TABLE II.
Average BMP-2 concentration (ng/ml) in the two microfluidic compartments.
| Gradient slope | 0.16 (ng/ml/mm) | 1.6 (ng/ml/mm) | 16 (ng/ml/mm) |
|---|---|---|---|
| grad+ | 0.54 | 5.4 | 54 |
| grad− | 0.46 | 4.6 | 46 |
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