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. 2015 Apr 7;10:2805–2814. doi: 10.2147/IJN.S67147

Table 1.

Size and PDI for the three preparation methods

Formulation code Method Composition (lipid:surfactant) Size PDI
M1 MET Stearic acid and Brij 98 (1:2) 53 nm 0.412
M2 HME Stearic acid and Brij 98 (1:2) 10.4 nm 0.214
M3 SEET Stearic acid, Tween 80, and lecithin (1:1:1) 7.8 nm 0.246

Abbreviations: PDI, polydispersity index; HME, Hot melt encapsulation technique; MET, microemulsification technique; SEET, solvent emulsification-evaporation technique.