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Values of the correlation coefficient and release exponent obtained for mathematical models applied to DOX release from chitosan nanoparticles.
| Zero-order | First-order | Higuchi | Korsmeyer-Peppas | ||
|---|---|---|---|---|---|
| R2 | R2 | R2 | R2 | n | |
| pH: 4.5 | 0.7570 | 0.8469 | 0.9243 | 0.9878 | 0.2472 |
| pH: 5.5 | 0.7788 | 0.8152 | 0.9378 | 0.9862 | 0.3267 |
| pH: 6.5 | 0.7847 | 0.7996 | 0.9367 | 0.9787 | 0.3773 |
| pH: 7.4 | 0.7689 | 0.7790 | 0.9306 | 0.9814 | 0.3267 |
