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(a) Allium cepa cells incubated with (N(SO2quin)dpa) in PBS-BSA solution under the optical microscope. (b) Fluorescence micrograph of same cells excited at 550 nm. (c) Allium cepa cells incubated with (N(SO2azobenz)dpa) in PBS-BSA solution under the optical microscope. (d) Fluorescence micrograph of same cells excited at 550 nm. (e) Fluorescence micrograph of Allium cepa cells incubated with PtCl2 (N(SO2azobenz)dpa) in PBS-BSA solution, and (f) excited at 550 nm.
