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Science 21 January 1977:
Vol. 195. no. 4275, pp. 305 - 306
DOI: 10.1126/science.831279
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Articles

Science, Vol 195, Issue 4275, 305-306
Copyright © 1977 by American Association for the Advancement of Science

articles

Lateral diffusion in planar lipid bilayers

PF Fahey, DE Koppel, LS Barak, DE Wolf, EL Elson, and WW Webb

Direct measurements by fluorescence correlation spectroscopy of lateral diffusion coefficients of fluorescent lipid analogs in lipid bilaryer membranes indicate self-diffusion coefficients D greater than 10(-7) square centimeters per second for various lipid systems above their reported transition temperatures. Cholesterol in egg lecithin at mole ratio of 1 : 2 reduces D by about twofold, while retained hydrocarbon solvent can increase it by two- to threefold.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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J. Korlach, P. Schwille, W. W. Webb, and G. W. Feigenson (1999)
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Fluorescence correlation spectroscopy: Diagnostics for sparse molecules.
S. Maiti, U. Haupts, and W. W. Webb (1997)
PNAS 94, 11753-11757
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Fluorescence correlation analysis of probe diffusion simplifies quantitative pathogen detection by PCR.
N. G. Walter, P. Schwille, and M. Eigen (1996)
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Lateral transport of a lipid probe and labeled proteins on a cell membrane.
J Schlessinger, D Axelrod, D. Koppel, W. Webb, and E. Elson (1977)
Science 195, 307-309
   Abstract »    PDF »


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