منابع مشابه
Identification of Reducing Substances in Nephritic Urine
Analytical Methods-The total and non-fermentable reducing substances in the urine were determined by the gasometric methods of Van Slyke and Hawkins (2) and recorded in terms of glucose. Diurnal Excretion of Reducing Xubstances-In the two cases studied the daily amount of fermentable and non-fermentable reducing substances excreted was determined on several successive days. The diurnal excretio...
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Detection of reducing substances in urine has been a standard laboratory procedure for about 50 yr. It is used as a screening test for inborn errors of carbohydrate metabolism. Although the test has poor specificity and most states perform mandatory newborn screening for the common genetic defects, most clinical laboratories still perform this as a reflex test on all pediatric urine samples. We...
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• H. Croxatto et al. have demonstrated that on incubation for 24 hours at 38 C. and pll 3.8 to 4, the serum of each of the animals they studied (including mammals, birds, and amphibia) produced a peptide which causes smooth muscle contraction. This peptitle: lias been named "auephrotonsin.'' Slight pharmacological differences were found among the anephrotensins obtained from the. several types ...
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The rate of hydrolysis of esters in solution is highly dependent on the nature of the alcohols, e.g. hydrolysis of methyl acetate is twice as fast as that of ethyl, n-propyl and n-butyl acetate and six times as fast as that of i8opropyl acetate (Smith & Olsson, 1925). The fact that the different wool esters hydrolyse at approximately the same rate suggests that the rate-controlling step in the ...
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Photosynthetic cytochrome c reduction by isolated chloroplasts is mediated by substances with characteristics of a “Cytochrome c Reducing Substance” (CRS). A water soluble extract of ether treated, lyophilized chloroplasts (called SL-eth), related to the primary acceptor complex of photo system I, has CRS-activity. It contains p-coumaroyl-meso-tartaric acid. By comparison with model substances...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1944
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)72067-x