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Effect of various processing parameters on the particle size (nm) and entrapment efficiencies (EE%) of nanoparticles, including the amount of poly-(lactic-co-glycolic) acid (PLGA) (a), the volume of acetone (b), the pH (c) and volume (d) of inner aqueous phase, the concentration (e) and volume (f) of poly (vinyl alcohol) (PVA), and the sonication time of W1/O (g) and W1/O/W2 (h). (n = 3).
