Journal
TALANTA
Volume 54, Issue 4, Pages 591-596Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0039-9140(00)00667-6
Keywords
rutin; hemoglobin; supramolecule; cyclic voltammetry
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Electrochemical investigation of the interaction of rutin (Rt) with hemoglobin (Hb) at a glassy carbon electrode is reported for the first time. With the addition of hemoglobin in a rutin solution, both the reduction and oxidation currents decrease with few changes in the peak potentials. The reaction of rutin with hemoglobin forms a nonelectroactive supramolecular complex Hb-Rt. The equilibrium constant for complex is calculated to be 3.4 x 10(6). A satisfactory result has been obtained for the determination of hemoglobin in clinical blued samples. (C) 2001 Elsevier Science B.V. All rights reserved.
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