نتایج جستجو برای: hydroxyl
تعداد نتایج: 24729 فیلتر نتایج به سال:
qct calculations were performed to study the behavior of energized nh2oh formed by association collision of nh2 radical with oh radical. a potential energy surface that describes the behavior of the title reaction has been constructed by interpolation of ab initio data. h2o, hon, hno, nh3, o, h2no, cis or trans-honh, and h products and two vibrationally energized nh2oh and nh3o adducts were obs...
objective(s) anxiety is a common disorder which afflicts many people in any society and is often accompanied by physiological sensations such as tachycardia, chest pain, shortness of breath, insensitivity, etc. the purpose of present study was to evaluate the putative anxiolytic-like effects of phencyclidine ('-('-phenylcyclohexyl) piperidine, cas 956-90-1, pcp, i) and its methyl and ...
یکی از مشتقات ترکیبات آلی کربنیل دار اکسیم (oxime) می باشد به علت اینکه اکسیمها به راحتی قابل تبدیل به گروههای عاملی دیگر هستند، در سنتز مواد دیگر به طور وسیع به کارگرفته می شوند. از جمله مواد سنتز شده از اکسیم: نایترونها (nitrones) و هیدرکسیل آمینها (hydroxyl amines) می باشند که در این پایان نامه بررسی شده است. از اکسیمها و نایترونها و هیدروکسیل آمینها مواد متعددی سنتز شده است که د...
the hydroxyl radical (oh•) is a powerful oxidant produced as a consequence of cavitation in water. it can react nonspecifically in breaking down persistent organic pollutants in water into their mineral form. it can also recombine to form hydrogen peroxide which is very useful in water treatment. in this study, terephthalic acid (ta) and potassium iodide dosimetry were used to quantify and inve...
oxygen-derived free radical* (ofr) involvement in ischacmia-rcpcrfusion (ir) injury was investigated in a rat isolated kidney model, using 20 minutes iscliaemia followed by 15 or 60 minutes reperfusion. two antioxidants, the xanthine oxidase inhibitor allopurinol and the hydroxyl radical scavenger dimcthylthiourca (dmtu), were uscit to try and prevent ofr-relatcd damage. renal function was esti...
A vast majority of the studies addressing the free radicals including hydroxyl radical is a damage compound of biochemical molecules such as DNA, proteins and lipids. When free radicals specially hydroxyl radical are not adequately removed from the body, it may damage biological macromolecules, leading to a variety of disease occurs. Therefore, the body should be protected by an enzymatic or no...
Hydroxyl terminated polybutadiene (HTPB) is a low molecular weight polymer which has used in various industries. The good mechanical and thermal properties of HTPB based polyurethane is caused to use it as a binder for the solid composite propellants and plastic bonded explosives. Also, The presence of double bonds and hydroxyl end groups in the structure of HTPB can provide an opportunity ...
background the aim of the present study was to investigate the effect of ginger and glibenclamide on oxidative stress markers. oxidative stress is caused by an unbalance between a relative overload of oxidants and depletion of antioxidants, as implicated in the pathogenesis of several chronic diseases, including atherosclerosis and diabetes mellitus. regarding the role of oxidative stress in th...
a vast majority of the studies addressing the free radicals including hydroxyl radical is a damage compound of biochemical molecules such as dna, proteins and lipids. when free radicals specially hydroxyl radical are not adequately removed from the body, it may damage biological macromolecules, leading to a variety of disease occurs. therefore, the body should be protected by an enzymatic or no...
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