All-printed nanomembrane wireless bioelectronics using a biocompatible solderable graphene for multimodal human-machine interfacesopen access
- Authors
- Kwon, Young-Tae; Kim, Yun-Soung; Kwon, Shinjae; Mahmood, Musa; Lim, Hyo-Ryoung; Park, Si-Woo; Kang, Sung-Oong; Choi, Jeongmoon J.; Herbert, Robert; Jang, Young C.; Choa, Yong-Ho; Yeo, Woon-Hong
- Issue Date
- Jul-2020
- Publisher
- Nature Publishing Group
- Citation
- Nature Communications, v.11, no.1, pp.1 - 11
- Indexed
- SCIE
SCOPUS
- Journal Title
- Nature Communications
- Volume
- 11
- Number
- 1
- Start Page
- 1
- End Page
- 11
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/997
- DOI
- 10.1038/s41467-020-17288-0
- ISSN
- 2041-1723
- Abstract
- Recent advances in nanomaterials and nano-microfabrication have enabled the development of flexible wearable electronics. However, existing manufacturing methods still rely on a multi-step, error-prone complex process that requires a costly cleanroom facility. Here, we report a new class of additive nanomanufacturing of functional materials that enables a wireless, multilayered, seamlessly interconnected, and flexible hybrid electronic system. All-printed electronics, incorporating machine learning, offers multi-class and versatile human-machine interfaces. One of the key technological advancements is the use of a functionalized conductive graphene with enhanced biocompatibility, anti-oxidation, and solderability, which allows a wireless flexible circuit. The high-aspect ratio graphene offers gel-free, high-fidelity recording of muscle activities. The performance of the printed electronics is demonstrated by using real-time control of external systems via electromyograms. Anatomical study with deep learning-embedded electrophysiology mapping allows for an optimal selection of three channels to capture all finger motions with an accuracy of about 99% for seven classes. Though wearable electronics remain an attractive technology for bioelectronics, fabrication methods that precisely print biocompatible materials for electronics are needed. Here, the authors report an additive manufacturing process that yields all-printed nanomaterial-based wireless electronics.
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