Research Article

Synergistic Effect of Mesoporous Silica and Hydroxyapatite in Loaded Poly(DL-lactic-co-glycolic acid) Microspheres on the Regeneration of Bone Defects

Figure 6

The double-labeling images and measurement after implantation (4 weeks) by fluorescence microscope. (a) PLGA-nHA, (b) PLGA-MSN, (c) PLGA-MSN/nHA, and (d) the speed of new bone formation. compared to the control group, and .
(a)
(b)
(c)
(d)