Fig. 3From: Hot-Electron-Activated Peroxidase-Mimicking Activity of Ultrathin Pd NanozymesSteady-state kinetic assay and catalytic mechanism of Pd NSs (12.6 μg/mL). a The concentration of H2O2 was 50 mM, and the TMB concentration was varied (0.1–1.5 mM). b Double reciprocal plots for TMBBack to article page