Abstract

We present the study of interaction of fluorescein derivatives, MitoFluo and C 8 -Fl with two types of liposomes modeling cellular and mitochondrial membranes. Polarization anisotropy, fluorescence lifetimes, and rotational diffusion times have been determined from time-resolved polarized fluorescence experiments. The analysis of the experimental results has shown that both fluorescein derivatives interact with liposomes and that MitoFluo embeds in liposomes more effectively than C 8 -Fl.

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