Figure 2.

A) UV–vis absorption spectra of different samples. B) Schematic illustration of pH/GSH‐triggered biodegradation process of MnDIG@PEG. C) TEM images of MnDIG@PEG after biodegradation treated under different conditions. D) O₂ generation profiles of different samples. E) O₂ consumption profiles of different samples in the presence of glucose. F) Schematic illustration of the catalytic procedure of MnDIG@PEG. UV–vis absorption spectra of the G) OPD and H) MB incubated with different samples. I) ESR spectra of DMPO mixed with different conditions for 30 min.