Table 1 Pparameters of the release Kinetic of povidone-iodine from Cu-L-AA@CMS composite
From: Copper-amino acid/Carboxymethyl starch composite for controllable releasing of povidone-iodine
Sample | Parameter | Blank | Cu-L- AA(10%)@CMS | Cu-L-AA(20%)@CMS | Cu-L-AA(30%)@CMS |
|---|---|---|---|---|---|
Zero order | K0 × 103 (mg.min-1) | 235.26 | 134.30 | 101.09 | 77.61 |
Q0 (mg) | 8.12 | 5.47 | 3.9 | 3.4 | |
R2 | 0.95 | 0.92 | 0.95 | 0.91 | |
First order | K1 × 103 (min-1) | 3.67 | 3.48 | 3.44 | 3.28 |
Q1 (mg) | 0.53 | 0.33 | 0.23 | 0.08 | |
R2 | 0.97 | 0.97 | 0.98 | 0.97 | |
Higuchi | KH (mg.min-0.5) | 6.75 | 3.83 | 2.88 | 2.21 |
R2 | 0.93 | 0.90 | 0.91 | 0.88 | |
Korsmeyer-Peppas | Kk (min-n) | 2.16 | 1.96 | 1.92 | 1.88 |
n | 3.49 | 3.44 | 3.40 | 3.31 | |
R2 | 0.98 | 0.97 | 0.97 | 0.95 |