Siritanaratkul, Bhavin 
ORCID: 0000-0003-0604-7670
(2023)
Design principles for a nanoconfined enzyme cascade electrode via reaction-diffusion modelling
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 25 (13).
pp. 9357-9363.
ISSN 1463-9076, 1463-9084
Abstract
The study of enzymes by direct electrochemistry has been extended to enzyme cascades, with a key development being the ‘electrochemical leaf’: an electroactive enzyme is immobilized within a porous electrode, providing in situ cofactor (NADP(H)) regeneration for a co-immobilized downstream enzyme. This system has been further developed to include multiple downstream enzymes, and it has become an important tool in biocatalysis, however, the local environment within the porous electrode has not been investigated in detail. Here, we constructed a 1D reaction-diffusion model, comprising the porous electrode with 2 kinds of enzymes immobilized, and an enzyme-free electrolyte diffusion layer. The modelling results show that the rate of the downstream enzyme is a key parameter, and that substrate transport within the porous electrode is not a main limiting factor. The insights obtained from this model can guide future rational design and improvement of these electrodes and immobilized enzyme cascade systems.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Enzymes, Immobilized, Glucose Oxidase, Electrodes, Diffusion, Biocatalysis |
| Divisions: | Faculty of Science & Engineering > School of Physical Sciences |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 02 May 2023 10:54 |
| Last Modified: | 21 Jan 2026 19:53 |
| DOI: | 10.1039/d3cp00540b |
| Open Access URL: | https://doi.org/10.1039/D3CP00540B |
| Related Websites: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3170083 |
| Disclaimer: | The University of Liverpool is not responsible for content contained on other websites from links within repository metadata. Please contact us if you notice anything that appears incorrect or inappropriate. |
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