Order from Disorder with Intrinsically Disordered Peptide Amphiphiles
Amphiphilic molecules and their self-assembled structures have long been the target of extensive research due to their potential applications in fields ranging from materials design to biomedical and cosmetic applications. Increasing demands for functional complexity have been met with challenges in biochemical engineering, driving researchers to innovate in the design of new amphiphiles. An emerging class of molecules, namely, peptide amphiphiles, combines key advantages and circumvents some of the disadvantages of conventional phospholipids and block copolymers. Herein, we present new peptide amphiphiles composed of an intrinsically disordered peptide conjugated to two variants of hydrophobic dendritic domains. These molecules, termed intrinsically disordered peptide amphiphiles (IDPA), exhibit a sharp pH-induced micellar phase-transition from low-dispersity spheres to extremely elongated worm-like micelles. We present an experimental characterization of the transition and propose a theoretical model to describe the pH-response. We also present the potential of the shape transition to serve as a mechanism for the design of a cargo hold-and-release application. Such amphiphilic systems demonstrate the power of tailoring the interactions between disordered peptides for various stimuli-responsive biomedical applications.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:143 |
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| Enthalten in: |
Journal of the American Chemical Society - 143(2021), 30 vom: 04. Aug., Seite 11879-11888 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jacoby, Guy [VerfasserIn] |
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| Links: |
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| Themen: |
Intrinsically Disordered Proteins |
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| Anmerkungen: |
Date Completed 09.02.2022 Date Revised 03.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/jacs.1c06133 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Amphiphilic molecules and their self-assembled structures have long been the target of extensive research due to their potential applications in fields ranging from materials design to biomedical and cosmetic applications. Increasing demands for functional complexity have been met with challenges in biochemical engineering, driving researchers to innovate in the design of new amphiphiles. An emerging class of molecules, namely, peptide amphiphiles, combines key advantages and circumvents some of the disadvantages of conventional phospholipids and block copolymers. Herein, we present new peptide amphiphiles composed of an intrinsically disordered peptide conjugated to two variants of hydrophobic dendritic domains. These molecules, termed intrinsically disordered peptide amphiphiles (IDPA), exhibit a sharp pH-induced micellar phase-transition from low-dispersity spheres to extremely elongated worm-like micelles. We present an experimental characterization of the transition and propose a theoretical model to describe the pH-response. We also present the potential of the shape transition to serve as a mechanism for the design of a cargo hold-and-release application. Such amphiphilic systems demonstrate the power of tailoring the interactions between disordered peptides for various stimuli-responsive biomedical applications | ||
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| 700 | 1 | |a Ehm, Tamara |e verfasserin |4 aut | |
| 700 | 1 | |a Abutbul Ionita, Inbal |e verfasserin |4 aut | |
| 700 | 1 | |a Shinar, Hila |e verfasserin |4 aut | |
| 700 | 1 | |a Azoulay-Ginsburg, Salome |e verfasserin |4 aut | |
| 700 | 1 | |a Zemach, Ido |e verfasserin |4 aut | |
| 700 | 1 | |a Koren, Gil |e verfasserin |4 aut | |
| 700 | 1 | |a Danino, Dganit |e verfasserin |4 aut | |
| 700 | 1 | |a Kozlov, Michael M |e verfasserin |4 aut | |
| 700 | 1 | |a Amir, Roey J |e verfasserin |4 aut | |
| 700 | 1 | |a Beck, Roy |e verfasserin |4 aut | |
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