H. Wada

发表

Evaluation of PAC, TAC, 2-IAC as Metallochromic Indicators in the EDTA Titrations of Nickel

H. Wada, O. Nakazawa, H. Takada, 1977 .

Sulfonated 1-(2-pyridylazo)-2-naphthols and 2-(2-pyridylazo)-1-naphthols as spectrophotometric reagents

H. Wada, G. Nakagawa, K. Ohshita, 1982 .

Effects of manifold components on peak profiles in flow-injection analysis

H. Wada, G. Nakagawa, Y. Sawa, 1989 .

Adsorption mechanism of trivalent metal ions on chelating resins containing iminodiacetic Acid groups with reference to selectivity.

A. Yuchi, H. Wada, Y. Morimoto, 1997, Analytical chemistry.

Isolation of large peptides by flat-bed polyacrylamide gel electrophoresis.

H. Wada, E. Snell, 1972, Analytical biochemistry.

Masking of zirconium(IV) in the determination of fluoride with an ion-selective electrode: application to zirconium(IV) fluoride-based glasses

A. Yuchi, H. Wada, G. Nakagawa, 1991 .

PRESSURIZED FLOW DRIVEN ELECTROCHROMATOGRAPHY USING FLUORINATED-BONDED SILICA

T. Tsuda, H. Wada, S. Kitagawa, 1999 .

Enzymatic transamination of pyridoxamine. I. With oxaloacetate and alpha-ketoglutarate.

H. Wada, E. Snell, 1962, The Journal of biological chemistry.

High-performance liquid chromatographic determination of plasma and brain histamine without previous purification of biological samples: cation-exchange chromatography coupled with post-column derivatization fluorometry.

H. Wada, A. Yamatodani, T. Watanabe, 1985, Journal of chromatography.

A Novel Stability Sequence of Lanthanoid Complexes with 1,2-Bis(o-aminophenoxy)ethane-N,N,N,N-tetraacetic Acid

A. Yuchi, H. Wada, M. Hirai, 1990 .

Effects of a novel acylindole derivative on experimental thrombotic models, ulceration of the gastric mucosa and prostacyclin production in the aorta.

S. Kurozumi, H. Wada, K. Hoshina, 1981, Thrombosis research.

Complexation equilibria and fluorescent properties of chelating reagents derived from ethylene glycol bis(β-aminoethylether)-N,N,N',N'-tetraacetic acid

T. Yasui, A. Yuchi, H. Wada, 1993 .

Equilibrium and X-Ray Structural Studies on Dimeric and Trimeric Species Formed in the Extraction of Nickel(II) with 2-Methyl-8-quinolinol

H. Murakami, A. Yuchi, H. Wada, 1992 .

X-Ray Crystal Structures of Nickel Complexes with 2-Methyl-8-quinolinol, Ni(mq)2(H2O)2 and Na3Ni3H6(mq)15·H2O

H. Murakami, A. Yuchi, H. Wada, 1990 .

Use of the Copper(II)-Selective Electrode for the Determination of the Stability Constants of Copper(II) Complexes

H. Wada, G. Nakagawa, Tomohiko Hayakawa, 1975 .

X-Ray Crystal Structure of Silver(I) Complex with 1,3-Bis(8-quinolylthio)propane

A. Yuchi, H. Wada, M. Shiro, 1992 .

X-Ray Crystal Structures of Ti(IV)-4,4′-Methylenebis(antipyrine) Complexes, [Ti(dam)3](ClO4)4. Formation of Eight-Membered Chelate Rings and Aromatic Ring Stacking Responsible for Characteristic Coloration

A. Yuchi, H. Wada, M. Shiro, 1991 .

Adsorption and concentration of silver ion with polymer-supported polythiazaalkane resins

M. Koike, Junichi Ishikawa, H. Wada, 2003 .

Equilibrium studies on the species formed in the extraction of divalent transition metal ions with 8-quinolinethiol and its 2-methyl derivative

A. Yuchi, H. Wada, G. Nakagawa, 1987 .

Equilibrium and Structural Studies on the Species Formed in the Extraction of Divalent Transition Metal Ions with 8-Quinolinol

A. Yuchi, H. Wada, M. Shiro, 1986 .

Comparison of 1-Octanol with Benzene in the Extraction of Copper(II) with Various Phenylcarboxylic Acids

H. Wada, H. Yamada, Shinsuke Yamada, 1999 .

Effect of phenyl substituent on the dimerization of copper(II)-carboxylate in solvent extraction of copper(II) with phenylacetic acid.

