Table 1. Characterization data (average size, PDI, surface charge and percent encapsulation efficiency) for anionic cy5-labeled ovalbumin liposomes, cationic Cy5-labeled ovalbumin and cationic unlabeled ovalbumin liposomes (n = 3).

Liposome sample	Average size (nm)	Polydispersity index (PDI)	Average charge (mV)	Percent encapsulation efficiency
Anionic cy5-labeled ovalbumin liposomes	148.9 ± 1.3	0.2 ± 0.08	-1.7 ± 0.01	73.7 ± 13.7
Cationic cy5-labeled ovalbumin liposomes	181.8 ± 12.2	0.3 ± 0.05	+ 30.3 ± 1.2	97 ± 0.2
Cationic unlabeled ovalbumin liposomes	221.6 ± 22.8	0.2 ± 0.3	+22.7 ± 1.5	85 ± 0.2