Table 1

Polymer used	Preparation Method	Particle size (nm)	Polydispersity	Zeta potential (mV)
PLGA	O/W emulsion solvent evaporation method	209.1±1.0	0.050	-23.96±1.2
PLGA-PEG-FOL	O/W emulsion solvent evaporation method	200.9±0.1	0.180	-8.96±1.1
	W/O/W double emulsion solvent evaporation method	192.5±4.1	0.108	-15.2± 2.7
	Dialysis method	2504.9±208.5	0.249	-14.46±1.3

PLGA-PEG-FOL: poly(lactide-co-glycolide)-b-poly(ethylene glycol)-folate

Table 1: Particle size of nanoparticles prepared by various methods using PLGAPEG- FOL polymer.