Activity
of Self-Assembled Monolayers of Nickel(II) Azamacrocyclic Complex toward Hydrogen Peroxide
Oxidation;
K.V.Gobi, F.Kitamura, K.Tokuda and T.Ohsaka,
J. Phys. Chem. B, 103, 83- 88(1999).
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Use of Alkanethiol-Coated Electrodes to Study the
Importance of Water Content on the Electrochemical
Behavior of N-Ethyl-N'- OctadecylViologen on a Gold Electrode Surface;
S.A.John, F.Kitamura, N.Nanbu, K.Tokuda and T.Ohsaka,
Langmuir, 15, 3816- 3822 (1999).
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A Monomer-Dimer Equilibrium in Self-assembled Monolayers of N-Ethyl-N'- OctadecylViologen on the
Electrode Surface.The Influence of Water Content
and Hexafluorophosphate Ion;
S.A.John, T.Okajima and T.Ohsaka,
J. Electroanal. Chem., 466, 67- 74
(1999).
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Electrochemical and Spectroelectrochemical Studies
on Sandwich-type Bis(phthalocyaninato)Lanthanide
Complexes ;
C. Harnoode, K. Takamura,
H. Kubota, K. Sho, K. Fujisawa, F. Kitamura, T. Ohasaka,and K. Tokuda ,
Electrochemistry, 67,832-838,(1999).
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Electrocatalytic Reduction of Dioxygen
by the Assembly of Asymmetric Viologen on Gold
Electrodes ;
S. A. John and T. Ohsaka ,
Jpn. J. Deuterium Sci,
8,17-23,(1999).
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Adsorption of Pyridine on a Polycrystalline Gold Electrode Surface Studied by
Infrared Reflection
Absorption Spectroscopy ; NoritoshiNanbu, Fusao Kitamura, TakeoOhsaka, Koichi Tokuda,
J. Electroanal. Chem., 470,136-143(1999).
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Simultaneous Detection of Ascorbic Acid and Dopamine at Gold Electrode
Modified with a
self-Assembled Monolayer of Cystamine;
C. R. Raj and T. Ohsaka,
Electrochemistry, 67, 1175-1177 (1999).
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Effect of Anions on the Kinetics of Tris(1,10-phenanthroline)cobalt(II)/(III)
Redox-Electrode Reaction on
a Platinum (111) Single Crystal Electrode;
N. Wakabayashi, F. Kitamura, T. Ohsaka, and K. Tokuda,
Electrochemistry, 67, 1181-1183 (1999).
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Adsorption Behavior of Pyridinecarboxylic Acids in
Acidic Solution on a Polycrystalline Gold Electrode
Surface Studied by Infrared Reflection Absorption Spectroscopy;
N. Nanbu, F. Kitamura, T. Ohsaka,
and K. Tokuda,
Electrochemistry, 67, 1165-1167 (1999).
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Stabilization of the Assemblies of Short Alkyl Chain Asymmetric Viologens on Alkanethiol-Coated
Electrodes;
S. A. John, T. Ohsaka,
Electrochim. Acta., 45,
1127-1133 (1999).
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In situ IR Spectroscopic Study of Water at a Polycrystalline Gold Electrode
Surface;
F. Kitamura, N. Nanbu, T. Ohsaka
and K. Tokuda,
J. Electroanal. Chem., 452, 241-249
(1998).
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Electrochemical Characteristics of Self- Assembled Monolayers
of a Novel Nickel(II)
Pentaazamacrocyclic Complex on a Gold Electrode;
K.V.Gobi, T.Okajima, K.Tokuda and T.Ohsaka,
Langmuir, 14(5), 1108- 1115 (1998).
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Monomolecular Films of a Nickel(II) Pentaazamacrocyclic
Complex for the Electrocatalytic Oxidation of
Hydrogen Peroxide at Gold Electrodes;
K.V.Gobi, K.Tokuda and T.Ohsaka,
J. Electroanal. Chem., 444, 145- 150
(1998).
