Various diselenides 1-8 have been examined with respect to their gluta
thione peroxidase-like activities (GPx-activities) as an index of thei
r antioxidant properties. The glutathione oxidase activities of these
compounds have also been reviewed reflecting the pro-oxidant propertie
s (GOx-activities) and could be used as an index of cell toxicity.:Bas
ed on a qualitative structure-activity relationship some trends are su
ggested.