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Thickness of enteric coating on BSA beads determined from SEM images (n=8)
| Thickness | Mean (μm) | SD (μm) | CV |
|---|---|---|---|
| 10% enteric coated BSA beads | 1.8 | 1.5 | 84.5% |
| 15% enteric coated BSA beads | 5.7 | 3.5 | 61.2% |
| 20% enteric coated BSA beads | 13.0 | 2.2 | 17.1% |
| 30% enteric coated BSA beads | 18.8 | 1.9 | 10.4% |
