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Issue 19, 2013
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Thermal migration of molecular lipid films as a contactless fabrication strategy for lipidnanotube networks

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Abstract

We demonstrate the contactless generation of lipid nanotube networks by means of thermally induced migration of flat giant unilamellar vesicles (FGUVs), covering micro-scale areas on oxidized aluminum surfaces. A temperature gradient with a reach of 20 μm was generated using a focused IR laser, leading to a surface adhesion gradient, along which FGUVs could be relocated. We report on suitable lipid–substrate combinations, highlighting the critical importance of the electrostatic interactions between the engineered substrate and the membrane for reversible migration of intact vesicles.

Graphical abstract: Thermal migration of molecular lipid films as a contactless fabrication strategy for lipid nanotube networks

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Submitted
27 Mar 2013
Accepted
21 Jun 2013
First published
26 Jun 2013

Lab Chip, 2013,13, 3822-3826
Article type
Technical Innovation

Thermal migration of molecular lipid films as a contactless fabrication strategy for lipid nanotube networks

I. Gözen, M. Shaali, A. Ainla, B. Örtmen, I. Põldsalu, K. Kustanovich, G. D. M. Jeffries, Z. Konkoli, P. Dommersnes and A. Jesorka, Lab Chip, 2013, 13, 3822
DOI: 10.1039/C3LC50391G

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