Table 1. Surface Properties of PEG and PPG Hydrogels.
| property | PEG hydrogel | PPG hydrogel |
|---|---|---|
| bulk concentration, g/L | 1.5 | 1.5 |
| surface tension, mN/m | 36.58 | 33.01 |
| Γm × 1010, mol/cm2 | 1.567 | 1.529 |
| Am, nm2 | 0.1058 | 0.1088 |
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