H. Wada, Y. Taguchi, H. Yamada, 1994, Talanta.

Effects of solvation on partition and dimerization of benzoic acid in mixed solvent systems.

H. Wada, H. Yamada, K. Yajima, 1995, Talanta.

ESTIMATION OF HYDROPHOBICITY USING QUASI-MOLECULAR VOLUME OF QUATERNARY AMMONIUM IONS

T. Tsuda, H. Wada, S. Hayashi, 2000 .

Complexes of Hard Metal Ions with Amine-N-polycarboxylates as Fluoride Receptors

A. Yuchi, H. Wada, Norihisa Hokari, 1996 .

Synthesis of 2-[2-(4-methylquinolyl)azo]-5-diethylaminophenol and its use for the spectrophotometric determination of nickel

A. Yuchi, H. Wada, G. Nakagawa, 1993 .

Highly silver ion selective fluorescence ionophore: fluorescent properties of polythiazaalkane derivatives bearing 8-(7-hydroxy-4-methyl)coumarinyl moiety in aqueous solution and in liquid-liquid extraction systems.

Junichi Ishikawa, H. Wada, H. Sakamoto, 2010, The Analyst.

Retention behaviour of metal chelates in ion-pair reversed-phase liquid chromatography as a function of mobile phase composition with methanol-water and acetonitrile-water mobile phases

H. Wada, G. Nakagawa, Chizuko Ohtsuka, 1994 .

Characterization of 2-(2-pyridylazo)-5-[N-(sulphoalkyl)amino]phenol derivatives as the precolumn chelating agent for trace metal determination by ion-pair reversed-phase liquid chromatography with spectrophotometric detection

H. Wada, G. Nakagawa, Chizuko Ohtsuka, 1992 .

Chromatographic behaviour of 2-(2-pyridylazo)-5-[N-(sulphoalkyl)amino]phenol chelates on hydrophobic stationary phases

H. Wada, G. Nakagawa, Chizuko Ohtsuka, 1991 .

Direct evidence for two interaction modes in adsorption of divalent metal ions to iminodiacetate-type chelating resins.

A. Yuchi, H. Wada, H. Yamada, 2002, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

Peak Splitting for Co(III) and Al(III) Complexes in High Performance Liquid Chromatography by Linkage Isomerism of Unsymmetric o,o'-Dihydroxyazobenzene Derivatives.

A. Yuchi, H. Wada, G. Nakagawa, 1991 .

2-(2-thiazolylazo)-4-methyl-5-(sulfomethylamino)benzoic acid as a reagent for the spectrophotometric determination of cobalt

H. Wada, G. Nakagawa, T. Ishizuki, 1982 .

Use of a Silver Ion Selective Electrode for the Determination of Stability Constants of Metal Complexes

A. Yuchi, H. Wada, G. Nakagawa, 1985 .

Some o-(2-Thiazolylazo)--phenol Derivatives as Metal Indicator for Nickel

H. Wada, G. Nakagawa, 1964 .

Separation and simultaneous determination of cobalt, nickel and copper with 2-(4-methyl-2-quinolylazo)-5-diethylaminophenol by reversed-phase high-performance liquid chromatography.

H. Niwa, T. Yasui, A. Yuchi, 1997, Talanta.

Use of 2-quinolylazo compounds for the reversed-phase high-performance liquid chromatographic separation of metal ions

H. Niwa, T. Yasui, A. Yuchi, 1997 .

Synthesis of N-sulfoalkyl derivatives of 2-(2-pyridylazo)-5-aminophenol and the spectrophotometric determination of uranium(IV)

H. Wada, G. Nakagawa, K. Ohshita, 1983 .

The Selective Chelatometry of Calcium in the Presence of Magnesium with Ethylene Glycol-bis(β-aminoethyl ether)-N,N,N′,N′-tetraacetic Acid

H. Wada, Motoharu Tanaka, G. Nakagawa, 1963 .

Effects of auxiliary complex-forming agents on the rate of metallochromic indicator colour change--II: mechanism of the colour change of pan in copper-EDTA titrations.

