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Table 3 Comparison of Ca2+ signals in HOB and MG-63 cells on Ti and Ti + PPAAm (mean ± s.e.m.)

From: Enhanced calcium ion mobilization in osteoblasts on amino group containing plasma polymer nanolayer

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

  1. * Statistically significant, p < 0.05, multiple t-test