Figure 2From: Quantum dot labeling of mesenchymal stem cellsTEM of QD labeled MSC. a. Low magnification, representative image of MSC with QD nanocrystal aggregates in endosomal vesicles around nuclear membrane (nm, arrowhead). Scale bar 2 μm. b. High magnification of enlarged single vesicle (arrow, a and b) showing individual QDs. Scale bar 500 nm.Back to article page