نتایج جستجو برای: quasi reversible reduction

تعداد نتایج: 621022  

Electrochemical behavior of I-hydroxypyridine-2-thione and its vanadium complex is studied using polarographic techniques. Polarograms of ligand and that of the complex is shown with diffusion characteristics of the waves. Cyclic voltagram of thione is investigated which shows that a reversible oxidation reduction of one electron process is taking place. PKa of the thione is found to be in ...

The reduction process for some quinones has been studid by cyclic voltammeby, rotating disk electrode voltammetry and chronopotentiometry in chloroform at platinum, gold and glassy carbon electrodes using tetrabutylmonium perchlorate (TB AP) as supporting eiectrolyte. The results obtained from this study reveal that the reduction of the quinones is two one-electron processes, the first redu...

2015
Wen-Cheng Wang Lijun Yan Fan Shi Xue-Liang Niu Guo-Lei Huang Caijuan Zheng Wei Sun

By using the hydrothermal method, carbon microspheres (CMS) were fabricated and used for electrode modification. The characteristics of CMS were investigated using various techniques. The biocompatible sensing platform was built by immobilizing hemoglobin (Hb) on the micrometer-sized CMS-modified electrode with a layer of chitosan membrane. On the cyclic voltammogram, a couple of quasi-reversib...

Ali Akbar Khandar Z. Rezvani

5-((4-alkoxyphenyl)azo)salicyladehyde, 5-((4-alkoxyphenyl)azo)-N-(npentyl, ndodecyl)-salicyladimine and bis [5-((4-alkoxyphenyl)azo)-N-(npentyl, ndodecyl)-salicyladiminato]copper(II) [alkoxy=OnCnH2n+1; n=3-7] homologues were synthesized and characterized by elemental analyses, mass and IR spectra. All complex homol...

2014
E. J. Ukpong J. Prasad

The cyclic voltammetric behaviour of copper (II) tetraethylethylenediamine systems with [Cu(II)]:[teen] =1:10, 1:100 molar ratios, 1x10M Cu(ClO4)2.6H2O in aqueous 0.2M NaClO4 supporting electrolyte have been studied at pH7.20, 9.10 and 10.85. The electrode process show quasi reversible one electron charge transfer preceded and followed by chemical reaction at glassy carbon electrode (GCE). For ...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2010
Kai Guo Yuanyuan Hu Yahong Zhang Baohong Liu Edmond Magner

The electrochemical properties of cytochrome c (cyt c) immobilized on multilayer nanozeolite-modified electrodes have been examined in aqueous and nonaqueous solutions. Layers of Linde type-L zeolites were assembled on indium tin oxide (ITO) glass electrodes followed by the adsorption of cyt c, primarily via electrostatic interactions, onto modified ITO electrodes. The heme protein displayed a ...

Journal: :Electronic Journal of Differential Equations 2022

In this article we prove an abstract Kolmogorov-Arnold-Moser (KAM) theorem for infinite dimensional reversible systems. Using theorem, obtain the existence of quasi-periodic solutions a class (non-Hamiltonian) coupled nonlinear Schrodinger systems on d-torus.

2015
Catherine Dostert Thomas J. J. Müller

2,6-Di(hetero)aryl and 2-(hetero)aryl substituted dithienothiazines are prepared from N-aryl dithienothiazines by a lithiation–lithium–zinc exchange–Negishi cross-coupling sequence with (hetero)aryl iodides in a one-pot fashion in good to excellent yields. These novel extended π-electron systems can be reversibly oxidized and fine-tuned in their electronic properties as supported by cyclo volta...

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