Table 3.

Di-8-ANEPPS fluorescence intensity ratio and dipole potential of POPC bilayers in aqueous solutions containing 1 mmol/L NaCl and 200 mmol/L glucose, fructose or sucrose; control samples are measured in bidistilled water and in 1 mmol/L NaCl; fluorescence excited at 420 and 520 nm and detected at 670 nm.

Sample	POPC		SOPC
	Rex	${\mathbf{\Psi }}_{\mathit{d}}\left(\mathbf{mV}\right)$	Rex	${\mathbf{\Psi }}_{\mathit{d}}\left(\mathbf{mV}\right)$
H2O, bidistilled	1.798 ± 0.002	488	1.789 ± 0.002	486
1 mM NaCl	1.800 ± 0.002	488	1.794 ± 0.001	487
200 mM Glucose, 1 mM NaCl	1.806 ± 0.004	490	1.797 ± 0.002	488
200 mM Fructose, 1 mM NaCl	1.804 ± 0.002	489	1.795 ± 0.003	487
200 mM Sucrose, 1 mM NaCl	1.807 ± 0.002	490	1.796 ± 0.001	487