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Variances for each substrate were estimated and used in the mixed model for each substrate on each day. There were no substrate-media interactions for any of the time points.
| Source: | 3 kPa gel | 10 kPa gel | Glass |
|---|---|---|---|
| Day 1 | 4.55 × 10−9 | 2.90 × 10−9 | 1.90 × 10−7 |
| Day 3 | 1.09 × 10−8 | 3.31 × 10−8 | 1.03 × 10−6 |
| Day 5 | 3.81 × 10−9 | 3.58 × 10−8 | 6.76 × 10−7 |
| Day 7 | 2.88 × 10−9 | 5.04 × 10−9 | 4.22 × 10−8 |
| Day 14 | 4.80 × 10−6 | 5.65 × 10−6 | 5.50 × 10−5 |
| Day 21 | 2.60 × 10−5 | 3.00 × 10−5 | 2.89 × 10−4 |
