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240119s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202311293
|2 doi
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|a pubmed24n1395.xml
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|a (NLM)38236822
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|a eng
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|a Daou, Dania
|e verfasserin
|4 aut
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| 245 |
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|a Out-of-Equilibrium Mechanical Disruption of β-Amyloid-Like Fibers using Light-Driven Molecular Motors
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|c 2024
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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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|a Date Revised 02.05.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.
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|a Artificial molecular motors have the potential to generate mechanical work on their environment by producing autonomous unidirectional motions when supplied with a source of energy. However, the harnessing of this mechanical work to subsequently activate various endoenergetic processes that can be useful in materials science remains elusive. Here, it is shown that by integrating a light-driven rotary motor through hydrogen bonds in a β-amyloid-like structure forming supramolecular hydrogels, the mechanical work generated during the constant rotation of the molecular machine under UV irradiation is sufficient to disrupt the β-amyloid fibers and to trigger a gel-to-sol transition at macroscopic scale. This melting of the gel under UV irradiation occurs 25 °C below the temperature needed to melt it by solely using thermal activation. In the dark, a reversible sol-gel transition is observed as the system fully recovers its original microstructure, thus illustrating the possible access to new kinds of motorized materials that can be controlled by advanced out-of-equilibrium thermodynamics
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|a Journal Article
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|a hydrogels
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|a molecular machines
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|a molecular motors
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|a out‐of‐equilibrium systems
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| 650 |
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|a responsive materials
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| 650 |
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|a β‐amyloid structures
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1 |
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|a Zarate, Yohan
|e verfasserin
|4 aut
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|a Maaloum, Mounir
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Collin, Dominique
|e verfasserin
|4 aut
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|a Fleith, Guillaume
|e verfasserin
|4 aut
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| 700 |
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|a Constantin, Doru
|e verfasserin
|4 aut
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|a Moulin, Emilie
|e verfasserin
|4 aut
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|a Giuseppone, Nicolas
|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 36(2024), 18 vom: 02. Mai, Seite e2311293
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:18
|g day:02
|g month:05
|g pages:e2311293
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|u http://dx.doi.org/10.1002/adma.202311293
|3 Volltext
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