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The article informs that electrochemistry has found a new move for controlling the power of hydrogen of a solution by reversible reduction and oxidation of an electrode coating formed from three-dimensional hybrid aniline gold nanoparticles. A variety of electrodes were coated with molecular monolayers and intensively studied to elucidate chargetransport mechanism in these materials. The power of hydrogen-switching amplitude is large enough to influence the activity of many enzymes and the association and dissociation reactions are controlled by the electrochemically induced power of hydrogen changes to the solution.