Figure 5.

Differentiation of MSCs into adipocytes, chondrocytes and osteocytes. Oil Red O staining of cells in complete medium without (a) or with QD labelling (b); cells in adipogenesis medium without (c) or with QD labelling (d). Alizarin Red S staining on cells in complete medium in the absence or presence of QDs (e, f); cells in osteogenesis differentiation medium in the absence or presence of QDs (g, h). Alcian Blue staining on cells in complete medium (i, j) and chondrogenesis differentiation medium (k, l) in the absence or presence of QDs.