From:  Osimertinib nano-niosomes: surfactant effects, release kinetics, and cytotoxicity studies

 Correlation coefficients (R2) for mathematical models fitted to osimertinib release from niosomal formulations.

ModelF1 (Span 60) R2F2 (Tween 60) R2F3 (Pluronic F-127) R2F4 (Brij 52) R2
Zero-order0.920.940.890.98
First-order0.880.900.860.89
Higuchi0.970.950.970.96
Korsmeyer–Peppas0.960.940.960.94
Hixson–Crowell0.850.880.840.87