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Dive into the research topics where Zenzo Tamura is active.

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Featured researches published by Zenzo Tamura.


Acta Crystallographica Section C-crystal Structure Communications | 1997

Disodium fluorescein octahydrate

Kentaro Yamaguchi; Zenzo Tamura; Masako Maeda

The molecular structure of disodium fluorescein octahydrate, 2Na+.C20H10O52−.8H2O, exhibits a quinonoid form [sodium 2-(3-oxo-6-sodioxy-3H-xanthen-9-yl)benzoate]. The crystal includes eight water molecules in an asymmetric unit in the cell. Two Na—O(hydroxy) distances are 2.568 (4) (Na2—O2) and 2.343 (3) A (Na1—O4).


Chemical & Pharmaceutical Bulletin | 1958

Detoxication and excretion of radioactive strontium. II. Effect of several organic acids having chelating ability.

Yosoji Ito; Susumu Tsurufuji; Eiichi Murai; Sadahiko Ishibashi; Morizo Ishidate; Zenzo Tamura

Effect of tricarballylate, citraconate, tartrate, lactate, and citrate, which are able to form chelating complex with strontium, on the distribution of parenterally administered radioactive strontium was examined, and it was indicated that all of these organic acids markedly decreased skeletal depostion of radiostrontium and four acids other than citrate markedly increased radiostrontium in the blood serum and soft tissues.


Analytical Chemistry | 1981

Fluorometric determination of thiols by liquid chromatography with postcolumn derivatization

Hiroshi Nakamura; Zenzo Tamura


Chemical & Pharmaceutical Bulletin | 1980

Studies on the Metabolites of Fluorescein in Rabbit and Human Urine

Shengchih Chen; Hiroshi Nakamura; Zenzo Tamura


Analytical Chemistry | 1975

Spectrophotometric determination of carboxylic acids by the formation of hydroxamic acids with dicyclohexylcarbodiimide

Yasuhiko Kasai; Takenori Tanimura; Zenzo Tamura


Analytical Chemistry | 1980

Fluorometric determination of secondary amines based on their reaction with fluorescamine

Hiroshi Nakamura; Zenzo Tamura


Analytical Sciences | 1996

Spectrophotometric analysis of the relationship between dissociation and coloration, and of the structural formulas of phenolphthalein in aqueous solution

Zenzo Tamura; Seiji Abe; Katsutoshi Ito; Masako Maeda


Analytical Chemistry | 1982

Simultaneous Fluorometric Determination of Thiols and Disulfides by Liquid Chromatography with Modified Postcolumn Derivatization

Hiroshi Nakamura; Zenzo Tamura


Chemical & Pharmaceutical Bulletin | 1970

The Presence of Conjugated Dopamine in Normal Human Plasma

Kazuhiro Imai; Mototaka Sugiura; Zenzo Tamura


Analytical Chemistry | 1978

Fluorometric assay of .alpha.-methylene carbonyl compounds with N1-methylnicotinamide chloride

Hiroshi Nakamura; Zenzo Tamura

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