منابع مشابه
Computational Study of Y NMR Shielding in Intermetallic Yttrium Compounds
Density functional theory (DFT) calculations of the magnetic shielding for solid state nuclear magnetic resonance (NMR) provide an important contribution for the understanding of experimentally observed signals. In this work, we present calculations of the Y NMR shielding in intermetallic compounds (YMg, YT, YTX, YT2X, YT2X2, Y2TB6, and Y2TSi3 where T represents various transition metals and X ...
متن کاملRegulation of Alr1 Mg Transporter Activity by Intracellular Magnesium
Mg homeostasis is critical to eukaryotic cells, but the contribution of Mg transporter activity to homeostasis is not fully understood. In yeast, Mg uptake is primarily mediated by the Alr1 transporter, which also allows low affinity uptake of other divalent cations such as Ni(2+), Mn(2+), Zn(2+) and Co(2+). Using Ni(2+) uptake to assay Alr1 activity, we observed approximately nine-fold more ac...
متن کاملThe effect of potassium and magnesium infusion on plasma Mg concentration and Mg balance in ewes.
1. Concentrations of magnesium in plasma, the ionic concentration in rumen digesta supernatant fractions, Mg balance and electropotential differences were measured in three ewes which were fed on grass and supplemented with potassium and Mg by intraruminal infusion. 2. Mean plasma Mg concentrations were unaltered by combined K and Mg treatments, but fell (P less than 0.001) when K alone was inf...
متن کاملReduction of magnesium orthovanadate Mg ( VO ) 3 4 2
Reduction of polycrystalline and crystalline magnesium orthovanadate Mg V O by hydrogen was investigated in the temperature 3 2 8 range of 560–9208C. A single crystal of orthorhombic Mg V O with a cation-deficient-spinel structure (25% of the magnesium atoms on 3 2 8 octahedral sites are vacant) was transformed into cubic Mg V O which has a cation-stuffed-spinel structure (8a and 16c sites were...
متن کاملFractional excretion magnesium (FE Mg) in systemic lupus erythematosus.
BACKGROUND Tubulointerstitial fibrosis is an index of clinical severity. FE Mg has been delineated to correlate directly with the magnitude of tubulointerstitial fibrosis in clinical setting of glomerulonephropathy. A correlation between FE Mg tubulointerstitial fibrosis has never been assessed in nephritis associated with systemic lupus erythematosus. MATERIAL AND METHOD Thirty-six patients ...
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ژورنال
عنوان ژورنال: Journal of Phase Equilibria and Diffusion
سال: 2010
ISSN: 1547-7037,1863-7345
DOI: 10.1007/s11669-010-9661-4