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Issue 17, 2015
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Jumping acoustic bubbles on lipid bilayers

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Abstract

In the context of sonoporation, we use supported lipid bilayers as a model for biological membranes and investigate the interactions between the bilayer and microbubbles induced by ultrasound. Among the various types of damage caused by bubbles on the surface, our experiments exhibit a singular dynamic interaction process where bubbles are jumping on the bilayer, forming a necklace pattern of alteration on the membrane. This phenomenon was explored with different time and space resolutions and, based on our observations, we propose a model for a microbubble subjected to the combined action of van der Waals, acoustic and hydrodynamic forces. Describing the repeated jumps of the bubble, this model explains the lipid exchanges between the bubble and bilayer.

Graphical abstract: Jumping acoustic bubbles on lipid bilayers

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Publication details

The article was received on 19 Feb 2015, accepted on 11 Mar 2015 and first published on 11 Mar 2015


Article type: Paper
DOI: 10.1039/C5SM00427F
Author version available: Download Author version (PDF)
Citation: Soft Matter, 2015,11, 3460-3469
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    Jumping acoustic bubbles on lipid bilayers

    C. Der Loughian, P. Muleki Seya, C. Pirat, C. Inserra, J. Béra and J. Rieu, Soft Matter, 2015, 11, 3460
    DOI: 10.1039/C5SM00427F

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