نتایج جستجو برای: magnesium ethoxide
تعداد نتایج: 38146 فیلتر نتایج به سال:
Urinary magnesium and pH are known to modulate urinary calcium excretion, but the mechanisms underlying these relationships are unknown. In this study, the data from 17 clinical trials in which urinary magnesium and pH were pharmacologically manipulated were analyzed, and it was found that the change in urinary calcium excretion is directly proportional to the change in magnesium excretion and ...
BACKGROUND Intravenous magnesium reduces the QTc interval of patients receiving ibutilide. Whether oral magnesium can reduce the QTc interval associated with oral sotalol and dofetilide is not known. This study was undertaken to evaluate the impact of oral magnesium on the QTc interval and whether an inherent intracellular magnesium deficiency exists among patients with arrhythmias. METHODS P...
A study has been made of the role of magnesium ions in cell division cycle control in the fission yeast, Schizosaccharomyces pombe, and the budding yeast, Kluyveromyces fraglis. Synchronization of cell division in these organismms can be induced by restoring magnesium to magnesium-exhausted cultures. In S. pombe, a correlation exists between the time taken for cells to enter the first synchrono...
The 2015 Dietary Guidelines Advisory Committee indicated that magnesium was a shortfall nutrient that was underconsumed relative to the Estimated Average Requirement (EAR) for many Americans. Approximately 50% of Americans consume less than the EAR for magnesium, and some age groups consume substantially less. A growing body of literature from animal, epidemiologic, and clinical studies has dem...
Efforts have been made recently to implement nanoscale surface features on magnesium, a biodegradable metal, to increase bone formation. Compared with normal magnesium, nanostructured magnesium has unique characteristics, including increased grain boundary properties, surface to volume ratio, surface roughness, and surface energy, which may influence the initial adsorption of proteins known to ...
Magnesium plays a special role in RNA function and folding. Although water is magnesium's most common first-shell ligand, the oxyanions of RNA have significant affinity for magnesium. Here we provide a quantum mechanical description of first-shell RNA-magnesium and DNA-magnesium interactions, demonstrating the unique features that characterize the energetics and geometry of magnesium complexes ...
The enzyme (-) S-adenosyl-L-methionine-magnesium protoporphyrin methyltransferase, which catalyzes the transfer of the methyl group from (-) S-adenosyl-L-methionine to magnesium protoporphyrin to form magnesium protoporphyrin monomethyl ester, has been detected in chloroplasts isolated from Zea mays. Zinc protoporphyrin and free protoporphyrin also act as substrates in the system, although neit...
In their systematic review and meta-analysis of prospective studies, Del Gobbo et al (1) showed an inverse association of magnesium concentrations with the incidence of cardiovascular disease, including fatal and nonfatal ischemic heart disease (IHD). Yet, another recent meta-analysis (2) has reported a beneficial effect of dietary magnesium on cardiovascular disease mortality among women but n...
BACKGROUND Type 2 diabetes mellitus is a major global public health problem in the worldwide and is increasing in aging populations. Magnesium intake may be one of the most important factors for diabetes prevention and management. Low magnesium intake may exacerbate metabolic abnormalities. In this study, the relationships of magnesium intake with metabolic parameters, depression and physical a...
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