Table 1.

Characteristics of the liposomes.

Sample ID	Liposomes components (mol ratio of total lipid)	Diameter (nm)	Polydispersity index	EE (%)
N-LS	HSPC/Chol/DSPE-PEG2000 (50:36:14)	95.82 ± 0.13	0.09 ± 0.01	93.4 ± 1.9
A-LS	HSPC/Chol/DSPE-PEG2000/DSPE-PEG2000-Asp8 (50:36:4:10)	96.21 ± 0.12	0.10 ± 0.02	91.7 ± 1.2
F-LS	HSPC/Chol/DSPE-PEG2000/DSPE-PEG2000-Folate (50:36:13:1)	96.14 ± 0.15	0.09 ± 0.01	94.5 ± 1.8
A/F-LS	HSPC/Chol/DSPE-PEG2000/DSPE-PEG2000-Asp8/DSPE-PEG2000-Folate (50:36:3:10:1)	96.61 ± 0.11	0.11 ± 0.01	92.2 ± 2.1

The data are expressed as the mean ± SD for three different preparations (n = 3).