نتایج جستجو برای: deoxyribose
تعداد نتایج: 816 فیلتر نتایج به سال:
The biosynthesis of deoxyribose, in vivo, was studied with NaHIIC03 as a tracer, in normal adult, starved adult, normal newborn, "thiamine-deficient" adult and " tumor bearing" rats and in Yoshida ascites-tumor cells. Comparisons of the tracer patterns in ribose and deoxyribose isolated from the nucleic acids of skin and liver suggest that in young tissues the formation of deoxyribose may occur...
A manual procedure for measuring sialic acids in blood and tissue and an automated procedure for measuring sialic acids in blood have been combined and modified so that sialic acid concentrations in both blood and tissue can be determined by continuous-flow analysis. Because 2-deoxyribose interferes with tissue sialic acid determinations, there must be a correction for color produced by it. In ...
The essential oils of branchlets and fruits of Juniperus excelsa subsp. excelsa and Juniperus excelsa subsp. polycarpos were examined for their antioxidant activity. The compositions of the essential oils were studied by GC and GC-MS. To evaluation the antioxidants activity of the volatile oils, pure components and positive controls at different concentrations, thin-layer chromatography (TLC) s...
We previously suggested that the ability to metabolize deoxyribose, a phenotype encoded by the deoK operon, is associated with the pathogenic potential of Escherichia coli strains. Carbohydrate metabolism is thought to provide the nutritional support required for E. coli to colonize the intestine. We therefore investigated the role of deoxyribose catabolism in the colonization of the gut, which...
The requirement for net synthesis of deoxyribonucleic acid in a growing tissue, normal or malignant, is well established. The synthetic pathways of the purine and pyrimidine moieties of nucleic acids have been largely elucidated, but most of the available data are concerned with ribonucleic acid synthesis. The metabolic origin of the deoxyribose moiety of DNA1 is, however, not clearly establish...
The activity and properties of deoxyribose phosphate aldolase from Escherichia coli and Lactobacillus plantarum have been described in detail by Racker (1) and Pricer and Horecker (2). The enzyme from E. coli was shown to be active at pH values between 6.0 and 8.0 in tris(hydroxymethyl)aminomethane and phosphate buffers without exhibiting a sharp optimum (1). The enzyme from L. plunturum was sh...
Epimeric 2-Deoxyribose Lesions: Products from the Improper Chemical Repair of 2-Deoxyribose Radicals
the essential oils of branchlets and fruits of juniperus excelsa subsp. excelsa and juniperus excelsa subsp. polycarpos were examined for their antioxidant activity. the compositions of the essential oils were studied by gc and gc-ms. to evaluation the antioxidants activity of the volatile oils, pure components and positive controls at different concentrations, thin-layer chromatography (tlc) s...
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