Fig. 4From: Light enhanced bone regeneration in an athymic nude mouse implanted with mesenchymal stem cells embedded in PLGA microspheresH & E, Alizarin Red S, and von Kossa staining for osteogenic differentiation of rMSCs embedded onto the PLGA microspheres using LED irradiation. (a), (b), and (c): H & E staining, (d), (e), and (f): Alizarin Red S staining, (g), (h), and (i): von Kossa stainingBack to article page