Fig. 6

Allium Cepa bulb cells incubated with 20.00 mg ml⁻¹ of [Re(CO)₃L2(H₂O)]⁺ (3) in PBS-BSA solution under optical micrograph (a). Fluorescence micrographs of same cells excited at 450 nm (b), excited at 550 nm (c). Allium Cepa bulb cells incubated with ethidium bromide in PBS-BSA solution under optical micrograph (d). Fluorescence micrographs of same cells excited at 450 nm (e)