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. 2018 Aug 29;27(1):82–87. doi: 10.1016/j.jsps.2018.08.001

Table 2.

Kinetic modeling of diclofenac (DIC) release from different chitosan nanoparticles (CNPs).

Code Zero-order
 First order
 Higuchi
 Korsmeyer Peppas
R2 K R2 K R2 K R2 K n
Low −1.1903 14.677 0.5751 1.566 0.1928 37.797 0.9975 73.348 0.070
High −0.4429 12.864 0.4908 0.370 0.6051 32.690 0.9810 54.435 0.174

R2 is the coefficient of determination, K is the release rate constant for the respective model, and k is the release rate constants of respective equations.