H. Wada, G. Nakagawa, 1975, Talanta.

Effects of auxiliary complex-forming agents on the rate of metallochromic indicator colour change.

H. Wada, G. Nakagawa, 1973, Talanta.

Spectrophotometric determination of traces of iron with 2-(3,5-dibromo-2-pyridylazo)-5-[N-ethyl-N-(3-sulfopropyl)amino]phenol and its application in flow injection analysis

H. Wada, G. Nakagawa, K. Ohshita, 1983 .

Redox Potentials of Cobalt (III/II) Complexes with Sulfonated Heterocyclic Azo Compounds

A. Yuchi, H. Wada, T. Ishizuki, 1993 .

Mixed ligand complexes of trivalent metal ions with an amine-N-polycarboxylate and fluoride

A. Yuchi, H. Wada, H. Hotta, 1987 .

Utility of Phenylacetic Acid as an Extracting Agent for Aluminum(III), Gallium(III) and Indium(III)

H. Wada, H. Yamada, Y. Taguchi, 1997 .

Separation and determination of trace of nickel in cobalt:Application of the solvent extraction with high molecular weight amines

H. Wada, G. Nakagawa, T. Dono, 1962 .

Quantitative treatment of exchange equilibria involving complexans—III: chelatometric determination of calcium in presence of magnesium with EGTA

H. Wada, Motoharu Tanaka, G. Nakagawa, 1963 .

Electric Resistance Variation of Packing Materials in Capillary Electrochromatography by Using Fluorinated-Bonded Silica and Octadecylsilane Phases

T. Tsuda, H. Wada, S. Kitagawa, 2000 .

Spectrophotometric determination of silver with 4-(3,5-dibromo-2-pyridylazo)-N,N-diethylaniline in the presence of sodium dodecylsulfate

H. Wada, K. Ohshita, G. Nakasawa, 1986 .

Sample dispersion with chemical reaction in a flow-injection system

A. Yuchi, H. Wada, G. Nakagawa, 1986 .

Simple method for the simultaneous determination of noradrenaline, dopamine and serotonin by stepwise elution from a short column of weak cation-exchange resin.

H. Wada, A. Yamatodani, T. Watanabe, 1979, Journal of chromatography.

Enzymatic transamination of pyridoxamine. II. Crystalline pyridoxamine-pyruvate transaminase.

H. Wada, E. Snell, 1962, The Journal of biological chemistry.

Spectrophotometric determination of fluoride with lanthanum/alizarin complexone by flow injection analysis

H. Wada, H. Mori, G. Nakagawa, 1985 .

The enzymatic oxidation of pyridoxine and pyridoxamine phosphates.

H. Wada, H WADA, E E SNELL, 1961, The Journal of biological chemistry.

Effects of pH on allosteric and catalytic properties of the guanosine cyclic 3',5'-phosphate stimulated cyclic nucleotide phosphodiesterase from calf liver.

J. C. Osborne, V. Manganiello, H. Wada, 1987, Biochemistry.

Substrate Properties of Adenosine- and Uridine- 3′, 5′-bisphenylphosphonates for 3′-Nucleotidase/Nucleases

H. Wada, A. Nomura, H. Uchida, 1996 .

Chromatographic separation of catecholamines on a weakly acidic ion-exchange resin.

H. Wada, T. Seki, 1975, Journal of chromatography.

Chromatographic separation of dansyl amino acids and dansyl amines on amberlite IRC-50.

H. Wada, T. Seki, 1974, Journal of chromatography.

Mixed Ligand Complexes of Copper(II)-1-(2-Pyridylazo)-2-naphthol with Bidentate Ligands

K. Ikuta, H. Wada, G. Nakagawa, 1978 .

Semi-Xylenol Orange complex of zirconium(IV) as a photometric reagent system for fluoride based on mixed ligand complex formation

A. Yuchi, H. Wada, G. Nakagawa, 1993 .

Equilibrium study on the characteristic color-changing reaction of lanthanum complex of 3-[[bis(carboxymethyl)amino]-methyl]-1,2-dihydroxyanthraquinone (alizarin complexon) with fluoride ion.

