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Lateral diffusion coefficients of raft lipids from pulsed field gradient NMR
Umeå University, Faculty of Science and Technology, Chemistry.
Umeå University, Faculty of Science and Technology, Chemistry.
2007 (English)In: Methods in Molecular Biology: Lipid Rafts, Humana Press Inc, Totowa, NJ , 2007Chapter in book (Refereed)
Abstract [en]

The pulsed field gradient-nuclear magnetic resonance diffusion technique has an appreciable potential for biophysical investigations in membrane biology, various lyotropic liquid crystals, and other complex fluid systems. In particular, topics like transport of molecules both across and within the plane of a lipid membrane can be successfully studied, as well as the formation of lipid domains and their intrinsic dynamics. The pulsed field gradient-nuclear magnetic resonance technique and the preparation of oriented samples for investigations of lipid lateral diffusion in macroscopically aligned bilayers, oriented by a goniometer probe in the main magnetic field, are described. Some recent results illustrating the potential of the method in detecting and characterizing domain formation are also presented.

Keywords: Lateral diffusion, PFG-NMR, phospholipids, cholesterol, lateral phase separation, domains, liquid-ordered phase, liquid-disordered phase

Place, publisher, year, edition, pages
Humana Press Inc, Totowa, NJ , 2007.
Identifiers
URN: urn:nbn:se:umu:diva-16145DOI: doi:10.1007/978-1-59745-513-8ISBN: 978-1-58829-729-7 (Print) 978-1-59745-513-8 (Online) OAI: oai:DiVA.org:umu-16145DiVA: diva2:155818
Note
Vol. 398, 127-42Available from: 2008-06-10 Created: 2008-06-10Bibliographically approved

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Publisher's full texthttp://www.springerlink.com/content/t865up481rw08506/?p=bd4d6faf7665478fb3a3bc698fcef475&pi=0

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