Fig. 3

Cell biological evaluation with primary human osteoblasts. a Analysis of cell adhesion and morphogenesis by fluorescence microscopy and SEM. b Data obtained in the metabolic alamarBlue assay and by DNA quantification; statistically significant differences are marked with bars above the corresponding columns. c Photographs and micrographs of the AlizarinRed staining. Cells on the negative controls were cultivated in standard culture medium, while the cells on the test samples in osteogenic medium [43]