Fig. 4From: Facile distribution of an alkaline microenvironment improves human bone marrow mesenchymal stem cell osteogenesis on a titanium surface through the ITG/FAK/ALP pathwaypH value of different concentrations (0 mM, 20 mM, 50 mM, 100 mM and 200 mM) of sodium bicarbonate solutions (a); variation of the pH value in culture media with time post cell seeding on SLA surfaces treated with different concentrations of sodium bicarbonate (b). Data are presented as the mean ± standard deviation (n = 3, *P < 0.05; **P < 0.01; ***P < 0.001)Back to article page