The Preparation and In Vitro Evaluations of a Nanoscaled Injectable Bone Repair Material

Figure 4

Scanning electron microscopes of (a) the nHAC/Alg surface; (b) the nHAC/Alg surface cultured with the hBMSCs cells on the third day; and (c) the nHAC/Alg surface cultured with the hBMSCs cells on the 7th day.

(a)

(b)

(c)