Cu2+-doped polypyrrole nanotubes with promoted efficiency for peroxidase mimicking and electrochemical biosensing

References

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1277Cu2+-doped polypyrrole nanotubes with promoted efficiency for peroxidase mimicking and electrochemical biosensinghttps://doi.org/10.1016/j.mtchem.2020.100374CompositeCu2+ -doped polypyrrole (Cu2+/PPy) nanotubes (Cu2+/PPy NTs)

Materials

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BET
b nanozyme
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1277Cu2+/PPy NTs30-70nmTEMUnder a hydrothermal reaction, PPy NTs with a thickness ranging from 30 to 70 nm have been achieved (Fig. 1a and 1b).

Kinetics

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1277Cu2+/PPy NTsPODH2O22.8mM8.37-8M/s12771277
1277Cu2+/PPy NTsPODTMB0.077mM40.7-8M/s12771277

Applications

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1277Cu2+/PPy NTsquantitative detection of H2O2H2O2Colorimetric4-100μM1.62μM98.5%–104.4%