Goldberg B, Stern A
J Biol Chem. 1975 Mar 25;250(6):2401-3.
Phenylhydrazine reacts with adult oxy- or methemoglobin in the presence of molecular oxygen to generate O2-. The mechanism of the reaction apparently differs in each case. The generation of O2- is monitored by following the reduction of ferricytochrome c or the oxidation of epinephrine.