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The thickness of hydrogel films before and after swelling.
| Hydrogel system | Thickness (mm) | |
|---|---|---|
| Before swelling | After swelling | |
|
Gantrez® S-97-PEG
10,000 |
0.84 ± 0.05 | 0.98 ± 0.03 |
| PVP-PVA citric acid | 0.88 ± 0.03 | 1.03 ± 0.02 |
|
Gantrez® S-97-PEG
10,000-sorbitol |
0.88 ± 0.06 | 1.13 ± 0.06 |
