Table 1. Composition and Physicochemical Characteristics of All Used Liposomes.

sample	compositiona	Rh/nm	Rg/nm	ρ ratiobRg/Rh	PD.I.c	ζ-potential/mV
L-un	55 mol % EPC, 45 mol % Chol	86 ± 9	81 ± 8	0.94	0.08 ± 0.03	–20 ± 1
L-PEG	50 mol % EPC, 45 mol % Chol, 5 mol % mPEG-DSPE	61 ± 6	68 ± 7	1.15	0.10 ± 0.03	–26 ± 1
L-hbPG	50 mol % EPC, 45 mol % Chol, 5 mol % hbPG	91 ± 9	94 ± 9	1.03	0.13 ± 0.06	–21 ± 1

^aAbbreviations see Figure 2.

^bρ ratio equals 1 for hollow spheres.

^cPD.I. The cumulant analysis of the autocorrelation function at a scattering angle of 90° reveals the given PD.I.s.