potentiometric enzyme electrode

https://doi.org/10.1351/goldbook.09122
Enzyme-modified electrode, or an electrode modified by a substrate, cofactor or inhibitor, in which the activity of a product of the enzyme reaction is measured by an ion-selective electrode.
Source:
PAC, 2020, 92, 641. 'Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)' on page 666 (https://doi.org/10.1515/pac-2018-0109)