نتایج جستجو برای: iron archaeometallurgy
تعداد نتایج: 142538 فیلتر نتایج به سال:
Iron overload is known to occur in the West European and American population due to the consumption of iron-rich diets. On the other hand, genetic disorders leading to iron overload are also known. Iron overload leads to increased peroxidation and disruptive disintegration of lipid-rich membranes, and predisposes humans for an enhanced risk of cancer induction. In experimental animals iron ...
Uptake of iron in the halotolerant alga Dunaliella salina is mediated by a transferrin-like protein (TTf), which binds and internalizes Fe(3+) ions. Recently, we found that iron deficiency induces a large enhancement of iron binding, which is associated with accumulation of three other plasma membrane proteins that associate with TTf. In this study, we characterized the kinetic properties of ir...
conclusions not using iron supplementation did not cause of anemia in women with hb concentrations greater than 13.2 g/dl during pregnancy; thus, the systematic care and control of iron status markers without iron supplementation is recommended for these women. results there were statistically significant differences between the two groups in hb (p = 0/03) and ferritin (p = 0/04) levels at the ...
Iron is essential for human life, but toxic if present in excess. To avoid iron overload and maintain iron homeostasis, all cells are able to regulate their iron content through the post-transcriptional control of iron genes operated by the cytosolic iron regulatory proteins that interact with iron responsive elements on iron gene mRNA. At the systemic level, iron homeostasis is regulated by th...
Ferritin iron, hemosiderin iron, total iron stores and transformation rate were determined by serum ferritin kinetics. The transformation rate between ferritin and hemosiderin is motivated by the potential difference between them. The transformer determines transformation rate according to the potential difference in iron mobilization and deposition. The correlations between transformation rate...
Iron deficiency anemia is one of the essential problems in hemodialysis patients and with presence of iron deficiency, EPO does not have any effect on hematocrit(HCT) level and transferrin saturation percentage(TSP). However, injection of IV iron together with EPO improves responses to anemia treatment. The aim of this study was to determine the effect of iron(oral or IV) prescription...
background: iron deficiency is the most common single-nutrient deficiency disease in the world and is a major concern for about 15% of the world population. it has been shown that iron deficiency may affect thyroid hormones. objective: to determine thyroid hormone status in iron deficient adolescent girls. methods: a cross-sectional study was carried out in lar province and its’ vicinity i...
to evaluate the effect of foliar application of nano iron chelate and iron chelate fertilizers on morphological traits and essential oil content of holy basil, an experiment was conducted at research farm of department of horticultural, shahid chamran university of ahvaz based on randomized complete blocks design with six treatments and three replications. the treatments were including control,...
in this study, the isothermal reduction of iron oxide pellets, made of iranian chadormalo, gole-gohar, and sangan iron ores, was investigated in the temperature range of 900-1100°c. tabas, pabdana, babnizoo, karmozd, and shahrood domestic coals were used as reductants. parametric studies were performed and the effects of such factors as temperature, average particle size of iron ore and coal fi...
AIMS To compare iron fortified follow-on milk (iron follow-on), iron fortified partially modified cows' milk (iron milk), and iron medicine for the treatment of iron deficiency anaemia (IDA) in hospitalised infants. METHODS In a randomised controlled trial, infants aged 9-23 months with IDA and who were hospitalised with an acute illness received iron follow-on (12 mg/l ferrous iron), iron mi...
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