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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202200261
|2 doi
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|a pubmed25n1123.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Li, Gang
|e verfasserin
|4 aut
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|a Highly Conducting and Stretchable Double-Network Hydrogel for Soft Bioelectronics
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|c 2022
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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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| 500 |
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|a Date Completed 15.04.2022
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|a Date Revised 15.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Conducting polymer hydrogels are promising materials in soft bioelectronics because of their tissue-like mechanical properties and the capability of electrical interaction with tissues. However, it is challenging to balance electrical conductivity and mechanical stretchability: pure conducting polymer hydrogels are highly conductive, but they are brittle; while incorporating the conducting network with a soft network to form a double network can improve the stretchability, its electrical conductivity significantly decreases. Here, the problem is addressed by concentrating a poorly crosslinked precursor hydrogel with a high content ratio of the conducting polymer to achieve a densified double-network hydrogel (5.5 wt% conducting polymer), exhibiting both high electrical conductivity (≈10 S cm-1 ) and a large fracture strain (≈150%), in addition to high biocompatibility, tissue-like softness, low swelling ratio, and desired electrochemical properties for bioelectronics. A surface grafting method is further used to form an adhesive layer on the conducting hydrogel, enabling robust and rapid bonding on the tissues. Furthermore, the proposed hydrogel is applied to show high-quality physiological signal recording and reliable, low-voltage electrical stimulation based on an in vivo rat model. This method provides an ideal strategy for rapid and reliable tissue-device integration with high-quality electrical communications
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|a Journal Article
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|a PEDOT:PSS
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|a conducting polymers
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|a double-network hydrogels
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|a electrode-tissue integration
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4 |
|a in situ aggregation
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|a Adhesives
|2 NLM
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| 650 |
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|a Hydrogels
|2 NLM
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| 650 |
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7 |
|a Polymers
|2 NLM
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| 700 |
1 |
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|a Huang, Kaixi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deng, Jue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Mengxue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cai, Minkun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Chuan Fei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 15 vom: 15. Apr., Seite e2200261
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
8 |
|g volume:34
|g year:2022
|g number:15
|g day:15
|g month:04
|g pages:e2200261
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| 856 |
4 |
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|u http://dx.doi.org/10.1002/adma.202200261
|3 Volltext
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