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Biochim Biophys Acta. 1976 Jun 17;436(2):260-82.

Light scattering and turbidity measurements on lipid vesicles.


The dynamic behaviour of model membranes in the form of sonicated liposomes in excess water was studied by means of 90 degrees C light scattering and turbidity measurements. Computer calculations based on the Rayleigh-Gans theory of light scattering were used to estimate the average size of lipid vesicles dispersed in water, taking into account the various structures of the vesicles. Normal reversible changes in the scattered light intensity and turbidity with temperature could be accounted for mainly by the changes in the refractive index of the lipid and irreversible anomalous changes were explained on the basis of fusion of smaller aggregated vesicles.

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