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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: Multienzymes activity of metals and metal oxide nanomaterials: applications from biotechnology to medicine and environmental engineering

Fig. 1

HccFn(Co3O4) nanozymes specifically recognize and visualize clinical HCC tissues. a HccFn(Co3O4) nanozymes showed peroxidase-like activity and catalyzed the oxidation of peroxidase substrate diaminobenzidine (DAB) to produce colorimetric reaction. b Schematic diagram of HccFn(Co3O4)-based immunohistochemical approach. c HccFn(Co3O4)-based immunohistochemical staining (top row) and Fn(Co3O4)-based immunohistochemical staining (bottom row) of HCC tissues and non-tumor liver tissues

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