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Power-integrated, wireless neural recording systems on the cranium using a direct printing method for deep-brain analysis

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Title
Power-integrated, wireless neural recording systems on the cranium using a direct printing method for deep-brain analysis
Author(s)
Yong Won Kwon; David Ahn; Young-Geun Park; Enji Kim; Dong Ha Lee; Sang-Woo Kim; Kwon-Hyung Lee; Won-Yeong Kim; Yeon-Mi Hong; Chin Su Koh; Hyun Ho Jung; Jin Woo Chang; Sang-Young Lee; Jang-Ung Park
Publication Date
2024-04
Journal
Science Advances, v.10, no.14
Publisher
American Association for the Advancement of Science
Abstract
Conventional power-integrated wireless neural recording devices suffer from bulky, rigid batteries in head-mounted configurations, hindering the precise interpretation of the subject's natural behaviors. These power sources also pose risks of material leakage and overheating. We present the direct printing of a power-integrated wireless neural recording system that seamlessly conforms to the cranium. A quasi-solid-state Zn-ion microbattery was 3D-printed as a built-in power source geometrically synchronized to the shape of a mouse skull. Soft deep-brain neural probes, interconnections, and auxiliary electronics were also printed using liquid metals on the cranium with high resolutions. In vivo studies using mice demonstrated the reliability and biocompatibility of this wireless neural recording system, enabling the monitoring of neural activities across extensive brain regions without notable heat generation. This all-printed neural interface system revolutionizes brain research, providing bio-conformable, customizable configurations for improved data quality and naturalistic experimentation.
URI
https://pr.ibs.re.kr/handle/8788114/15139
DOI
10.1126/sciadv.adn3784
Appears in Collections:
Center for Nanomedicine (나노의학 연구단) > 1. Journal Papers (저널논문)
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