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Fig. 2 | Journal of Nanobiotechnology

Fig. 2

From: Uptake and distribution of carboxylated quantum dots in human mesenchymal stem cells: cell growing density matters

Fig. 2

Distribution of carboxylated quantum dots in MSCs at different incubation times. Confocal fluorescence microscopy images showing the distribution of QDs in MSCs after 1 h (a), 3 h (b), 6 h (c), 24 h (df) incubation. Enlarged part of MSC containing hollow vesicles surrounded by smaller QDs-fulfilled vesicle-type structures after 24 h incubation (f) shown with white rectangle in e. MSCs incubated with QDs and additionally stained with Oil Red O dye show adipogenic-like phenotype of MSCs 24 h after treatment with QDs (gi). Scale bars 15 µm (ae, gi) and 5 µm (f)

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