منابع مشابه
Studies on Blood Cell Metabolism
1. The respiratory metabolism of non-nucleated mammalian erythrocytes is enormously accelerated and approaches the magnitude of the metabolism of the nucleated erythrocytes of birds on the addition of methylene blue (and certain other dyes), to a final concentration of 0.005-0.0005 per cent. 2. In the presence of methylene blue the respiration is accelerated even when M/1000 KCN is also present...
متن کاملStudies on Cell Metabolism and Cell Division
1. Under the present conditions of experiment, Arbacia eggs were found to contain an average of 110 mg. of acid-hydrolyzable carbohydrate (calculated as glucose) per gm. of egg protein. This carbohydrate was almost all in the egg proper, little or none being found in the jelly. To permit conversion of the data to other bases of reference the relation of nitrogen content to wet and dry weight an...
متن کاملStudies on Calciferol Metabolism
The administration of cholecalciferol (vitamin D3) (CC) to rachitic chicks results in the production of two major polar metabolites, 25-hydroxycholecalciferol (25-OH-CC) and 1,25-dihydroxycholecalciferol (1,25-diOH-CC), and a number of other minor metabolites. Eighteen hours after a physiological dose (0.65 mnoles) of radioactive cholecalciferol, 80% of the radioactivity in the target intestine...
متن کاملStudies on Testosterone Metabolism
Testosterone glucuronide (unlabeled and labeled) was synthesized and injected into three normal men, one pregnant woman, and one child. In addition to testosterone glucuronide itself, several urinary metabolites were isolated. Only 5&androstane steroids were obtained. More 5/!Landrostane-3or, 17/3-diol than Sfl-androsterone was found. Meanwhile, a testosterone tracer gave Sa-metabolites, and mo...
متن کاملStudies on Yeast Metabolism
Direct measurement ofthe metabolic changes in the intracellular carbohydrate ofyeast has usually been restricted to the determination oftotal hydrolysable carbohydrate, that is to say, ofreducing power after acid hydrolysis of a cell suspension. The work of Pickett & Clifton (1943), or of Fales & Baumberger (1948), exemplifies this technique applied respectively to the aerobic and anaerobic met...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1929
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)77044-0