نتایج جستجو برای: oxidants
تعداد نتایج: 7578 فیلتر نتایج به سال:
Mouse hindlimb ischemia has been widely used as a model to study peripheral artery disease. Genetic modulation of the enzymatic source of oxidants or components of the antioxidant system reveal that physiological levels of oxidants are essential to promote the process of arteriogenesis and angiogenesis after femoral artery occlusion, although mice with diabetes or atherosclerosis may have highe...
Background: The risk of atherosclerosis and cancer is high in hemodialysis (HD) patients. There is evidence that HD causes oxidative stress. However, the causative factors of oxidative stress are unknown. It has been suggested that HD imposes an additional oxidative stress on patients with chronic renal failure by activation of granulocytes on dialyzer membranes resulting in an imbalance betwee...
Exposure of Escherichia coli to H2O2 leads to two kinetically distinguishable modes of killing: mode I killing occurs maximally near 2 mM H2O2, whereas mode II killing is essentially independent of H2O2 concentrations up to 20 mM. A major portion of H2O2 toxicity is attributed to DNA damage caused by the iron-mediated Fenton reaction. By studying DNA damage during Fenton reactions in vitro, the...
Sunmmiary. Particuilate cell wall polysaccharide synthetase from oat coleoptiles could use either guanosine diphosphate glucose or turidine diphosphate glucose; the latter was a much more effective glucose donor. The neutral polymer derived from uridine diphosphate glu-cose utilization yielded, after cellulase digestion, mostly cellobiose and to a lesser extent a suibstance tentatively identifi...
The usage of nanoparticles became inevitable in medicine and other fields when it was found that they could be administered to hosts act as oxidants or antioxidants. These oxidative pro-oxidants induce stress-mediated toxicity through the generation free radicals. Some can antioxidants scavenge these radicals help maintaining normal metabolism. oxidant antioxidant properties rely on various fac...
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