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Fig. 2 | Journal of Nanobiotechnology

Fig. 2

From: Dancing in local space: rolling hoop orbital amplification combined with local cascade nanozyme catalytic system to achieve ultra-sensitive detection of exosomal miRNA

Fig. 2

SEM images of Cu2O (A) and Cu2O/Au (B). TEM image of Fe-Zr MOF. D EDS-mapping images of Cu2O/Au. E UV characterization of Cu2O/Au. F UV characterization of Fe-Zr MOF /luminol/G4/T. G Verification of the peroxidase catalytic performance of Fe-Zr MOF/G4. Fe-Zr MOF/G4 + TMB + H2O2 a), Fe-Zr MOF + TMB + H2O2 b), G4 + TMB + H2O2 c), Fe-Zr MOF + Glu + TMB d) and TMB + H2O2 e). H Verification of the glucose oxidase catalytic performance of Cu2O/Au. Cu2O/Au + Glu + Fe-Zr MOF /G4 + TMB a), Cu2O + Glu + Fe-Zr MOF /G4 + TMB b), Au + Glu + Fe-Zr MOF /G4 + TMB c) and Cu2O/Au + Glu + TMB d). I The local and non-local cascade nanozyme catalytic system reaction mode and colorimetric experiment results

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