نتایج جستجو برای: thiocyanate ion
تعداد نتایج: 207714 فیلتر نتایج به سال:
In this work; the optimum conditions of the differential pulse polarographic method conditions of the polarographic reduction of diphenylnitrosoamine which was occured by nitrite ion and diphenylamine in perchloric acidic medium and thiocyanate ion as catalyst, were determined. At these polarogram conditions, nitrite ion gave a maximum diffusion current at -0.56 V. The differential pulse polaro...
BACKGROUND Cyanide is a toxic agent, and its detoxification product, thiocyanate, may be a major pathogenetic substance in uraemia. Recent studies examining the myeloperoxidase(MPO)/thiocyanate system have suggested a link between thiocyanate and atherosclerosis. However, inaccuracies in conventional assays for cyanide and thiocyanate have limited the understanding of their metabolism in haemod...
EJectron density distriiutions, derived from ap initio molecular wavefunttions, have been calculated for CNand SCNions. From these dynamic densities were calculated assuming-rigid body thermal. vibrations of the molecules. Comparison with the difference density in NaCN + 2&O, NaSCN and N&SCW, observed by X-ray diffraction, is fair. Remaining differences between theory and experiment are discuss...
Tetraoctylammonium cation forms a room-temperature molten salt (RTMS) with 2,4,6-trinitrophenolate anion. The RTMS is immiscible with water (W) and forms a stable RTMS/W interface. It has been shown that the RTMS/W interface can be electrochemically polarized. A well-defined voltammetric wave due to the transfer of thiocyanate ion across the RTMS/W interface was observed within the potential wi...
The binding of four inhibitors--mercuric ion, 3-acetoxymercuri-4-aminobenzenesulfonamide (AMS), acetazolamide (Diamox), and thiocyanate ion--to human carbonic anhydrase II (HCA II) has been studied with X-ray crystallography. The binding of mercury to HCA II at pH 7.0 has been investigated at 3.1 A resolution. Mercuric ions are observed at both nitrogens in the His-64 ring. One of these sites i...
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