| 학회 |
한국고분자학회 |
| 학술대회 |
2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터) |
| 권호 |
46권 2호 |
| 발표분야 |
미래소재: 휴먼 인터페이스 고분자 소재 및 소자 기술 |
| 제목 |
Adaptive damage-durable electronic epineurium for long-term stable soft neuroprosthetics |
| 초록 |
Soft neuroprosthetics capable of monitoring sensory signals and delivering feedback motor information have pursued the perfect replacement for damaged nerves. Although such efforts have been made to the long-term stability of the peripheral neural interfaces, nerve compression and device fatigue issues still remain challenging due to the lack of optimal materials that simultaneously meet tissue-device modulus matching, biocompatibility, and electrical/mechanical self-recovery. Here, we report an adaptive self-recoverable electronic epineurium that can prevent its electrical degradation induced by repetitive deformation. Such performances originate from its unique mechanical properties: i) spontaneous rearrangement of Au nanoshell-coated Ag flakes dispersed in a self-healing polymer and ii) dynamic stress relaxation of the electronic epineurium enabling its mechanical adaptation to nerve modulus. Finally, we successfully demonstrate stable bidirectional neural recording and stimulation. |
| 저자 |
손동희 |
| 소속 |
성균관대 |
| 키워드 |
Self-healing; Neuroprosthetics; Epineurium; Long-term
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| E-Mail |
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