Colorimetric ascorbic acid sensing from a synergetic catalytic strategy based on 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphyrin functionalized CuS nanohexahedrons with the enhanced peroxidase-like activity

References

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198Colorimetric ascorbic acid sensing from a synergetic catalytic strategy based on 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphyrin functionalized CuS nanohexahedrons with the enhanced peroxidase-like activityhttps://doi.org/10.1016/j.colsurfa.2020.124855SulfideTPyP-CuS, 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphyrin (TPyP) functionalized CuS nanohexahedrons

Materials

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BET
b nanozyme
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198CuS180nmSEMthe morphology of CuS is hexahedrons with the size range of 118–238 nm and with an average size of 180 nm (Fig. S1)

Kinetics

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T
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198TPyP-CuSPODH2O23.937mM2.139-8M/s198198
198TPyP-CuSPODTMB0.106mM5.30-8M/s198

Applications

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method
linear range
linear ran unit
LOD
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recovery
comment
198TPyP-CuSascorbic acid (AA)Ascorbic acid (AA)Color1-30μM0.419μM
198TPyP-CuSdetect H2O2H2O2Color1.0-8.0mM121.8μM