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Comparison of Ca2+ signals in HOB and MG-63 cells on Ti and Ti + PPAAm (mean ± s.e.m.)
| Ca2+ signal | Primary osteoblasts—HOB | Osteoblast cell line—MG-63 | ||
|---|---|---|---|---|
| Ti | Ti + PPAAm | Ti | Ti + PPAAm | |
| Basal level (0–180 s) | 26.3 ± 0.3 | 31.2 ± 0.1 | 38.7 ± 0.8 | 51.9 ± 0.6 |
| ATP peak maximum (182–300 s) | 50.5 ± 1.0 | 99.2 ± 1.7* | 59.3 ± 1.9 | 106.6 ± 2.5* |
| Slope after ATP (302–480 s) | 33.4 ± 0.5 | 50.3 ± 0.8* | 43.8 ± 0.8 | 77.8 ± 1.8 |
* Statistically significant, p < 0.05, multiple t-test
