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. 2018 Jun 29;6:256. doi: 10.3389/fchem.2018.00256

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Copyright © 2018 Nikolaev, Ermolenko, Offenhäusser, Ermakov and Mourzina.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Cyclic voltammograms of an Au NW electrode in a 0.1 M PBS, pH 7.2, (black line) and in a 1 × 10⁻² M solution of glucose in PBS (blue dashed line). Insert in (A) shows a scheme of the oxidation and reduction processes at the metal electrode surface during oxidation of glucose. (B) A calibration curve as a current dependence on the concentration of glucose. The calibration curve was obtained by means of amperometry at E_det = +0.35 V (vs. Ag/AgCl) using an Au NW electrode prepared by DENA as a working electrode.