when examined with the probe 1,6-diphenyl-1,3,5-hexatriene , which can penetrate the plasma membrane and intercalate in the lipids of both leaflets of the plasma membrane , as well as in organellar membranes , r-55 cells were found to have higher fluorescence anisotropy values , indicative of decreased lipid fluidity , as compared to hl-60 cells .
C0007603
plasma membrane
C0007634
cells