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A universal method for planar lipid bilayer formation by freeze and thaw


Sugihara, Kaori; Jang, Bumjin; Schneider, Manuel; Vörös, János; Zambelli, Tomaso (2012). A universal method for planar lipid bilayer formation by freeze and thaw. Soft Matter, 8(20):5525-5531.

Abstract

A procedure based on freezing and thawing was developed to induce the rupture of adsorbed lipid vesicles on solid surfaces into supported lipid bilayers (SLBs). The SLB assembly exploits the phase transition of both lipids and water during freezing. It enables SLB formation independent of the type of substrates and lipids as long as the vesicles spontaneously adsorb onto the surface. The created SLB is a single bilayer, and has a diffusion coefficient of (0.6–4) × 10−8 cm2 s−1 on TiO2, which is in the same range as the SLBs formed by conventional techniques. The presented approach has the advantages of both the Langmuir–Blodgett method (the versatility in the selection of lipids and substrates) and vesicle fusion (self-assembly) at the same time.

Abstract

A procedure based on freezing and thawing was developed to induce the rupture of adsorbed lipid vesicles on solid surfaces into supported lipid bilayers (SLBs). The SLB assembly exploits the phase transition of both lipids and water during freezing. It enables SLB formation independent of the type of substrates and lipids as long as the vesicles spontaneously adsorb onto the surface. The created SLB is a single bilayer, and has a diffusion coefficient of (0.6–4) × 10−8 cm2 s−1 on TiO2, which is in the same range as the SLBs formed by conventional techniques. The presented approach has the advantages of both the Langmuir–Blodgett method (the versatility in the selection of lipids and substrates) and vesicle fusion (self-assembly) at the same time.

Citations

7 citations in Web of Science®
7 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Language:English
Date:2012
Deposited On:21 Dec 2012 14:59
Last Modified:05 Apr 2016 16:11
Publisher:Royal Society of Chemistry (RSC)
Series Name:Soft Matter
ISSN:1744-683X
Publisher DOI:https://doi.org/10.1039/C2SM25148E

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