Bone Regeneration from PLGA Micro-Nanoparticles

Figure 4

PLGA/poloxamers188 blend nanoparticles. (a) Scanning transmission electron microscopy (STEM) photography; (b) scanning electron microscopy (SEM) photography. STEM technique allows the analysis of the nanoparticle structure with an internal region with a low polymer density, which is representative of nanocapsules with core-shell structure.

(a)

(b)