Table 1. The characterization of NGR-SSL-CA4 (n = 3).

Liposomes	Particle size (nm)	Polydensity index	Zeta potential (mV)	Encapsulation efficiency (%)
SSL-CA4	119.7 ± 2.89	0.293 ± 0.002	−22.1 ± 0.21	88.47 ± 7.49
NGR-SSL-CA4	120.0 ± 3.33	0.287 ± 0.007	−15.6 ± 0.27	88.87 ± 3.39