表 1. Water contact angles of different surfaces.
各步接枝表面接触角数值
| 表面 | 接触角/（°） |
| G-OH | 42.8 ± 1.2 |
| G-NH2 | 71.1 ± 2.2 |
| G-Br | 79.3 ± 1.1 |
| G-PEGMA | 63.4 ± 1.0 |
| G-PEGMA-GMA | 74.6 ± 0.9 |
| G-PEGMA-GMA-REDV | 55.1 ± 1.6 |
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