Reactions of flavosemiquinone radicals in the presence of metal ions

The rate constants of disproportionation of flavosemiquinone radicals were obtained by pulsed spectroscopy. The yield of the flavosemiquinone radical increased when Mohr’s salt was introduced in the aqueous solutions of riboflavin. The spectral kinetic characteristics of complexes of flavosemiquinon...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2014-06, Vol.88 (6), p.1062-1065
Main Authors: Porkhun, V. I., Sivko, A. N., Porkhun, E. V., Rakhimov, A. I.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Photochemistry and Magnetochemistry
Physical Chemistry
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Summary:The rate constants of disproportionation of flavosemiquinone radicals were obtained by pulsed spectroscopy. The yield of the flavosemiquinone radical increased when Mohr’s salt was introduced in the aqueous solutions of riboflavin. The spectral kinetic characteristics of complexes of flavosemiquinone radical anions with Zn 2+ and Cd 2+ ions were determined.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024414060247