نتایج جستجو برای: iodine potassium iodide
تعداد نتایج: 109232 فیلتر نتایج به سال:
I . Iodine metabolism was studied using labelled sodium iodide in subjects with endemic goitre which is prevalent in the south-west part of Ceylon, where the iodine content of the drinking water was shown to be low. The study was confined mostly to children of school age. 2. The patients showed raised thyroidal uptake of lS1I and 48 h serum protein-bound radioactive iodine, lowered plasma inorg...
Iodide uptake by the thyroid is an active process. Iodine deficiency and pregnancy are known to influence thyroid hormone metabolism. The aim of this study was to clarify the effects of iodine deficiency and pregnancy on iodide uptake by the thyroid. Radioiodide was injected intravenously into nonpregnant and 19-day pregnant rats receiving a normal or marginally iodine-deficient diet. The uptak...
www.onk.ns.ac.rs/Archive Vol 21, No. 2, June 2013 INTRODUCTION Iodine is the required element in the diet richest in electrons. Inorganic iodides are necessary for all living vegetable and animal cells, but only the Vertebrates have the thyroid gland and its iodinated hormones. In humans, the total amount of iodine is about 15-50 mg and roughly 80 % is located in the thyroid gland (1, 2). The U...
The oxidation of iodide at a rotaling platinum disk electrode in methanol has been studied. At low concentrations only one oxidation wave is seen, but at higher concentrations two steps are discerned. This is in accordance with the theory, assuming that the equilibrium between iodide, ttiiodide and iodine is reached fast and the oxidation of iodide to iodine occurs reversibly. only in approxima...
Perchlorate, nitrate, and thiocyanate are competitive inhibitors of the sodium iodide symporter of the thyroid membrane. These inhibitors can decrease iodine uptake by the symporter into the thyroid gland and may disrupt thyroid function. This study assesses iodine status and exposure to iodide uptake inhibitors of non-pregnant and non-lactating adult women living in three different cities in T...
Recent studies indicated that gaseous halogens mediate key tropospheric chemical processes. The inclusion of halogen-ozone chemistry in atmospheric box models actually closes the approximately 50% gap between estimated and measured ozone losses in the marine boundary layer. The additional source of gaseous halogens is deemed to involve previously unaccounted for reactions of O(3)(g) with sea su...
• Complex formation of poly(2-ethyl-2-oxazoline) and poly(N-vinylpyrrolidone) with molecular iodine has been studied in aqueous solutions. Poly(2-ethyl-2-oxazoline) exhibits greater ability to bind compared Iodophors based on exhibited similar antimicrobial properties. Formation iodophors by interactions dissolved solutions addition potassium iodide ethanol using a range physicochemical techniq...
The protective effects of iodine on breast cancer have been postulated from epidemiologic evidence and described in animal models. The molecular mechanisms responsible have not been identified but laboratory evidence suggests that iodine may inhibit cancer promotion through modulation of the estrogen pathway. To elucidate the role of iodine in breast cancer, the effect of Lugol's iodine solutio...
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