Fig. 8

Inverted phase-contrast micrographs show the morphology of sub-cultured Rabbit BM-MSCs in osteogenic medium (direct contact) toxicity test of the four composite scaffolds (a-c) CL/CH, (d-f) CL/CH/C0, (g-i) CL/CH/C5, and (j-l) CL/CH/C10) respectively