Fig. 6From: Behaviour of adipose-derived canine mesenchymal stem cells after superparamagnetic iron oxide nanoparticles labelling for magnetic resonance imagingVon Kossa staining shows black stained mineralised extracellular matrix. Note also the black staining of the cell bodies. a Unlabelled ASCs incubated in osteogenic medium. b SPIO-labelled ASCs incubated in osteogenic medium. c Control with unlabelled ASCs incubated in standard mediumBack to article page