Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 999077, China
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This work was supported by the National Natural Science Foundation of China with Ref. No. 22202050, CUHK Direct Grant with Ref. No. 4055219 and Croucher Foundation Grant with Ref. No. CAS20403, in part by the Research Impact Fund Project R4015-21, in part by the CUHK internal grants, and in part by the Research Fellow Scheme (project no. RFS2122-4S03) from the Research Grants Council (RGC) of Hong Kong. The authors also thank support from the SIAT-CUHK Joint Laboratory of Robotics and Intelligent Systems, and the Multiscale Medical Robotics Center (MRC), InnoHK, at the Hong Kong Science Park.
Flexible electronics have attracted extensive attention across a wide range of fields due to their potential for preventive medicine and early disease detection. Microfiber-based textiles, encountered in everyday life, have emerged as promising platforms with integrated sensing capabilities. Microfluidic technology has been recognized as a promising avenue for the development of flexible conductive microfibers and has made significant achievements. In this review, we provide a comprehensive overview of the state-of-the-art advancements in microfiber-based flexible electronics fabricated using microfluidic platforms. Firstly, the fundamental strategies of the microfluidic fabrication of conductive microfibers with different structures and morphologies are introduced. Subsequently, attention is then directed towards the diverse applications of these microfibers in bioelectronics. Finally, we offer a forward-looking perspective on the future challenges about microfluidic-derived microfibers in flexible bioelectronics.
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