Copper Nanocluster (Cu23 NC)-Based Biomimetic System with Peroxidase Activity

References

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title
DOI
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812Copper Nanocluster (Cu23 NC)-Based Biomimetic System with Peroxidase Activityhttps://doi.org/10.1021/acssuschemeng.0c07431Metalpepsin-templated copper nanoclusters (Cu NCs)

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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812Cu NCs1.70.1nmTEMThe TEM image of as-synthesized Cu NCs clearly shows the formation of spherical and well-dispersed particles with an average diameter of 1.7 ± 0.1 nm (Figure 2A).

Kinetics

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T
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vmax
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vmax 10n
vmax unit
kcat
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kcat/km unit
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812Cu NCsPODOPD7.0351.09mM2.01-3mM/s31461/s812
812Cu NCsPODH2O27.0351mM467nM/s7231/s812

Applications

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method
linear range
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812Cu NCsThe reactivity toward peroxide is utilized in specific and sensitive sensing of glucoseglucoseFluor0-1mM7.56μM99-99.6%
812Cu NCsa ratiometric H2O2 sensorH2O2Fluor0-1mM4.66μM