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The sets of individual EPR spectra (magnetic field sweep width, SW = 8 mT) monitored upon continuous UVA irradiation (λmax = 365 nm; irradiance 15 mW∙cm−2) of aerated TiO2 P25 suspensions in the presence of spin trapping agent DMPO: (a) water; (b) mixed solvent water/dimethylsulfoxide (5:1 v:v); (c) acetonitrile. TiO2 concentration 0.167 mg∙mL−1, c0,DMPO = 0.035 M.
