Table 3.
Viscosity values and rheological synergism of 1% (m/v) polymer sample with or without mucin solution. Measurements were carried out immediately after suspending (0 h) and after an equilibration period of 60 min. Indicated values are means ± SD of at least three experiments.
| Polymer | Apparent viscosity η (mPa s) |
|||
|---|---|---|---|---|
| 0 h |
1 h |
|||
| Without mucin | With mucin | Without mucin | With mucin | |
| Mucin | 8.6 ± 0.8 | – | 8.9 ± 1.1 | – |
| CS | 14.6 ± 3.2 | 15.4 ± 3.1 | 14.9 ± 3.1 | 16.6 ± 5.1 |
| CS-TGA-340 | 11.4 ± 1.2 | 23.7 ± 4.2** | 15.9 ± 2.2 | 36.7 ± 6.2** |
| CS-TGA-660 | 14.9 ± 1.9 | 15.6 ± 3.2 | 23.1 ± 4.9 | 63.1 ± 8.8** |
| CS-TGA-980 | 15.6 ± 3.2 | 38.8 ± 1.8** | 24.5 ± 6.3 | 113.6 ± 11.8*** |
| TGA-MNA-340 | 29.6 ± 2.5 | 70.6 ± 8.3** | 30.6 ± 3.2 | 81.4 ± 8.2** |
| TGA-MNA-660 | 80.4 ± 9.2 | 165.6 ± 13.2** | 81.4 ± 9.2 | 341.8 ± 23.8*** |
| TGA-MNA-980 | 93.2 ± 3.8 | 177.9 ± 13.9** | 92.5 ± 13.4 | 438.7 ± 33.9*** |
**
p < 0.01, compared to polymer without mucin.
***
p < 0.01, compared to polymer without mucin.