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20231225150537.0 |
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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202003723
|2 doi
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|a pubmed24n1044.xml
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|a (DE-627)NLM313424306
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|a (NLM)32767395
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Pan, Liang
|e verfasserin
|4 aut
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| 245 |
1 |
2 |
|a A Compliant Ionic Adhesive Electrode with Ultralow Bioelectronic Impedance
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|c 2020
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 11.08.2021
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|a Date Revised 11.08.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Simultaneous implementation of high signal-to-noise ratio (SNR) but low crosstalk is of great importance for weak surface electromyography (sEMG) signals when precisely driving a prosthesis to perform sophisticated activities. However, due to gaps with the curved skin during muscle contraction, many electrodes have poor compliance with skin and suffer from high bioelectrical impedance. This causes serious noise and error in the signals, especially the signals from low-level muscle contractions. Here, the design of a compliant electrode based on an adhesive hydrogel, alginate-polyacrylamide (Alg-PAAm) is reported, which eliminates those large gaps through the strong electrostatic interaction and abundant hydrogen bond with the skin. The obtained compliant electrode, having an ultralow bioelectrical impedance of ≈20 kΩ, can monitor even 2.1% maximal voluntary contraction (MVC) of muscle. Furthermore, benefiting from the high SNR of >5:1 at low-level MVC, the crosstalk from irrelevant muscle is minimized through reducing the electrode size. Finally, a prosthesis is successfully demonstrated to precisely grasp a needle based on a 9 mm2 Alg-PAAm compliant electrode. The strategy to design such compliant electrodes provides the potential for improving the quality of dynamically weak sEMG signals to precisely control prosthesis in performing purposefully dexterous activity
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|a Journal Article
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|a bioelectronic impedance
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4 |
|a compliant electrodes
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| 650 |
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|a low noise
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| 650 |
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4 |
|a prosthetic control
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| 650 |
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4 |
|a surface electromyography
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| 650 |
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|a Acrylic Resins
|2 NLM
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| 650 |
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7 |
|a Alginates
|2 NLM
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| 650 |
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|a Hydrogels
|2 NLM
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| 650 |
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|a polyacrylamide
|2 NLM
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| 650 |
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7 |
|a 9003-05-8
|2 NLM
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| 700 |
1 |
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|a Cai, Pingqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mei, Le
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cheng, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zeng, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Ming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ji, Baohua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Dechang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Xiaodong
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 38 vom: 06. Sept., Seite e2003723
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
8 |
|g volume:32
|g year:2020
|g number:38
|g day:06
|g month:09
|g pages:e2003723
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| 856 |
4 |
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|u http://dx.doi.org/10.1002/adma.202003723
|3 Volltext
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|d 32
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|e 38
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|c 09
|h e2003723
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