Table 1:

Characteristics of Liposome-pDNA: particle size, zeta potential, PDI

Liposomes	Particle size (nm)	PDIa	Zeta potential (mV)
Plain-liposome
pGFP	158.1±1.55	0.084±0,04	17.8±1.93
Pβgal	157.7±2.93	0.118±0,03	31.9±1.36
Tf-liposome
pGFP	156.2±1.91	0.113±0.04	10.6±1.20
Pβgal	164.2±5.84	0.137±0.01	9.41±0.18
Pen-liposome
pGFP	157.7±2.12	0.075±0.03	24.7±2.81
Pβgal	156.9±1.97	0.126±0.04	23.3±0.93
PenTf-liposome
pGFP	155.9±5.84	0.038±0.02	32.5±1.25
Pβgal	156.2±1.84	0.085±0.06	19.5±1.22

Data are presented as mean ± SD from four different preparations.

^aPDI: polydispersity index