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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202212046
|2 doi
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|a pubmed24n1235.xml
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|a (NLM)36965152
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Aziz, Shazed
|e verfasserin
|4 aut
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|a Plant-Like Tropisms in Artificial Muscles
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|c 2023
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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
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|2 rdacarrier
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|a Date Completed 22.12.2023
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|a Date Revised 22.12.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Helical plants have the ability of tropisms to respond to natural stimuli, and biomimicry of such helical shapes into artificial muscles has been vastly popular. However, the shape-mimicked actuators only respond to artificially provided stimulus, they are not adaptive to variable natural conditions, thus being unsuitable for real-life applications where on-demand, autonomous operations are required. Novel artificial muscles made of hierarchically patterned helically wound yarns that are self-adaptive to environmental humidity and temperature changes are demonstrated here. Unlike shape-mimicked artificial muscles, a unique microstructural biomimicking approach is adopted, where the muscle yarns can effectively replicate the hydrotropism and thermotropism of helical plants to their microfibril level using plant-like microstructural memories. Large strokes, with rapid movement, are obtained when the individual microfilament of yarn is inlaid with hydrogel and further twisted into a coil-shaped hierarchical structure. The developed artificial muscle provides an average actuation speed of ≈5.2% s-1 at expansion and ≈3.1% s-1 at contraction cycles, being the fastest amongst previously demonstrated actuators of similar type. It is demonstrated that these muscle yarns can autonomously close a window in wet climates. The building block yarns are washable without any material degradation, making them suitable for smart, reusable textile and soft robotic devices
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|a Journal Article
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|a artificial muscles
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| 650 |
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|a biomimicked technology
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| 650 |
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|a hydrogels
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| 650 |
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4 |
|a smart devices
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| 650 |
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4 |
|a soft actuators
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| 650 |
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4 |
|a soft robotics
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| 650 |
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4 |
|a textile yarns
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| 700 |
1 |
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|a Zhang, Xi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Naficy, Sina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Salahuddin, Bidita
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jager, Edwin W H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Zhonghua
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 51 vom: 25. Dez., Seite e2212046
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|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:51
|g day:25
|g month:12
|g pages:e2212046
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|u http://dx.doi.org/10.1002/adma.202212046
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