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Title: Investigation of Coenzyme Q[10] by Voltammetry
Authors: Petrova, Ekaterina Viktorovna
Korotkova, Elena Ivanovna
Kratochvil, B.
Voronova, Olesya Aleksandrovna
Dorozhko, Elena Vladimirovna
Bulycheva, Elizaveta Vladimirovna
Keywords: коэнзим Q10; вольтамперометрия; стекловидные электроды; антиоксидантная активность; окисление; voltammetry; coenzyme Q10; glassy carbon electrode; antioxidant activity; determination
Issue Date: 2014
Publisher: Elsevier
Citation: Investigation of Coenzyme Q[10] by Voltammetry [Electronic resource] / E. V. Petrova [et al.] // Procedia Chemistry . — 2014 . — Vol. 10 : Chemistry and Chemical Engineering in XXI century . — [P. 173-178] .
Abstract: A simple, accurate and rapid voltammetric method has been developed for the quantitative determination of coenzyme Q[10]. Studies with direct current voltammetry were carried out using a glassy carbon electrode (GCE) in a phosphate buffer solution (pH 6.86). A well-defined oxidation peak of CoQ[10] was obtained at -0.600 V vs Ag/AgCl. The magnitude of the oxidation peak current has been found to be related to the concentration of the coenzyme over the range of (2.0x10{-5} to 2.0x10{-4} M) (r=0,991). Antioxidant activity of CoQ[10] was investigated.
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