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Surface roughness parameters (Ra, Rz) of PLGA and PLGA/S-BG composites (mean ± S.D.)
| PLGA | PLGA/S2-12 | PLGA/S2-21 | PLGA/S2-33 | PLGA/A2-12 | PLGA/A2-21 | PLGA/A2-33 | |
|---|---|---|---|---|---|---|---|
| Ra (μm) | 1.54 ± 0.28 | 0.59 ± 0.08 | 0.8 ± 0.1 | 1.5 ± 1.5 | 0.75 ± 0.07 | 1.6 ± 0.1 | 1.7 ± 0.1 |
| Rz (μm) | 1.15 ± 0.81 | 5.30 ± 0.68 | 7.4 ± 1.0 | 13.7 ± 1.6 | 6.7 ± 1.1 | 11.8 ± 1.4 | 12.7 ± 1.1 |
