Figure 1.

Fabrication and characteristics of LOX‐MnO₂ nanozyme. A) Schematic overview of the construction of LM. B) TEM images of PAH‐coated MnO₂ nanoparticles and LM. C) Size distribution of nanoparticles. D) Effect of coating PAH‐MnO₂ nanoparticles with LOX on zeta potential. Data are presented as the mean ± SD, n = 3. E) SEM images and element analysis of nanoparticles. F) Sliver staining of SDS‒PAGE for protein analysis of LOX, PAH‐MnO₂ nanoparticles, and LM. G) UV–vis absorption spectra of materials and LM. LOX, lactate oxidase. MnO₂, manganese dioxide. PAH, poly(allylamine hydrochloride). LM, lactate oxidase‐manganese dioxide nanozymes.