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Solvatochromic Linear Solvation
Energy Relationships for Solubility of O2 in Various Solvents;
Y.Che, K.Tokuda and T.Ohsaka,
Bull. Chem. Soc. Jpn., 71, 651- 656
(1998).
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Electrochemical and Spectral Properties of Novel Dinickel(II)
and Dicopper(II) Complexes with N,N-
linked Bis(pentaazacyclotetradecane);
K.V.Gobi and T.Ohsaka,
Electrochim. Acta, 44,
269- 278 (1998).
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New Oscillatory Phenomena in the Redox Reaction of
O2/O2- Couple on a Hanging Mercury Drop
Electrode in Acetone Media;
Y.Che, T.Okajima, Y.Nakamura, K.Tokuda and T.Ohsaka,
Chem. Lett., 97- 98 (1998).
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Electrochemical and Spectroscopic Studies on Nickel(II/III) Complexes with
Novel 14- Membered HexaazaMacrocycle
Functionalized with Propenyl Groups;
K.V.Gobi, K.Tokuda and T.Ohsaka,
Electrochim. Acta, 43(9),
1013- 1021 (1998).
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Reaction Mechanism and Kinetics of Alcohol Oxidation at Nitroxyl
Radical Modified Electrodes;
S.Kishioka, S.Ohki, T.Ohsaka and K.Tokuda,
J. Electroanal. Chem., 452, 179- 186
(1998).
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Normal Pulse Voltammetry for Facilitated Ion Transfer Processes across Two
Immiscible Liquid- Liquid
Interfaces;
Y. B.Liao, M.Okuwaki, F.Kitamura, T.Ohsaka and K.Tokuda,
Electrochim. Acta, 44,
117- 124 (1998).
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Microelectrodes with Leak of Solution;
K. Yamada, F. Kitamura, T. Ohsaka and K. Tokuda,
Electrochemistry, 66(3), 321-325 (1998).
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SpectroelectrochemicalDetetion
of an Intermediate in the Alcohol Oxidation Process with a Nitroxyl
Radicals ;
S. Kishioka, T. Ohsaka
and K. Tokuda,
Chem. Lett., 341-344 (1998).
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Infrared Spectroscopic Observation of Water at a Gold Electrode/Aqueous Perchlorate Solution Interface;
F. Kitamura, T. Ohsaka and K. Tokuda,
Electrochim. Acta.,
42, 1235-1238 (1997).
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Electrochemical Study on Monomer/ DimerEquilibria of a Series of Asymmetric ViologenMonolayers on
the Electrode Surface in the Presence of Hexafluorophosphate
Ion;
S.A.John, H.Kasahara, T.Okajima, K.Tokuda and T.Ohsaka,
J. Electroanal. Chem., 436(1/2), 267-
270 (1997).
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Electrocatalytic Reduction of Dioxygen in the Precence of N,N' - Dipentyl
Viologen;
M. -K. Oh, T.Okajima, F. Kitamura, C.- W. Lee, K. Tokuda and T. Ohsaka,
Chem. Lett., 1997, 67-68 (1997).
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Solcatochromic Linear Solcation Energy Relationship for Solubility of O2
in Various Media Containing
Tertaethylammonium Perchlorate;
Y. Che, M. Tsushima, T. Okajima, K. Kitamura and T. Ohsaka,
Anal. Sci., 13,1039-1042 (1997).
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Voltammetric Behavior of Self - Assembled Monolayers of Novel Nickel (U/ V)
Pentaazamacrocyclic
Complex on Gold Electrode and Electrocatalytic Oxidation of Hydrogen
Peroxide;
K. Vengatajalabathy Gobi, K. Tokuda and T. Ohsaka,
J. Electrochem. Soc. Jpn. (Denki Kagaku), 65 (6), 498-500
(1997).
