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Correlation coefficients (R2), and rate constants (k) obtained by fitting the levodopa release data for the nanocomposite in solutions at pH 4.8 and 7.4
| pH | Saturation release (%) | R2
|
Pseudo-second order
|
||
|---|---|---|---|---|---|
| Pseudo-first order | Pseudo-second order | Parabolic diffusion model | Rate constant k (mg/min) × 10−5 | ||
| 7.4 | 76% | 0.9839 | 0.9988 | 0.8682 | 2.85 |
| 4.8 | 74% | 0.9845 | 0.9952 | 0.8838 | 4.29 |
