Fig. 2From: PLGA/BGP/Nef porous composite restrains osteoclasts by inhibiting the NF-κB pathway, enhances IGF-1-mediated osteogenic differentiation and promotes bone regenerationCharacterization of the BGPs. The optical microscope (A) and SEM photographs (B) of BGPs. C the particle size distribution of BGPs. D the FT-IR spectra of the BGPs. BSA loading (E) and release (F) of BGP and BG. Bar = 100 μm (A) or 200 μm (B)Back to article page