Table 2.

Vesicle characterization. Nio, pH-Tw20Gly niosomes; NioIbu, pH-Tw20Gly niosomes loaded with a 5% Ibuprofen Hepes solution.

Niosomes	Diameter (nm)	AFM Diameter (nm)	ζ Potential (mV)	Polydispersity Index	Fluorescence Anisotropy (AU)	Loaded Drug Conc. (mg/mL)
Nio	215.0 ± 3.0	152 ± 18	−41.0 ± 1.2	0.160 ± 0.08	0.17 ± 0.01	–
NioIbu 5%	122.1 ± 19.6	89 ± 24	−40.2 ± 0.1	0.404 ± 0.05	0.20 ± 0.04	0.37 ± 0.05