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Characterization of bFGF-Encapsulated PLGA Microspheres Prepared with the Double Emulsion Method
| Group | Theoretical bFGF content (%) | Microsphere recovery (%) | Actual bFGF content (%) | bFGF encapsulation efficiency (%) | bFGF delivered per scaffold (μg) |
|---|---|---|---|---|---|
| Control | 0 | 89 | — | — | 0 |
| Low | 0.27 | 84 | 0.22 | 69 | 2.3 |
| High | 2.43 | 81 | 1.25 | 42 | 12.5 |
