Electrochemical biomolecule detection based on the regeneration of high-efficiency cascade catalysis for bifunctional nanozymes

References

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495Electrochemical biomolecule detection based on the regeneration of high-efficiency cascade catalysis for bifunctional nanozymeshttps://doi.org/10.1039/C9CC06526ACompositeβ-cyclodextrin-functionalized AuNPs/multiwalled carbon nanotubes (β-CD@AuNPs–MWCNTs) modified electrode

Materials

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495β-CD@AuNPs–MWCNTs13+10~20nmTEMAs exhibited in Fig. 1A, we could see that spherical β-CD@AuNPs with an average diameter of 13 nm were attached on the surface of MWCNTs (diameter: 10–20 nm), indicating the successful synthesis of β-CD@AuNPs–MWCNTs nanomaterials.

Kinetics

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Applications

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495β-CD@AuNPs–MWCNTsSensitive electrochemical analysis of target 8-hydroxy-2′-deoxyguanosine (8-OHdG) based on reversible capture/release of electronic media in a fast and green manner8-hydroxy-2′-deoxyguanosineE-chem0.0001-10nM30fM