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Figure 1. Schematic illustration of various bioelectronic devices based on 1D nanomaterials including nanowire, nanotube, and nanofiber. a) Nanowire, nanotube, and nanofiber are the representative 1D nanomaterials. b) Cellular scale bioelectronics based on 1D nanomaterials for cell signal recording and stimulation. Nanowire array to monitor signal of cell: Reproduced with permission. [93] Copyright 2017, American Chemical Society. 3D nanowire FET scaffold to record and stimulate cultured cells: Reproduced with permission. [102] Copyright 2016, Springer Nature. c) Tissue scale bioelectronics based on 1D nanomaterials for signal recording and therapeutic functions. Nanofiber-based cuff electrode for neuroprosthetics: Reproduced with permission. [116]

Bioelectronics Bioelectronics has been developed to acquire knowledge about electrophysiological modulation of in vitro cultured cells, as well as for therapeutic devices which can manage disease through implantation. Along with biocompatibility issues, various 1D nanomaterial‐based bioelectronic applications are discussed in article number http://doi.wiley.com/10.1002/anbr.202100111 by Wonryung Lee, Hojeong Jeon, Seung Hwan Ko, and co‐workers.