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pH of blank and drug-loaded formulations at day 1 and at week 12.
| Formulation | pH (mean ± SD) | ||
|---|---|---|---|
| Blank formulation | Drug-loaded formulations at day 1 | Drug-loaded formulations at week 12 | |
| C1 | 3.07 ± 0.02 | 2.85 ± 0.03 | 2.90 ± 0.01 |
| G1 | 6.47 ± 0.09 | 4.95 ± 0.06 | 4.96 ± 0.04 |
| G5 | 6.39 ± 0.04 | 4.96 ± 0.04 | 5.05 ± 0.04 |
