Results 21 to 30 of about 56 (48)
Research on Xanthurenic Acid. VIII. Interactions between Xanthurenic Acid and Acetone Bodies in Rats
Proceedings of the Japan Academy, 1954 Yahito KOTAKE, Jun'ichi KAMADA
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Vitamin B6 dependent xanthurenic aciduria.
The Tohoku journal of experimental medicine, 1968 K, Tada +4 more
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Acta Crystallographica Section C Crystal Structure Communications, 1996
In the structure of the title compound, 4,8-dihydroxy-2-quinolinecarboxylic acid monohydrate, C 10 H 7 NO 4 .H 2 O, the ionized carboxy group is located in the quinoline ring plane and the N atom of the ring is protonated so that it is positively charged, i.e. the compound may be named 4,8-dihydroxyquinolinium-2-carboxylate monohydrate.
N. Okabe, J. Miura, A. Shimosaki
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In the structure of the title compound, 4,8-dihydroxy-2-quinolinecarboxylic acid monohydrate, C 10 H 7 NO 4 .H 2 O, the ionized carboxy group is located in the quinoline ring plane and the N atom of the ring is protonated so that it is positively charged, i.e. the compound may be named 4,8-dihydroxyquinolinium-2-carboxylate monohydrate.
N. Okabe, J. Miura, A. Shimosaki
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Automatic determination of xanthurenic acid
Analytical Biochemistry, 1966Abstract An automatic method is described for the colorimetric determination of xanthurenic acid in urine which proved effective in an extensive series of analyses. This procedure is definitely superior to the conventional method of colorimetric determination with regard to both accuracy and working speed.
H, Nowak, W F, Körner
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Photochemical Studies on Xanthurenic Acid¶
Photochemistry and Photobiology, 2000The tryptophan metabolite xanthurenic acid (Xan) has been isolated from aged human cataractous lenses. The photophysical properties of Xan were examined to determine if it is a potential chromophore for age-related cataractogenesis. We found that Xan produces singlet oxygen (psi delta = 0.17 in CD3OD) with the same efficiency as the lenticular ...
J E, Roberts +3 more
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Photoinduced tautomeric transformations of xanthurenic acid
Physical Chemistry Chemical Physics, 2010The properties of xanthurenic acid (XAN) in ground and photoexcited states have been studied using steady-state and time-resolved optical methods as well as quantum chemistry calculations. In neutral aqueous solution and in alcohols, XAN is present in a single tautomeric form (keto form), whereas in aprotic solvents and probably in basic aqueous ...
Yanshole, V. +8 more
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Investigation of diabetogenic action of xanthurenic acid
Bulletin of Experimental Biology and Medicine, 1997Repeated administration of xanthurenic acid to experimental animals completely eliminates insulin stores in pancreatic B cells and attenuates normalization of blood glucose level in the glucose tolerance test. Xanthurenic acid inhibits insulin secretion by isolated pancreatic islets and decreases zinc-specific luminescent reaction in B cells.
G G, Meíramov +2 more
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1994
Prof. H. Tornita of the Department of Otorhinolaryngology, Nihon University, has been carrying out experiments to determine the relationship between Zn2+ and taste abnormality in diabetes mellitus. Normal taste capacity was recovered by the administration of ZnSO4 to these patients. K.
Yukio Shibata +3 more
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Prof. H. Tornita of the Department of Otorhinolaryngology, Nihon University, has been carrying out experiments to determine the relationship between Zn2+ and taste abnormality in diabetes mellitus. Normal taste capacity was recovered by the administration of ZnSO4 to these patients. K.
Yukio Shibata +3 more
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STUDIES ON XANTHURENIC ACID. I
The Journal of Biochemistry, 1953YAHITO KOTAKE, TOSHIRO INADA
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