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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202107857
|2 doi
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|a pubmed24n1116.xml
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|a (DE-627)NLM335000193
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|a (NLM)34964189
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhao, Dawei
|e verfasserin
|4 aut
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|a A Stiffness-Switchable, Biomimetic Smart Material Enabled by Supramolecular Reconfiguration
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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
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|2 rdacarrier
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|a Date Completed 11.03.2022
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|a Date Revised 11.03.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a In nature, stiffness-changing behavior is essential for living organisms, which, however, is challenging to achieve in synthetic materials. Here, a stiffness-changing smart material, through developing interchangeable supramolecular configurations inspired from the dermis of the sea cucumber, which shows extreme, switchable mechanical properties, is reported. In the hydrated state, the material, possessing a stretched, double-stranded supramolecular network, showcases a soft-gel behavior with a low stiffness and high pliability. Upon the stimulation of ethanol to transform into the coiled supramolecular configuration, it self-adjusts to a hard state with nearly 500-times enhanced stiffness from 0.51 to 243.6 MPa, outstanding load-bearing capability (over 35 000 times its own weight), and excellent puncture/impact resistance with a specific impact strength of ≈116 kJ m-2 (g cm-3 )-1 (higher than some metals and alloys such as aluminum, and even comparable to the commercially available protective materials such as D3O and Kevlar). Moreover, this material demonstrates reconfiguration-dependent self-healing behavior and designable formability, holding great promise in advanced engineering fields that require both high-strength durability and good formability. This work may open up a new perspective for the development of self-regulating materials from supramolecular-scale configuration regulation
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|a Journal Article
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|a biomimetic strategies
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|a cellulose
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|a smart materials
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|a supramolecular reconfiguration
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4 |
|a switchable properties
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1 |
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|a Pang, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cheng, Wanke
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Kaiyue
|e verfasserin
|4 aut
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| 700 |
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|a Ye, Dongdong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Si, Chuanling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Guangwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Chaoji
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Haipeng
|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 34(2022), 10 vom: 07. März, Seite e2107857
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:10
|g day:07
|g month:03
|g pages:e2107857
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|u http://dx.doi.org/10.1002/adma.202107857
|3 Volltext
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