Ibuprofen Release from Poly(ethyl cyanoacrylate) Nanoparticles Prepared by Semicontinuous Heterophase Polymerization

Figure 6

Curve fitting to the release of ibuprofen from nanoparticles prepared at F1/5/1 conditions: equations of (△) Higuchi, (○) Korsmeyer-Peppas, and (□) Hixson; the line represents Weibull equation and (●) the experimental data.