Table 2.
Surface element percentages and stiffness of the SP scaffold before and after PDA coating.
| Atomic concentration (%) C 1s O 1s N 1s | Stiffness (MPa) | |||
|---|---|---|---|---|
| Before | 79.3 | 20.7 | 0 | 141.4 ± 9.2 |
| After | 76.1 | 17.0 | 6.9 | 121.0 ± 1.8 |
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