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In this paper, it was shown that the gold-modified carbon black (XC-72R + 20% Au) is able to electrooxidate the glucose under conditions, which are the most suitable for the work of the laccase-based electrode (pH = 4.5). It was established that oxygen does not participate the investigated process. The possible mechanism of the reaction was proposed. The maximum current density of 700 ?A cm-1 under the 0.4 V (Ag/AgCl) was received on the electrode with 1.5 mg of the catalyst loading within the solution, containing...