نتایج جستجو برای: d galactose
تعداد نتایج: 584835 فیلتر نتایج به سال:
The deacylation of glucose, galactose and mannose pentaacetates, galactose and mannose penta(3-bromo)benzoates, as well as the dealkylation of 2,3,4,6-tetra-O-acetyl and 2,3,4,6-tetra-O-(3-bromo)benzoyl methyl alpha-D-glucopyranosides have been studied. In addition, a computational study on the deacylation of beta-D-glucose pentaacetate has been carried out with density functional theory (B3LYP...
D-Galactose, Nessler's Reagent The present paper deals with the kinetics of oxidation of D-galactose by Nessler's reagent in alkaline medium. The reaction is zero order with respect to Hg(II) and first order with respect to reducing sugar. The direct proportionality of the reaction rate at low hydroxide ion concentrations shows retarding trend at higher concentrations. The reaction rate is inve...
teins on the tumor cells was shown to be specific, pH de pendent, and concentration dependent. Native ricin, abrin, D-galactose, and its sterically related saccharides inhibit this specific binding, while concanavalin A, bovine serum albumin, heat-denatured abrin or ricin, and other sac charides do not. In the presence of D-galactose, the inhibi tion of protein biosynthesis by ricin does not oc...
Three lectins have been isolated from an extract of mistletoe (Viscum album) by affinity chromatography on partially hydrolysed Sepharose and human immunoglobulin- Sepharose. The lectins differ in molecular weight and sugar specificity (lectin I, mol.wt. 11500, D-galactose-specific; lectin II, mol.wt. 60000, both D-galactose- and N-acetyl-D-galactosamine-specific; lectin III, mol. wt. 50000, N-...
We wish to thank Karen Rutherford, Erna Rollefson, Charles Hill, and Douglas MacPherson for assistance in various phases of these experiments, and Julius Adler for the Lederberg mutants and helpful comments. The following abbreviations are used: Gal, galactose; Gal-1-P, a-D-galactose-1-phosphate; G-1-P, a-D-glucose-l-phosphate; G-6-P, glucose-6-phosphate; UDPGal, uridine diphosphogalactose; UDP...
Experimental animals are that developed so they can be used as model in an experiment for the development of various fields science, especially field medical science. Aging is accumulation changes occur cells and tissues along with increasing age, pose a risk disease death. One signs aging weight gain. more quickly, this due to factors. them free radical factor. Administration d-galactose induc...
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