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Electrochemical Properties of PrBaCo2O6electrode in the Oxidation of Glucose and Methyle Orange
Authors
Yu. A. Glazyrina
A. M. Shalamova
Publication date
1 January 2021
Publisher
'IOP Publishing'
Abstract
In this work, we investigate the possibility of using double cobaltite with the composition PrBaCo2O6 as an electrocatalyst in the oxidation of organic compounds. A screen-printed carbon electrode modified with the PrBaCo2O6 drop method was investigated as a sensor for glucose. The amperometric signal of this sensor is logarithmically dependent on the analyte concentration according to the equation: I (μA) = 9.485⋅ln(C (mM)) + 17.864 (R = 0.9951). The limit of detection is 0.52 μM (at S/N = 3). The linearity range is 0.0-17.5 mM, which corresponds to the physiological values of blood glucose concentration (3.3-5.5 mM). In addition, the possibility of electrooxidation of a refractory organic compound (methylene orange) using a modified electrode was shown. © Published under licence by IOP Publishing Ltd.The authors appreciate the support of this work within the government assignment No AAAA-A19-119110190048-7
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Last time updated on 17/05/2022