نتایج جستجو برای: tubular support
تعداد نتایج: 686164 فیلتر نتایج به سال:
With the increase of colorectal cancer patients in recent years, the needs of quantitative evaluation of colorectal cancer are increased, and the computer-aided diagnosis (CAD) system which supports doctor's diagnosis is essential. In this paper, a hardware design of type identification module in CAD system for colorectal endoscopic images with narrow band imaging (NBI) magnification [1] is pro...
Recent discoveries in neuroscience support a twenty-year-old controversial theory of consciousness entitled Orch-OR that states that consciousness does not emerge from complex computational activities inside the brain, as it was previously thought, but rather it emanates from quantum vibrations inside the microtubules. These microtubules are microscopic tubular structures present inside brain n...
Using Na+/Ca2+ exchanger (NCX1)-deficient mice, the pathophysiological role of Ca2+ overload via the reverse mode of NCX1 in ischemia/reperfusion-induced renal injury was investigated. Because NCX1(-/-) homozygous mice die of heart failure before birth, we used NCX1(+/-) heterozygous mice. NCX1 protein in the kidney of heterozygous mice decreased to about half of that of wild-type mice. Express...
The nephritogenic antigen, responsible for the immunogenic stimulus in experimental allergic glomerulonephritis induced with tubular antigen, has been identified as a renal tubular epithelial (RTE)-specific antigen and has been isolated in a relatively purified form. This antigen, RTE-alpha(5), is a distinct and antigenically specific lipoprotein of high density which is derived primarily from ...
In order to evaluate the possible role of sodium- and potassium-activated adenosine triphosphatase in the active transport of sodium by the renal tubules, we examined the effect of large changes in the tubular reabsorptive load of sodium on the Na-K-ATPase activity of rat kidney homogenates. Glomerular filtration and tubular reabsorption of sodium per gram of kidney tissue increased progressive...
Background and Aim: Nephrotoxicity is the most important and the most frequent adverse effect of Aminoglycosides, which restricts its usage despite its availability and effectiveness. It seems that L-carnitine with an inhibitory effect on free radical production and some antioxidant effect, may have a supportive role against the potential renal damage due to ischemia. The recent study was d...
The mechanism of glomerulotubular balance was investigated by microperfusion of the rat proximal tubule at two different rates before and after contriction of the aorta sufficient to produce a 50% reduction in whole kidney filtration rate and plasma flow. At a perfusion rate of 28 nl/min the absolute rate of proximal tubular reabsorption averaged 4.80+/-0.28 nl/mm.min in the absence of aortic c...
Brace and chord members of a tubular joint always have a degree of geometrical imperfection due to the manufacturing, transportation and installation processes and also the action of various loads during the lifetime of the structure. However, during the analysis and design of tubular joints, geometrical imperfection is not usually taken into account. Considering the geometrical imperfection in...
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