Extended Data Fig. 7: Measuring KO2 oxidation kinetics using UV-Vis absorbance.
From: Marcus kinetics control singlet and triplet oxygen evolving from superoxide

a, Exemplary evolution UV-Vis spectra of DPA and ThA. Concentration versus time for the indicated RMox in contact with KO2. b,c,e–m, RMox concentration versus time. For F4BQ (d), concentration versus time for RMred.