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Bioinspired superwettable electrodes towards electrochemical biosensing.

Qinglin Zhu¹, Yuemeng Yang¹, Hongxiao Gao¹

¹Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 P. R. China xuliping@ustb.edu.cn.

Chemical Science

|June 3, 2022

Summary

Superwettable materials enhance electrochemical biosensors by improving electrode performance. This review covers advancements in superwettable electrodes for improved sensitivity and applications in wearable devices.

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Area of Science:

Materials Science
Electrochemistry
Biosensors

Background:

Superwettable materials offer unique properties for advanced applications.
These materials are increasingly vital in electrochemical biosensor development.

Purpose of the Study:

To review fundamental understanding and recent progress in superwettable materials for electrochemical biosensors.
To discuss various types of superwettable electrodes and their applications.

Main Methods:

Discussion of electrochemical reaction mechanisms at electrode/electrolyte interfaces.
Summarization of advancements in superhydrophilic, superhydrophobic, superaerophilic, superaerophobic, and micropatterned electrodes.
Exploration of electrodes with switchable and Janus wettabilities.

Main Results:

Superwettable electrodes provide larger active areas, accelerated electrochemical dynamics, and better mass transfer management.
Progress in diverse superwettable electrode designs has been summarized.
Development of superwettable materials for wearable electrochemical sensors is highlighted.

Conclusions:

Superwettable materials significantly boost electrochemical biosensor performance.
Diverse superwettable electrode designs offer tailored functionalities for sensing applications.
Future research directions for superwettable materials in wearable sensors are outlined.