viologen


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viologen

[vī′äl·ə·jən]
(chemistry)
Any member of a group of chlorides of certain quaternary bases derived from γ,γ′-dipyridyl that are used as oxidation-reduction indicators; color is exhibited in the reduced form.
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Summary: The rate constants for the dimerization of the reduced products of methyl viologen dication (MV2+) of the processes (a) methyl viologen cation radical (MV+*), (EQUATION) and (EQUATION) and (b) methyl viologen neutral (MV), (EQUATION) and (EQUATION) were obtained through linear scan- / cyclic-voltammetry and the use of Olmstead-Hamilton-Nicholson theory.
Electrons produced from the bacteria may transfer from bacterial cell to electrode with the help of mediators like thionine, methyl viologen, and methylene blue etc.
By first identifying how the molecule viologen in the negative electrolyte was decomposing, Beh was able to modify its molecular structure to make it more resilient.
Complex formation between benzyl viologen and b-Cyclodextrin (bCD) in 9: 1(v/v) DMF-H2O mixed solution was studied by cyclic voltammetry.
Trypsin from bovine pancreas (>2,500 IU/mg) and methyl viologen dichloride were purchased from Aladdin Co.
Based on material, market is segmented into polymers, transition metal oxides, reflective hydride, viologen and nanocrystal.
Thoene (2006) Kinetic investigations of the mechanism of dihydrogen driven catalytic reduction of methylene blue safranine O methyl viologen and ferricyanide using platinum carbonyl cluster anions (Chini-clusters) as catalyst.
The device structure consisted of a PQT layer and an ethyl viologen diperchlorate (EV[(Cl[O.
Lee, "Single- and dual-type electrochromic devices based on polycarbazole derivative bearing pendent viologen," Synthetic Metals, vol.
3 mM methyl viologen in 50 mM phosphate buffer (pH 7.
Since most microbial cells are electrochemically inactive, electron transfer from microbial cells to the electrode is facilitated by the help of mediators such as thionine, methyl viologen, humic acid, and so on [66].
The electron transfer from microbial cells to the electrode is facilitated by mediators such as thionine, methyl viologen, humic acid etc (Lithgow et al.