Figure 19

ROS generation assay in Hep-G2 cells was examined by a fluorescence microscope (Nikon Te2000, 200×).

(A,E) Control and (B–D,F–H) Complexes 1 (8 μM), 2 (15 μM), 3 (5 μM), 4 (18 μM), 5 (28 μM) and 6 (14 μM) treatment with Hep-G2 cells for 24 h, respectively.