Table 2.
Linear regression coefficients for the assessed release of CX from the polymeric preparations, assuming first-order process.
| Release rates | Release rates assessed at 22°C (min−1) | Release rates assessed at 37°C (min−1) | ||
|---|---|---|---|---|
| Preparation | 1st stage | 2nd stage | 1st stage | 2nd stage |
| pNIPAM-A-CX | 0.9737 | 0.9864 | 0.9897 | 0.9675 |
| pNIPAM-B-CX | 0.9780 | 0.9783 | 0.9941 | 0.9967 |
| pNIPAM-C-CX | 0.9670 | 0.9584 | 0.9823 | 0.9960 |
| MC-CX | 0.9884 | — | 0.9838 | — |
| PA-CX | 0.8585 | — | 0.6922 | — |
| H2O-CX | 0.9949 | — | 0.9761 | — |
pNIPAM-A-CX, pNIPAM-B-CX, pNIPAM-C-CX: preparations of respective polymers detailed in the text with chlorhexidine, MC-CX: preparation of methylcellulose and chlorhexidine, PA-CX: preparation of polyacrylic acid and chlorhexidine, and H2O-CX: aqueous dispersion of chlorhexidine, data from repeated six experiments.