Fig. 1

Response surface 3D plots, Effect of surfactant, solid lipid and drug on particle size (A I, II, III); Zeta potential (B I, II, III); and entrapment efficiency (C I, II, III)
Response surface 3D plots, Effect of surfactant, solid lipid and drug on particle size (A I, II, III); Zeta potential (B I, II, III); and entrapment efficiency (C I, II, III)