An on/off-switchable graphene-based zipper-like interface is architectured for efficient bioelectrocatalysis. The graphene interface transduces a temperature input signal into structural changes of the membrane, resulting in the amplification of electrochemical signals and their transformation into the gated transport of molecules through the membrane.

This paper describes a diffusion-controlled electrolysis of glucose with mediated bioelectrocatalysis at microdisk-electrodes. Under conditions of an extremely fast enzyme reaction, compared with the diffusion of glucose, the current in potential-step chronoamperometry reaches an almost steady state within 10 s, and is proportional to the glucose concentration. The current can be detected at +0...

Cells Sergey V. Morozov, Arkady A. Karyakin, Paulette M. Vignais, Serge Cosnier Faculty of Chemistry, M.V.Lomonosov Moscow State University, 119992, Moscow, Russia CEA/Grenoble, BBSI (UMR CEA/CNRS/UJF no. 5092), DRDC, 38054 Grenoble Cedex 9, France 3 LEOPR (UMR CNRS no. 5630), UJF, BP 53, 38041 Grenoble Cedex 9, France Molecular hydrogen is considered nowadays as the most promising chemical fue...

The research on intelligent bioelectrocatalysis based on stimuli-responsive materials or interfaces is of great significance for biosensors and other bioelectronic devices. In the present work, lectin protein concanavalin A (Con A) and glycoenzyme glucose oxidase (GOD) were assembled into {Con A/GOD}n layer-by-layer (LbL) films by taking advantage of the biospecific lectin-glycoenzyme affinity ...

Electrospinning is known as a fabrication technique for electrode architectures that serve as immobilization matrices for biomolecules. The current work demonstrates a novel approach to construct a conductive polymeric platform, capable not only of immobilization, but also of electrical connection of the biomolecule with the electrode. It is produced upon electrospinning from mixtures of three ...