Table 1.

Characterization of the different formulations developed.

Formulation Number	Polymer Used	Surfactant	Average Size (nm)	Polydispersity Index (PI)	Zeta Potential (ZP, mV)	EE (%)
1	PLGA 503 H	PVA	234.1 ± 0.5	0.081 ± 0.009	−12.2 ± 1.3	93.4
2		Tween80®	146.0 ± 0.6	0.054 ± 0.008	−25.2 ± 0.6	87.5
3		Lutrol	159.5 ± 0.8	0.058 ± 0.021	−26.0 ± 0.1	85.1
4	PLGA-5%	PVA	167.1 ± 1.1	0.080 ± 0.012	−11.8 ± 0.9	95.0
5		Tween80®	138.4 ± 1.3	0.072 ± 0.015	−14.1 ± 1.1	91.5
6		Lutrol	154.2 ± 1.9	0.063 ± 0.015	−18.7 ± 1.4	93.8
7	PLGA 10%	PVA	140.9 ± 1.0	0.055 ± 0.023	−16.7 ± 0.7	99.0
8		Tween80®	119.2 ± 1.0	0.074 ± 0.008	−21.2 ± 0.6	99.2
9		Lutrol	120.7 ± 0.8	0.071 ± 0.008	−23.1 ± 1.8	91.5
10	PLGA 15%	PVA	156.4 ± 0.8	0.078 ± 0.008	−16.2 ± 0.7	92.2
11		Tween80®	143.0 ± 0.5	0.062 ± 0.006	−21.4 ± 0.8	93.4
12		Lutrol	155.2 ± 1.1	0.076 ± 0.012	−22.5 ± 0.5	94.0