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Issue 6, 2016
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Determination of mosaicity in oriented stacks of lipid bilayers

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Abstract

Two methods of measuring the misorientation of domains in oriented multilamellar stacks of lipid bilayers superficially appeared to give different values for the mosaic spread. It is first shown that the traditional rocking method and a newer ring method give the same value of the mosaic spread when the two types of data are similarly analyzed. Both indicate a long-tailed, nearly Lorentzian, mosaic distribution function. Our primary innovation is the analysis of ring data as a function of the rocking angle. For our best oriented DOPC sample, this analysis is consistent with a single Lorentzian mosaic distribution function with width 0.05°. In contrast, samples of DMPC indicate a more complex mosaic distribution and larger widths.

Graphical abstract: Determination of mosaicity in oriented stacks of lipid bilayers

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Publication details

The article was received on 15 Sep 2015, accepted on 01 Dec 2015 and first published on 01 Dec 2015


Article type: Paper
DOI: 10.1039/C5SM02336J
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Citation: Soft Matter, 2016,12, 1884-1891

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    Determination of mosaicity in oriented stacks of lipid bilayers

    J. F. Nagle, K. Akabori, B. W. Treece and S. Tristram-Nagle, Soft Matter, 2016, 12, 1884
    DOI: 10.1039/C5SM02336J

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