نتایج جستجو برای: iron inorganic biochemistry
تعداد نتایج: 235817 فیلتر نتایج به سال:
Soluble Fe(II) in ground water in Denmark is mostly removed conventionally by the simple process known as purely physico-chemical (or abiotic). By this process, the raw water is exposed to atmospheric oxygen to oxidise the iron from soluble Fe(II) to insoluble Fe(III) oxides, which is then removed by single or double filtration units, depending on the ground water quality. Ground water containi...
BACKGROUND We investigated the differences in serum biochemistry levels between breast-fed and formula-fed infants. We provide reference values of serum biochemistry levels for 4-week-old (w/o) and 8 w/o infants for future clinical applications. METHODS Sixty healthy infants were enrolled in this study (30 infants were included in the breast-fed and formula-fed groups, respectively). During h...
Studying soil phosphorus fractions is useful in understanding soil pedogenesis as well as soil fertility. In this reseach, 20 soil samples were taken from different depths of 0-30 and 30-60 cm of upper-slope, mid-slope and lower-slope positions of four toposequences in arid (Jei and Ziar in Isfahan) and semiarid (Farokhshahr and Shahrekord) regions. In each toposequence, the soil depth was re...
Hemoglobin and myoglobin are a major source of dietary iron in man. Heme, separated from these hemoproteins by intraluminal proteolysis, is absorbed intact by the intestinal mucosa. The absorbed heme is cleaved in the mucosal cell releasing inorganic iron. Although this mucosal heme-splitting activity initially was ascribed to xanthine oxidase, we investigated the possibility that it is catalyz...
Background & Aims: In recent years, iron oxide nanoparticles have been used in contrast-enhanced magnetic resonance imaging for diagnosing a wide range of diseases. In order to provide biocompatibility and prevent the toxicity of the nanoparticles, using organic or inorganic coating around these nanoparticles is important for their application. The aim of this study is to investigate the effect...
Within the last 18 months there have developed two theories concerning the inorganic factors which influence hematopoietic processes. (I) In rats on a basal diet of milk and iron, supplementary copper alone will stimulate a maximum hemoglobin production. (2) On such a diet a group of elements including copper produces a maximum hemoglobin response while copper alone is slightly less effective. ...
The genus Acidithiobacillus includes iron-oxidizing lithoautotrophs that thrive in acidic mine environments. Acidithiobacillus ferrooxidans is a representative species and has been extensively studied for its application to the bioleaching of precious metals. In our attempts to cultivate the type strain of A. ferrooxidans (ATCC 23270(T)), repeated transfers to fresh inorganic media resulted in ...
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