A. Yuchi, H. Wada, H. Mori, 1988 .

Separation and preconcentration of fluoride at the ng ml−1 level with a polymer complex of zirconium(IV) followed by potentiometric determination in a flow system

T. Niwa, A. Yuchi, H. Wada, 1999 .

Tiron as a masking reagent for aluminium in the determination of fluoride with an ion-selective electrode: equilibrium studies and application

A. Yuchi, H. Wada, G. Nakagawa, 1988 .

Complexation Equilibria of Cadmium Ions with Xylenol Orange as Studied by Cadmium Ion Selective Electrode

A. Yuchi, H. Wada, G. Nakagawa, 1987 .

Equilibrium study on the masking of aluminium ion in the determination of fluoride with ion-selective electrodes

A. Yuchi, H. Wada, G. Nakagawa, 1986 .

Flow-injection determination of traces of potassium by extraction with bis[2-(5′-bromo-2′-pyridylazo)-5-(N-propyl-N-sulphopropylamino)phenolato]cobaltate(III) and cryptand[2.2.2]

A. Yuchi, H. Wada, H. Yamada, 1993 .

Flow-injection spectrophotometric determination of cadmium with quinolylazo compound after on-line separation using a silica gel column.

A. Yuchi, H. Wada, K. Matsumoto, 1994, Talanta.

Novel instrumentation for determination of ethanol concentrations in human perspiration by gas chromatography and a good interrelationship between ethanol concentrations in sweat and blood

Takao Tsuda, Shinya Kitagawa, K. Naitoh, 1998 .

Spectrophotometric determination of cobalt in steel with 2-(2-thiazolylazo)-4-methyl-5-(sulfomethylamino) benzoic acid (TAMSMB)

H. Wada, H. Kodama, T. Ishizuki, 1983 .

Determination of histamine and methylhistamines by dansylation and its application to biological specimens.

H. Wada, A. Yamatodani, T. Seki, 1977, Journal of chromatography.

Bile acid sulfonate and 7-alkylated bile acid analogs: Effect on intestinal absorption of taurocholate and cholesterol 7α-hydroxylase activity in cultured rat hepatocytes

H. Wada, M. Une, T. Kuramoto, 2000, Steroids.

Reversed-phase ion-pair partition chromatography of iron, cobalt and nickel chelates with 4-hydroxy-3-(2-pyridylazo)naphthalene-1-sulphonic acid

H. Wada, G. Nakagawa, S. Nezu, 1984 .

Synthesis of 2-(2-thiazolylazo)-4-methyl-5-(sulfopropyl-amino) benzoic acid and the application to the flow-injection analysis of copper(II)

H. Wada, T. Ishizuki, G. Nakagawa, 1983 .

Preparation and examination of calcium ion-selective electrodes for flow analysis

H. Wada, S. Ito, Y. Asano, 1988 .

Performances of Lead and Copper(II) Ion-selective Electrodes in Metal Buffer Solutions and the Determination of the Stability Constants of Lead and Copper(II) Complexes

T. Sako, H. Wada, G. Nakagawa, 1980 .

The performance of a cadmium ion-selective electrode in metal buffer solutions and the determination of the stability constants of cadmium complexes

A. Yuchi, H. Wada, G. Nakagawa, 1983 .

Determination of calcium in chlor-alkali brine by flow injection analysis

H. Wada, Y. Deguchi, G. Nakagawa, 1985 .

2-(2-THIAZOLYLAZO)-4-METHYL-5-(SULFOMETHYLAMINO)BENZOIC ACID AS METALLOCHROMIC INDICATOR FOR NICKEL

H. Wada, G. Nakagawa, T. Ishizuki, 1983 .

Determination of formation constants of copper(II) complexes of (hydroxyethylidene)diphosphonic acid with solid state cupric ion-selective electrode

Q. Fernaǹdo, H. Wada, 1971 .

Spectrophotometric determination of magnesium by flow injection analysis with a ligand buffer for masking calcium

A. Yuchi, H. Wada, G. Nakagawa, 1983 .

Synthesis of o,o′-dihydroxyazo compounds and their application to the determination of magnesium and calcium by flow injection analysis

