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. Author manuscript; available in PMC: 2021 Mar 29.
Published in final edited form as: Inorg Chem Front. 2020 Aug 26;7(19):3533–3540. doi: 10.1039/D0QI00685H

Fig. 5.

Fig. 5

Confocal fluorescence microscopy images of ROS generation in A549 cells treated with (a) 2c and (b) 3c (2 μM, 1 h in dark and 1 h irradiation, 465 nm) then probed by DCFH-DA (20 μM, λex = 488 nm). A549 cells treated in the dark were studied for comparison. Scale bar = 50 μm.