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Real-time monitoring of reduction current for hydrogen peroxide in PSII membrane. (A) Kinetics of the production of H2O2 was measured using Os-HRP modified carbon electrode during light illumination in PSII membranes. The light illumination was started at 5 min from the start of the measurement and the reduction current was measured for a duration of 1 h. (B) Effect of SOD and CAT on reduction current was measured in the presence of SOD (400 U/ml) and SOD + CAT (400 U/ml each).