H. Wada, G. Nakagawa, K. Ohshita, 1984 .

Spectrophotometric determination of calcium with a flow injection system

H. Wada, G. Nakagawa, C. Wei, 1983 .

Determination of fluoride in the presence of tetravalent metal ions with an ion-selective electrode: application to raw materials of fluoride glasses

T. Niwa, A. Yuchi, H. Wada, 1995 .

Interaction of methanehydroxyphosphonic acid and ethane-1-hydroxy-1,1-diphosphonic acid with alkali and alkaline earth metal ions

Q. Fernaǹdo, H. Wada, 1972 .

New metallochromic indicators for compleximetric titration of calcium

H. Wada, G. Nakagawa, 1980 .

Preconcentration and determination of calcium and magnesium in brine with flow-injection systems

H. Wada, G. Nakagawa, Heisuke Askura, 1988 .

Synthesis of 2-[2-(8-hydroxyquinolyl)azo]-1-naphthol and its use in the spectrophotometric determination of calcium in potable water

H. Wada, G. Nakagawa, T. Ishizuki, 1985 .

Reversed-phase ion-pair partition liquid chromatography of chelates with 2-(3,5-dibromo-2-pyridylazo)-5-[N-ethyl-N-(3-sulphopropyl) amino] phenol and analogues

H. Wada, G. Nakagawa, T. Ishizuki, 1989 .

Calmagite: The Formation Constants of Zinc(II) Chelates and Its Use as a Metal Indicator

H. Wada, G. Nakagawa, Y. Fujita, 1973 .

Inductively coupled plasma mass spectrometric determination of gold in serum: Comparison with flame and furnace atomic absorption spectrometry

H. Wada, H. Uchida, T. Uchida, 1995 .

Effects of temperature on allosteric and catalytic properties of the cGMP-stimulated cyclic nucleotide phosphodiesterase from calf liver.

J. C. Osborne, V. Manganiello, H. Wada, 1987, The Journal of biological chemistry.

A simple immunological method for differential determination of serum glutamic-oxaloacetic transaminase isoenzymes. (II) Using anti-pig-GOT antibody.

H. Wada, Y. Sawada, H. Teranishi, 1978, Medical journal of Osaka University.

Ion chromatography of alkaline earth and heavy metal ions by on-column derivatization with bisazochromotropic acid

T. Yasui, A. Yuchi, H. Wada, 1993 .

[Antigenicity study of trandolapril (RU44570)].

H. Wada, Y. Yamada, Y. Hongo, 1993, The Journal of toxicological sciences.

Determination of ultratrace metals in biological standards by inductively coupled plasma atomic emission spectrometry with ultrasonic nebulisation

H. Wada, H. Oda, T. Uchida, 1993 .

The chemical structure of tryptophanase from Escherichia coli. II. The structure of tryptophanase monomer.

H. Kagamiyama, H. Matsubara, H. Wada, 1972, The Journal of biological chemistry.

Excellent mercury(II) ion selectivefluoroionophore based on a 3,6,12,15-tetrathia-9-azaheptadecane derivativebearing a nitrobenzoxadiazolyl moiety

Junichi Ishikawa, H. Wada, H. Sakamoto, 2000 .

Flow-injection fluorimetric determination of traces of calcium in brine

H. Wada, G. Nakagawa, Hiromichi Atsumi, 1992 .

A simple immunological method for differential determination of serum glutamic-oxaloacetic transaminase isoenzymes. (I) Using anti-human-GOT antibody.

H. Kagamiyama, H. Wada, H. Ohyanagi, 1978, Medical journal of Osaka University.

Effect of the Chain Length of Carboxylic Acids and Alcohols on the Extraction of Copper(II) with the Acids Using Alcohols as Solvents

H. Wada, H. Yamada, Tetsuyoshi Naito, 2000 .

Analysis of the kinetics of cyclic AMP hydrolysis by the cyclic GMP-stimulated cyclic nucleotide phosphodiesterase.

V. Manganiello, H. Wada, Jr Jc Osborne, 1987, The Journal of biological chemistry.

Evaluation of 1-(2-thiazolylazo)-2-hydroxy-3-naphthoic acid as a metallochromic indicator.

H. Wada, O. Nakazawa, G. Nakagawa, 1974, Talanta.