Issue 33, 2020

Flexible electrochemical biosensors for healthcare monitoring

Abstract

As the interest in wearable devices has increased recently, increasing biosensor flexibility has begun to attract considerable attention. Among the various types of biosensors, electrochemical biosensors are uniquely suited for the development of such flexible biosensors due to their many advantages, including their fast response, inherent miniaturization, convenient operation, and portability. Therefore, many studies on flexible electrochemical biosensors have been conducted in recent years to achieve non-invasive and real-time monitoring of body fluids such as tears, sweat, and saliva. To achieve this, various substrates, novel nanomaterials, and detection techniques have been utilized to develop conductive flexible platforms that can be applied to create flexible electrochemical biosensors. In this review, we discussed recently reported flexible electrochemical biosensors and divided them into specific categories including materials for flexible substrate, fabrication techniques for flexible biosensor development, and recently developed flexible electrochemical biosensors to externally monitor target molecules, thereby providing a means to noninvasively examine cells and body fluid samples. In conclusion, this review will discuss the materials, methods, recent studies, and perspectives on flexible electrochemical biosensors for healthcare monitoring and wearable biosensing systems.

Graphical abstract: Flexible electrochemical biosensors for healthcare monitoring

Article information

Article type
Review Article
Submitted
25 Mai 2020
Accepted
06 Jul 2020
First published
06 Jul 2020

J. Mater. Chem. B, 2020,8, 7303-7318

Flexible electrochemical biosensors for healthcare monitoring

J. Yoon, H. Cho, M. Shin, H. K. Choi, T. Lee and J. Choi, J. Mater. Chem. B, 2020, 8, 7303 DOI: 10.1039/D0TB01325K

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