A Portable Electrochemical Measurement Platform for Wearable-Flexible Sweat Sensors

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Abstract

This paper presents the design, implementation, and testing of a portable electrochemical measurement platform that can perform amperometric, voltametric, and impedance measurements required by different wearable-flexible sweat sensors. These sensors are gaining increasing interest in the domain of healthcare monitoring due to their advantages including low-cost, high sensitivity, and non-invasive operation. The proposed platform is composed of a high-sensitivity Electrochemical Front End (EFE) controlled by a low-power microcontroller (MCU) which is suitable for long-lasting Internet-of-Things (IoT) enabled applications. The implemented prototype provides real-time continuous electrochemical measurements of a novel screen-printed sweat sensor composed of a flexible substrate with several transducing elements targeting different sweat components; Na+, K+, pH, and lactate enzyme. The experimental evaluation presented in this paper demonstrates the effectiveness of our proposed sensing solution for measuring key biomarkers continuously and with high sensitivity.
Original languageEnglish
Title of host publication2023 IEEE Sensors Applications Symposium
PublisherIEEE
DOIs
Publication statusPublished - 18 Jul 2023

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