Fig. 8
(a-c) The fluorescence images of MG63 cells after culturing for 1, 3 and 5 d, respectively. (d) The data of cell density counted from fluorescence results. (e-g) The SEM images of MG63 cells after culturing for 1, 3 and 5 d. (h) The data of cell relative area counted from cell adhesion results. (a1), (b1), (c1), (e1), (f1) and (g1) magnified areas indicate in the orange dotted squares in (a), (b), (c), (e), (f) and (g), respectively. With the extension of incubation time, more filopodia can be observed, and the number and area of MG63 cells increase significantly. * denotes p < 0.05 and ** denoted p < 0.01 compared with the MG63 cells cultured for 1 d on the PLLA/SiO2–2 scaffold specimen