Fig. 2. (A) Schematic illustration of the mechanism for the peroxidase-like activity evaluation of GdP5W30O110@WS2 applying TMB, OPD and ABTS as substrates. UV-vis-NIR adsorption spectra of the catalyzed oxidation of (B) TMB, (C) ABTS and (D) OPD after 15 min of incubation with PBS, GdP5W30O110@WS2, H2O2 and H2O2 + GdP5W30O110@WS2 at pH 4.0.
