Issue 72, 2014

The influence of nanoparticles on enzymatic bioelectrocatalysis

Abstract

In nearly all papers concerning enzyme–nanoparticle based bioelectronic devices, it is stated that the presence of nanoparticles on electrode surfaces per se enhances bioelectrocatalysis, although the reasons for that enhancement are often unclear. Here, we report detailed experimental evidence that neither an overpotential of bioelectrocatalysis, nor direct electron transfer and bioelectrocatalytic reaction rates for an adsorbed enzyme depend on the size of nanoparticles within the range of 20–80 nm, i.e. for nanoparticles that are considerably larger than the enzyme molecules.

Graphical abstract: The influence of nanoparticles on enzymatic bioelectrocatalysis

Supplementary files

Article information

Article type
Communication
Submitted
17 Jul 2014
Accepted
15 Aug 2014
First published
15 Aug 2014

RSC Adv., 2014,4, 38164-38168

Author version available

The influence of nanoparticles on enzymatic bioelectrocatalysis

D. Pankratov, R. Sundberg, D. B. Suyatin, J. Sotres, A. Barrantes, T. Ruzgas, I. Maximov, L. Montelius and S. Shleev, RSC Adv., 2014, 4, 38164 DOI: 10.1039/C4RA08107B

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