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Title: Emergence of Dynamic Instability by Hybridizing Synthetic Self-Assembled Dipeptide Fibers with Surfactant Micelles
Authors: Torigoe, Shogo
Nagao, Kazutoshi
Kubota, Ryou
Hamachi, Itaru
Author's alias: 鳥越, 祥吾
長尾, 和俊
窪田, 亮
浜地, 格
Keywords: Equilibrium
Peptides and proteins
Issue Date: 6-Mar-2024
Publisher: American Chemical Society (ACS)
Journal title: Journal of the American Chemical Society
Volume: 146
Issue: 9
Start page: 5799
End page: 5805
Abstract: Supramolecular chemistry currently faces the challenge of controlling nonequilibrium dynamics such as the dynamic instability of microtubules. In this study, we explored the emergence of dynamic instability through the hybridization of peptide-type supramolecular nanofibers with surfactant micelles. Using real-time confocal imaging, we discovered that the addition of micelles to nanofibers induced the simultaneous but asynchronous growth and shrinkage of nanofibers during which the total number of fibers decreased monotonically. This dynamic phenomenon unexpectedly persisted for 6 days and was driven not by chemical reactions but by noncovalent supramolecular interactions between peptide-type nanofibers and surfactant micelles. This study demonstrates a strategy for inducing autonomous supramolecular dynamics, which will open up possibilities for developing soft materials applicable to biomedicine and soft robotics.
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in 'Journal of the American Chemical Society', copyright © 2024 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see
The full-text file will be made open to the public on February 26, 2025 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1021/jacs.3c14565
PubMed ID: 38407066
Appears in Collections:Journal Articles

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