The ion-selective field-effect transistor application for enzyme analysis of toxic admixtures in aqueous solutions

Abstract

The article describes design and production technology of pH-sensors based on ion-selective field-effect transis-tors (ISFET) intended for enzyme analysis of inhibiting admixtures in aqueous solutions, and architecture of the multichannel measuring system built upon the ISFET-sensors. The characteristics of developed prototypes are given and the ways for further improvement of system design, metrological performance and operating parameters are outlined.

Keywords

• ion-selective field-effect transistor (ISFET)
• transmitter
• measuring and information system (MIS)
• biosensor