Figure 5
From: An antioxidation strategy based on ultra-small nanobubbles without exogenous antioxidants

The absorbance of the oxidized TMB by the hydroxyl radicals generated by UV radiation. (a) The absorbance of the oxidized TMB in three parallel groups after UV radiation. (b) The attenuation of the antioxidant capacity of the ultra-small N2 NBs and 1 mM sodium ascorbate after UV radiation for 3 h.