Scattering from laterally heterogeneous vesicles. I. Model-independent analysis

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DOIResolve DOI: http://doi.org/10.1107/S0021889806035163
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TypeArticle
Journal titleJournal of applied crystallography
ISSN0021-8898
Volume39
Pages791796; # of pages: 6
AbstractThis is the first of a series of papers considering the scattering from laterally heterogeneous vesicles. Here, it is shown that contrast variation studies on unilamellar vesicles can be analyzed in a model-independent manner to detect lateral segregation in model membranes. In particular, it is demonstrated that the Porod invariant, Q = fq2I(q) dq, is related to the scattering length density contrast between compositionally distinct regions in a heterogeneous membrane. The formation of domains and the concomitant identification of phase boundaries as a function of either membrane composition or temperature can therefore be detected in the changes taking place in Q.
Publication date
AffiliationNational Research Council Canada; NRC Canadian Neutron Beam Centre
Peer reviewedNo
Identifier10006370
NPARC number12327960
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Record identifier958cf24c-faee-467b-99a5-fcfa1f1659df
Record created2009-09-10
Record modified2016-05-09
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