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Fig. 4 | BMC Veterinary Research

Fig. 4

From: Behaviour of adipose-derived canine mesenchymal stem cells after superparamagnetic iron oxide nanoparticles labelling for magnetic resonance imaging

Fig. 4

Transmission electron microscopy (TEM) of SPIO labelled ASCs showing black iron inclusions (red arrows ) in the cytoplasm. a Capture of the moment of endocytosis of SPIO into a cell and formation of a membrane vesicle. b Cluster of SPIO particles within the cytoplasm one week after labelling. c Cluster of SPIO particles within the cytoplasm two weeks after SPIO labelling. (d) SPIO cluster within lysosomes (asterisk ) three weeks after labelling

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