منابع مشابه
Effects of aliphatic diamines on rat liver ornithine decarboxylase activity.
Rat liver ornithine decarboxylase activity was decreased by administration of putrescine (1,4-diaminobutane) or other diamines, including 1,3-diaminopropane, 1,5-diaminopentane and 1,6-diaminohexane. This effect was seen in control rats and in rats in which hepatic ornithine decarboxylase activity had been increased by administration of growth hormone (somatotropin) or thioacetamide. Loss of ac...
متن کاملEnzymic oxidation of formic acid.
Interest in the metabolic fate of formic acid has been renewed as the result of recent experiments showing active incorporation of carbon-labeled formate into normal body constituents of the pigeon (l-3) and the rat (4, 5). Prior to these findings, enzymes capable of catalyzing the oxidation of formic acid had been reported, widely distributed in plant and animal tissues (6). Only in the case o...
متن کاملSubterminal oxidation of aliphatic hydrocarbons.
Evidence is presented for a catabolic pathway of n-alkane oxidation which proceeds via subterminal oxidation rather than methyl group oxidation.
متن کاملSolution properties and photonuclease activity of cationic bis-porphyrins linked with a series of aliphatic diamines.
The development of efficient photo-induced DNA cleavage agents has been of particular interest for biomedical applications such as cancer photodynamic therapy (PDT). Toward this objective, we synthesized a series of cationic bis-porphyrins with various lengths of diamino alkyl linkage, N,N'-bis[4-[10,15,20-tris(1-methylpyridinium-4-yl)porphyrin-5-yl]benzoyl]oligomethylenediamine hexaiodide. The...
متن کاملXci . the Reversible Enzymic Oxidation of Vitamin C
SOME years ago during the progress of an inquiry on the production of an antiscorbutically active cider from Bramley's Seedling apples it was observed that the juice expressed from the fruit while retaining a very high proportion of its antiscorbutic activity did not reduce indophenol. At that time the writer held the view that the capacity for reducing this indicator was mainly due to a substa...
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ژورنال
عنوان ژورنال: British Journal of Pharmacology and Chemotherapy
سال: 1950
ISSN: 0366-0826
DOI: 10.1111/j.1476-5381.1950.tb00612.x