Highly Selective Fluorescent Probe for the Detection of Copper (II) and Its Application in Live Cell Imaging

Figure 6

(a) Fluorescence image of MCF7 cells incubated with L1 (10 μM) for 30 min at 37°C. (b) Fluorescence image of MCF7 cells incubated with L1 (10 μM) for 30 min and then incubated with Cu²⁺ (20 μM) for another 30 min at 37°C. (c) Brightfield image of cells shown in (b). (d) The overlay image of b and c.

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