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. 2021 Feb 26;11(15):8871–8878. doi: 10.1039/d1ra00154j

Fig. 5. Intracellular upconversion detection and imaging of miR-21. Fluorescence confocal microscopy image of MCF-7 cells, MCF-7 cells treated with curcumin and normal HEK-293T cells after incubation with DNA-hybrid-gated UCNP@UIO-66-NH2/DOX (50 μg mL−1) for 12 h under 980 nm excitation. Scale bar: 75 μm.

Fig. 5