[Pain treatment after anal operation].
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Analgesia↗
Biomedical subjects
K Okubo
Publications and source records attributed to K Okubo.
[Case of early cancer of the sigmoid colon].
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Adenocarcinoma↗
A kinetic study on the homogeneous liquid-phase oxidation of cumene in the presence of triphenylsulfonium chloride.
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Absorption↗
[Capaurimine and related compounds. 3. Synthesis of dl-5,6,13,13a-tetrahydro-1,2,3,10,11-pentamethoxy-8H-dibenzo[a,g]quinolizine and dl-5,6,13,13a-tetrahydro-2,3,10,11,12-pentamethoxy-8H-dibenzo[a,g]quinolizine (studies on the syntheses of heterocyclic compounds. 286)].
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Quinolizines↗
[Syntheses of 1-substituted isoquinoline and 1,4-benzoxazepine derivatives by pomeranz-fritsch reaction (studies on the syntheses of heterocyclic compounds. CCCXX].
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Heterocyclic Compounds↗
Postural effect on regional ventilation.
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Adolescent↗
[Quantitative determination of human serum proteins using immunodiffusion plates. II. Evaluation of normal values of alpha 1-antitrypsin, haptoglobin and alpha 2-macroglobulin].
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Adult↗
[Case of non-familial digestive polyposis with skin symptoms (case of so-called Cronkhite-Canada syndrome)].
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Adult↗
Pulmonary function tests in lung cancer cases before and after treatment.
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Adult↗
Electrolytic oxidation. I. Phenolic oxidation of p-cresol by electrolysis (Studies on the syntheses of heterocyclic compounds. CCXXXVII.
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Cresols↗
Effects of chondroitin sulfates on serum lipids and hexosamines in atherosclerotic patients: with special reference to thrombus formation time.
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Adult↗
Postural effect on the distribution of the pulmonary arterial blood flow.
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Adolescent↗
[The structure of sendaverine and its total synthesis].
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Alkaloids↗
[Studies on the syntheses of heterocyclic compounds. CLXXVII. Synthesis of sendaverine derivatives and investigation of their IR and NMR spectra].
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Heterocyclic Compounds↗
Epidemiological survey by means of complement fixation test on scrub typhus in Japan.
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Animals↗
[Single half sinus wave apparatus].
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Dentistry↗
[Evaluation of the indication of carcinostatic agents and prediction of their adverse effects].
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Animals↗
Mechanism of catechin chemiluminescence in the presence of active oxygen.
The photon emission (chemiluminescence; CL) of catechin in the presence of active oxygen species (hydrogen peroxide, hydroxyl radical tert-butyl hydroperoxide and tert-butyl oxyl radical) and acetaldehyde was confirmed to occur non-enzymatically at room temperature in aqueous neutral conditions. The CL intensity [P] in the presence of active oxygen species (X), catalytic species (Y) and receptors (Z) is predicted by [P] = k [X] [Y] [Z]. The calculated photon constants (k) of 8 catechins and gallic acid were 8.23 x 10(6) M-2 s-1 counts ((-)-epigallocatechin), 2.78 x 10(8) ((-)-epigallocatechin gallate), 4.66 x 10(5) ((-)-gallocatechin gallate), 4.36 x 10(5) ((-)-gallocatechin), 2.70 x 10(5) ((-)-epicatechin), 6.44 x 10(4) ((-)-catechin), 585 x 10(4) ((-)-epicatechin gallate), 4.78 x 10(4) (gallic acid) and 3.54 x 10(4) ((-)-catechin gallate), respectively. The system of active oxygen species, catalytic species and receptors is proposed to be a scavenging mechanism for active oxygen species. In the presence of acetaldehyde, (-)-epigallocatechin (maximum k value among catechins tested) reacted with tert-BuOOH to form tert-BuOH as determined by HPLC analysis.
Catechin↗