Table 1. Comparison of the physical and chemical characteristics of blank and SL-loaded GSH/pH-NS.

Formulation	Average diameter ± SD (nm)	Polydispersity index	Zeta potential ± SD (mV)
Blank GSH/pH-NS	203.4 ± 12.3	0.20 ± 0.01	−31.5 ± 3.8
ST362-loaded GSH/pH-NS	219.8 ± 18.7	0.22 ± 0.02	−26.3 ± 2.5
MEB55-loaded GSH/pH-NS	217.3 ± 23.2	0.21 ± 0.02	−27.6 ± 2.3