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Complex viscosity (η*), gel point, storage modulus (G′) and volume change of hyaluronan grafted poly(N-isoproprylacrylamide) (HA-pNIPAM) compositions in PBS
| Hydrogel | η* (Pa s, 2 Hz, 25°C) | Gel point (°C) | G′ (kPa, 2 Hz, 37°C) | Volume change (%, after 1 h) |
|---|---|---|---|---|
| HA-pNIPAM10 | 23.5 | –a | 0.005 | +56 |
| HA-pNIPAM20 | 4.6 | 30.6 | 0.14 | −0.2 |
| HA-pNIPAM35 | 10.8 | 31.0 | 16 | −47 |
aHA-pNIPAM10 composition did not show a clear and sharp LSCT as measured by Ultraviolet–visible spectroscopy
