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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202008062
|2 doi
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|a pubmed24n1481.xml
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|a (DE-627)NLM325811369
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|a (NLM)34031936
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|a DE-627
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|e rakwb
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|a eng
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|a Yamagishi, Kento
|e verfasserin
|4 aut
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|a Ultra-Deformable and Tissue-Adhesive Liquid Metal Antennas with High Wireless Powering Efficiency
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 24.07.2024
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|a Date Revised 24.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Flexible and stretchable antennas are important for wireless communication using wearable and implantable devices to address mechanical mismatch at the tissue-device interface. Emerging technologies of liquid-metal-based stretchable electronics are promising approaches to improve the flexibility and stretchability of conventional metal-based antennas. However, existing methods to encapsulate liquid metals require monolithically thick (at least 100 µm) substrates, and the resulting devices are limited in deformability and tissue-adhesiveness. To overcome this limitation, fabrication of microchannels by direct ink writing on a 7 µm-thick elastomeric substrate is demonstrated, to obtain liquid metal microfluidic antennas with unprecedented deformability. The fabricated wireless light-emitting device is powered by a standard near-field-communication system (13.56 MHz, 1 W) and retained a consistent operation under deformations including stretching (>200% uniaxial strain), twisting (180° twist), and bending (3.0 mm radius of curvature) while maintaining a high quality factor (q > 20). Suture-free conformal adhesion of the polydopamine-coated device to ex vivo animal tissues under mechanical deformations is also demonstrated. This technology offers a new capability for the design and fabrication of wireless biomedical devices requiring conformable tissue-device integration toward minimally invasive, imperceptible medical treatments
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|a Journal Article
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|a antennas
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|a direct ink writing
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|a liquid metals
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4 |
|a microchannels
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4 |
|a near-field-communication
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|a Metals
|2 NLM
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| 650 |
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7 |
|a Polymers
|2 NLM
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| 650 |
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7 |
|a polydopamine
|2 NLM
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| 650 |
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7 |
|a Indoles
|2 NLM
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| 700 |
1 |
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|a Zhou, Wenshen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ching, Terry
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Shao Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hashimoto, Michinao
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 26 vom: 23. Juli, Seite e2008062
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:26
|g day:23
|g month:07
|g pages:e2008062
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|u http://dx.doi.org/10.1002/adma.202008062
|3 Volltext
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