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Post-Assembly Filling of Supported Lipid Bilayers by Soluble Lipid Derivatives

Authors
Chung, MinsubKim, BumsangWon, Jong-In
Issue Date
Aug-2016
Publisher
WILEY-V C H VERLAG GMBH
Keywords
Supported lipid bilayers; Dye-labeled lipids; Defects; Self-quenching
Citation
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.37, no.8, pp.1354 - 1359
Journal Title
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
Volume
37
Number
8
Start Page
1354
End Page
1359
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/7522
DOI
10.1002/bkcs.10873
ISSN
0253-2964
Abstract
Supported lipid bilayers (SLB) are widely used model biological membranes formed on glass or silica surfaces. Though subtle differences from the properties of free-standing membranes have been reported, its integrity and completeness is seldom questioned. In this report, we show that several different molecules, including some dye-labeled lipids, can insert from water into preformed and seemingly complete bilayers. The amount of insertion and the bilayer properties after filling were analyzed by a fluorescence bleaching/quenching experiment. The nature of this post-assembly saturation of SLB is discussed and supported by comparative experiments. This counter-intuitive but very reproducible result may help to further understand this model bilayer system.
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