Issue 9, 2024

The latest research progress of conductive hydrogels in the field of electrophysiological signal acquisition

Abstract

During the physiological activities of the human body, a variety of rich electrophysiological signals are generated, and these signals are mainly acquired through electrodes. Therefore, the performance of electrodes directly determines the quality and stability of electrophysiological signals. Among the electrodes, electrodes based on conductive hydrogels show great potential in the field of electrophysiological signal acquisition due to their excellent conductivity, stability, biocompatibility and low Young's modulus. This review first introduces representative strategies for the preparation of conductive hydrogels, discusses the possible problems of introducing conductive materials into hydrogels and offers solutions. Subsequently, the mechanism of electrophysiological signal generation is introduced, and the recent research progress of conductive hydrogels in the field of electrophysiological signal acquisition is discussed. Finally, the opportunities and challenges faced by conductive hydrogels for electrophysiological signal acquisition are summarized and outlooked.

Graphical abstract: The latest research progress of conductive hydrogels in the field of electrophysiological signal acquisition

Article information

Article type
Review Article
Submitted
08 Jan 2024
Accepted
11 Feb 2024
First published
20 Feb 2024

J. Mater. Chem. C, 2024,12, 3030-3052

The latest research progress of conductive hydrogels in the field of electrophysiological signal acquisition

H. Ding, Y. Gu, Y. Ren, C. Hu, Q. Qiu, D. Wu, J. Mou, Z. Wu and H. Zhou, J. Mater. Chem. C, 2024, 12, 3030 DOI: 10.1039/D4TC00089G

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