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Compositions of unloaded hydrogel mixtures.
| Patch | AG/PVP (w/w) | AG (% wt) |
PVP (%) |
Glycerol (% wt) |
Water (% wt) |
|---|---|---|---|---|---|
| A | 9.5:0.5 | 4.75 | 0.50 | 3.00 | 91.75 |
| B | 9.0:1.0 | 4.50 | 1.00 | 3.00 | 91.50 |
| C | 8.5:1.5 | 4.25 | 1.50 | 3.00 | 91.25 |
| D | 7.5:2.5 | 3.75 | 2.50 | 3.00 | 90.75 |
