Home > Documents in process > Kinetics of light-induced mesophase transitions in azobenzene amphiphiles containing lyotropic liquid crystals > print |
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100 | 1 | _ | |a Hövelmann, Svenja C. |0 0000-0001-5533-6714 |b 0 |e Corresponding author |
245 | _ | _ | |a Kinetics of light-induced mesophase transitions in azobenzene amphiphiles containing lyotropic liquid crystals |
260 | _ | _ | |a Copenhagen |c 2025 |b Munksgaard |
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520 | _ | _ | |a This study focuses on the kinetics of light-induced mesophase transitions in lyotropic liquid crystals containing a mixture of phospholipids and azobenzene amphiphiles. Lipid membranes organize in a wide range of morphologies, directly influencing their functionality and the efficiency of associated components such as proteins. Transitions between mesophases occur naturally during membrane fusion and can also be triggered by multiple factors, such as pH, salinity, temperature and light. Employing light to isomerize artificial photoswitchable lipids in mixed model membranes containing 1,2-dipalmitoylphosphatidylcholine or 1,2-didecanoylphosphatidylcholine revealed light-induced structural changes including mesophase transitions from a lamellar to a cubic Pn3m phase. Performing time-resolved small-angle X-ray scattering measurements, the kinetics of the change in membrane repeat distance and the transition from a lamellar to a bicontinuous cubic phase could be captured on the timescale of tens of seconds. The results demonstrate new possibilities for investigating intermediate states during mesophase transitions that are important to understand membrane fusion, and they highlight the potential of photoswitchable lipids for designing bespoke drug delivery systems. |
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700 | 1 | _ | |a Röhrl, Michael |b 1 |
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700 | 1 | _ | |a Murphy, Bridget M. |0 0000-0002-1354-2381 |b 11 |e Corresponding author |
773 | _ | _ | |a 10.1107/S1600576725004923 |g Vol. 58, no. 4, p. 1322 - 1331 |0 PERI:(DE-600)2020879-0 |n 4 |p 1322 - 1331 |t Journal of applied crystallography |v 58 |y 2025 |x 0021-8898 |
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