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Biophysical Journal logoLink to Biophysical Journal
. 1977 Apr;18(1):23–28. doi: 10.1016/S0006-3495(77)85593-8

Thermal excitations of a bilipid membrane.

E F Grabowski, J A Cowen
PMCID: PMC1473266  PMID: 851573

Abstract

Propagating modes of vibration of a bilipid membrane have been detected with light beating spectroscopy. The dependence of omega on q is consistent with a model of a fluid film of surface tension sigma = 2.5 +/- 0.5 dyn cm-1 surrounded by a medium with rho = 1 g cm-3 and eta = 1.01 X 10(-2) P.

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