منابع مشابه
Iron deposition in tissues.
Among clinical conditions w ith increased tissue iron, id iopathic hem o chrom atosis is un ique. I t is associated w ith increased absorption and iron deposition in all tissues. E xperim ental m odels to study iron absorption and deposition in tissues m ay p rovide inform ation on the processes associated w ith excess iron uptake. Low pro tein high fat d iets induced excess iron deposition in...
متن کاملBrain Iron Deposition
The brain uses iron for many essential processes (1-4). The extent of iron utilization is heavily dependent on local functional requirements, leading to significant variations in tissue iron concentrations throughout the brain (5-7). This was graphically illustrated nearly a century ago in the first colour illustrations of the differential distribution of iron throughout the brain architecture,...
متن کاملCarbonate deposition, climate stability, and Neoproterozoic ice ages.
The evolutionary success of planktic calcifiers during the Phanerozoic stabilized the climate system by introducing a new mechanism that acts to buffer ocean carbonate-ion concentration: the saturation-dependent preservation of carbonate in sea-floor sediments. Before this, buffering was primarily accomplished by adjustment of shallow-water carbonate deposition to balance oceanic inputs from we...
متن کاملKinetics of Iron Sulfide and Mixed Iron Sulfide/carbonate Scale Precipitation in Co2/h2s Corrosion
Glass cell experiments were conducted to investigate kinetics of iron sulfide and mixed iron sulfide/carbonate scale precipitation in CO2/H2S corrosion. Weight gain/loss (WGL) method was used to investigate the scale formation using X65 carbon steel as substrates. Scanning Electron Microscopy (SEM/EDS), X-ray Diffraction methodology (XRD), X-ray Photoelectron Spectroscopy (XPS), and Electron Pr...
متن کاملHepatic iron deposition in humans. I. First-pass hepatic deposition of intestinally absorbed iron in patients with low plasma latent iron-binding capacity.
capacity was saturated by an acute intravenous infusion of iron, deposited a large fraction of intestinally absorbed iron in the liver during the first pass of portal venous blood through this organ.1 Subsequently, Wheby and Umpiere demonstrated similar results in normal human subjects given sufficient iron to acutely saturate their plasma iron-binding capacity.2 Our results in patients with sp...
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ژورنال
عنوان ژورنال: The Journal of the Geological Society of Japan
سال: 1900
ISSN: 0016-7630,1349-9963
DOI: 10.5575/geosoc.7.77_49