نتایج جستجو برای: sulphur amino acids

تعداد نتایج: 346109  

The adsorption of a number of amino acids on a defected single-walled carbon nanotube (SWCNT) isinvestigated by using the density-functional theory (DFT) calculations. The adsorption energies andequilibrium distances are calculated for various configurations such as amino acid attaching to defectsites heptagon, pentagon and hexagon in defective tube and also for several molecular orientationswi...

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 1997
M E Suliman B Anderstam B Lindholm J Bergström

Fasting plasma concentrations of sulphur amino acids (sAA) were measured in nine non-dialysed (ND) chronic uraemic patients on conservative treatment, 10 patients on continuous ambulatory peritoneal dialysis (CAPD), nine patients on haemodialysis (HD) treatment, and 10 healthy subjects (HS). Methionine and taurine concentrations were significantly decreased in the CAPD and HD patients and tende...

Journal: :The British journal of nutrition 2012
A K Jukanti P M Gaur C L L Gowda R N Chibbar

Chickpea (Cicer arietinum L.) is an important pulse crop grown and consumed all over the world, especially in the Afro-Asian countries. It is a good source of carbohydrates and protein, and protein quality is considered to be better than other pulses. Chickpea has significant amounts of all the essential amino acids except sulphur-containing amino acids, which can be complemented by adding cere...

2009
C. Dennison

A study of methods of analysis for sulphur amino acids in feeds was undertaken with a view to finding methods suitable for the routine analysis of feedstuffs. In the case of cyst(e)ine, it was found that the results obtained from simple oxidation and hydrolysis with a mixture of dimethylsulphoxide (OMSO) and hydrochloric acid correlated well with those obtained from performic acid oxidation (PA...

Journal: :Parasitology 2015
E Diaz A K Zacarias S Pérez O Vanegas L Köhidai M Padrón-Nieves A Ponte-Sucre

In the sand-fly mid gut, Leishmania promastigotes are exposed to acute changes in nutrients, e.g. amino acids (AAs). These metabolites are the main energy sources for the parasite, crucial for its differentiation and motility. We analysed the migratory behaviour and morphological changes produced by aliphatic, monocarboxylic, dicarboxylic, heterocyclic and sulphur-containing AAs in Leishmania a...

Journal: :journal of physical and theoretical chemistry 0
farideh keshavarz rezaei department of chemistry, faculty of science, arak branch, islamic azad university

using gaussian 03, software the thermodynamic functions such as gibbs free energy, g, enthalpy, h, and entropy, s, of alanine and valine amino acids were theoretically studied at different solvents. first, the density functional theory (b3lyp) level with 3-21g, 6-31g and 6-31+g basis sets were employed to optimization of isolated alanine and valine amino acids in the gas phase. moreover, vib...

Journal: :The British journal of nutrition 1982
L R Njaa A Aksnes

The nitrogen-sparing effect of methionine, methionine sulphoxide, homocystine, cystine and choline was studied in rats by determining dialy N excretions during 5 d after changing from a high-protein diet to a protein-free diet, L-glutamic acid was used as a negative control. 2. L-, D- and DL-methionine were equally active in sparing N. L-methionine sulphoxide, DL-homocystine and L-cystine were ...

Journal: :Gut 1978
M J Brueton H M Berger G A Brown L Ablitt N Iyngkaran B A Wharton

Patterns of glycine and taurine conjugation of bile acids in duodenal juice have been studied in 20 low birth weight babies at 12 and 22 days of age. They were fed from birth on one of three feeds containing different amounts of taurine and its precursors, cysteine and methionone. Taurine conjugation predominated in those fed on human milk throughout the first three weeks of life. In those fed ...

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