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Abstract
Bacterial cellulose (BC), a natural biomaterial, offers unique properties for implantable neural interfaces. This work introduces "Brainmask," a micro-electrocorticography (micro-ECOG) electrode using a BC film substrate and parylene-C microelectrodes. Brainmask ensures precise microelectrode positioning on nonplanar surfaces and maintains long-lasting signal quality, demonstrated through acute (at least one hour) and in vivo (one week) recordings.
Publisher
Microsystems & Nanoengineering
Published On
Jul 26, 2023
Authors
Bowen Ji, Fanqi Sun, Jiecheng Guo, Yuhao Zhou, Xiaoli You, Ye Fan, Longchun Wang, Mengfei Xu, Wen Zeng, Jingquan Liu, Minghao Wang, Huijing Hu, Honglong Chang
Tags
bacterial cellulose
neural interfaces
micro-ECOG
biomaterials
microelectrodes
signal quality
brain implant

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