Light‐Activated Synthetic Rotary Motors in Lipid Membranes Induce Shape Changes Through Membrane Expansion
Abstract: Membranes are the key structures to separate and spatially organize cellular systems. Their rich dynamics and transformations during the cell cycle are orchestrated by specific membrane‐targeted molecular machineries, many of which operate through energy dissipation. Likewise, man‐made light‐activated molecular rotary motors have previously shown drastic effects on cellular systems, but their physical roles on and within lipid membranes remain largely unexplored. Here, the impact of rotary motors on well‐defined biological membranes is systematically investigated. Notably, dramatic mechanical transformations are observed in these systems upon motor irradiation, indicative of motor‐induced membrane expansion. The influence of several factors on this phenomenon is systematically explored, such as motor concentration and membrane composition., Membrane fluidity is found to play a crucial role in motor‐induced deformations, while only minor contributions from local heating and singlet oxygen generation are observed. Most remarkably, the membrane area expansion under the influence of the motors continues as long as irradiation is maintained, and the system stays out‐of‐equilibrium. Overall, this research contributes to a comprehensive understanding of molecular motors interacting with biological membranes, elucidating the multifaceted factors that govern membrane responses and shape transitions in the presence of these remarkable molecular machines, thereby supporting their future applications in chemical biology.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Light‐Activated Synthetic Rotary Motors in Lipid Membranes Induce Shape Changes Through Membrane Expansion ; day:18 ; month:01 ; year:2024 ; extent:14
Advanced materials ; (18.01.2024) (gesamt 14)
- Creator
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Qutbuddin, Yusuf
Guinart, Ainoa
Gavrilović, Svetozar
Al Nahas, Kareem
Feringa, Ben L.
Schwille, Petra
- DOI
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10.1002/adma.202311176
- URN
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urn:nbn:de:101:1-2024011914361744741733
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
- 15.08.2025, 7:36 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Qutbuddin, Yusuf
- Guinart, Ainoa
- Gavrilović, Svetozar
- Al Nahas, Kareem
- Feringa, Ben L.
- Schwille, Petra
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