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Infrared Spectroscopic Observation of Water at a Polycrystalline Gold
Electrode/Aqueous Halide Solution
Interface;
F. Kitamura, T. Ohsaka and K. Tokuda,
J. Electroanal. Chem., 412, 183-188
(1996).
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Water- Induced Disproportionation of Superoxide Ion
in Aprotic Solvents;
Y.Che, M.Tsushima, F.Matsumoto, T.Okajima, K.Tokuda and T.Ohsaka,
J. Phys. Chem., 100(51), 20134- 20137 (1996).
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Electrogeneration of Superoxide
Ion at Mercury Electrodes with a Hydrophobic Adsorption Film in
Aqueous Media;
F.Matsumoto, K.Tokuda and
T.Ohsaka,
Electroanalysis, 8(7), 648- 653(1996).
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Chemiluminescence of a CypridinaLuciferin Analogue by ElectrogeneratedSuperoxide Ion;
T.Okajima, K.Tokuda and T.Ohsaka,
Bioelectrochem. & Bioenerg.,
41(2), 205- 208 (1996).
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Relationship between the Skew Angle and Interplanar Distance in Four Bis
(phthalocyaninato) Santhanide
(V) Tetrabutylammonium Salts
([NBun4][LnVPc2];
Ln = Nd, Gd, Ho, Lu );
N. Koike, H. Vekusa, Y. Ohashi, C. Harnoode, F. Kitamura, T. Ohsaka and K.
Tokuda,
Inorg. Chem., 35 (20), 5798-5804 (1996).
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Electrogeneration of Superoxide Ion at α-
Quinoline - Adsorbed Mercury electrode in Alkaline Aqueous
Solution;
T. Matsumoto, K. Tokuda and T. Ohsaka,
J. Deuterium Sci., 5 (1), 23 - 30 (1996).
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Chemiluminescence of a Cypridina Luciferin Analogue by Electrogenerated
Superoxide Ion in the
Presence of a Lipophilic Ascorbic Acid Dericative;
T. Okajima, K. Tokuda and T. Ohsaka,
J. Electrochem. Soc. Jpn (Denki Kagaku), 64 (12),1276 - 1279
(1996).
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Response Time of Thin - Layer Electrolytic Cells to Potential - Step Signals;
K. Yamada, F, Kitamura, T. Ohsaka and K. Tokuda,
J. Electrochem. Soc., 143 (12),4006 - 4012 (1996).
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Observation of Intermolecular Charge - Transfer Spectra for Propyl Viologen
Dihalides in a Series of
Polyether Media;
H. Satoh, K. Tokuda and T. Ohsaka
Chem. Lett., 1996, 51 - 52(1996).
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Coupling between Electron and Mass Transfer Kinetics in Electroactive Polymer
Films- An Application of
In Situ Quartz Crystal Electrode;
N.Oyama and T.Ohsaka
Progress in Polym. Sci., 20(5), 761- 818(1995).
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Mediated Electron Transfer of Polyethylene Oxide- Modified SuperoxideDismutase by Methyl Viologen;
T.Ohsaka, Y.Shintani, F.Matsumoto, T.Okajima and K.Tokuda,
Bioelectrochem. & Bioenerg.,
37, 73- 76(1995).
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Use of Hydrodynamic Chronocoulometry for Simultaneous
Determination of Diffusion Coefficients and
Concentrations of Dioxygen in Various Media;
M.Tsushima, K.Tokuda and T.Ohsaka,
Anal. Chem., 66, 4551- 4556(1994).
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Electrogeneration of Superoxide Ion on Thiophenol - Modified Gold Electrode
in Aqueous Solution,;
F. Matsumoto, K. Tokuda and T. Ohsaka,
J. Electrochem. Soc. Jpn (Denki Kagaku), 63, No.12, 1205 -
1208(1995).
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AC Voltammetry at Microcylinder Electrodes;
K. Tokuda, F. Kitamura, A. Kumagai and T. Ohsaka,
J. Electroanal. Chem., 396, 365 - 370(1995).
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