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The EPR study of DMPO-OH spin adduct formation in a Fenton-type reaction in the presence and absence of different concentrations of GM1 (▪) and GT1b (□). The data are normalized with respect to the EPR intensity of control samples without gangliosides. Significant differences are +P<0.05 for GM1 and *P<0.05 for GT1b compared to control values. EPR, electron paramagnetic resonance.
