Cu 2+-modified hollow carbon nanospheres: an unusual nanozyme with enhanced peroxidase-like activity

References

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DOI
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1214Cu 2+-modified hollow carbon nanospheres: an unusual nanozyme with enhanced peroxidase-like activityhttps://doi.org/10.1007/s00604-020-04690-0CarbonACu2+-modified carboxylated hollow carbon nanospheres

Materials

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size
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BET
b nanozyme
b 10n
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specific act
sa 10n
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1214Cu2+-HCNSs-COOH100nmTEMTEM image of hollow polymer nanospheres with a particle size of about 100 nm, an edge width of about 20 nm, and hollow gap diameter of about 60 nm.

Kinetics

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vmax 10n
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kcat
kcat err
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1214Cu2+-HCNSs-COOHPODH2O20.88mM1214

Applications

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1214Cu2+-HCNSs-COOHa colorimetric sensing platform by detecting the absorbance of the 3,3′,5,5′-tetramethylbenzidine-H2O2 system at 652 nm for quantifying H2O2, which holds good linear relationship between 1 and 150 μM and has a detection limit of 0.61 μM.H2O21-150μM0.61μM