Nuclear Magnetic Resonance Studies of Lecithin Bimolecular Leaflets with Incorporated Fluorescent Probes

Pulse Fourier transform proton magnetic resonance techniques have been used to determine (i) the precise location of four membrane fluorescent probe molecules in lipid bilayer model membranes above the gel-to-liquid crystal transition temperature, tm;; (ii) the dynamical perturbation of the host lip...

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Bibliographic Details
Published in:Proceedings of the National Academy of Sciences - PNAS 1977-03, Vol.74 (3), p.1032-1036
Main Authors: Podo, F., Blasie, J. K.
Format: Article
Language:English
Subjects:
Anisotropy
Chemical equilibrium
Fluorescent Dyes
Fourier Analysis
Functional groups
Magnetic Resonance Spectroscopy
Membrane Lipids
Membranes - ultrastructure
Membranes, Artificial
Models, Structural
Molecular probes
Molecules
Phosphatidylcholines
Proton magnetic resonance
Protons
Pulmonary Surfactants
Resonance lines
Spin lattice relaxation
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Summary:Pulse Fourier transform proton magnetic resonance techniques have been used to determine (i) the precise location of four membrane fluorescent probe molecules in lipid bilayer model membranes above the gel-to-liquid crystal transition temperature, tm;; (ii) the dynamical perturbation of the host lipid molecules induced by incorporation of the probe into the bilayer. The regions of maximal perturbation induced by these probes do not necessarily coincide with their actual location in the bilayer.
ISSN:0027-8424
1091-6490
DOI:10.1073/pnas.74.3.1032