Cooperatively controlling the enzyme mimicking Pt nanomaterials with nucleotides and solvents

References

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title
DOI
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754Cooperatively controlling the enzyme mimicking Pt nanomaterials with nucleotides and solventshttps://doi.org/10.1016/j.colsurfa.2020.126070Metalultrasmall Pt nanoclusters

Materials

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size
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BET
b nanozyme
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754Pt nanocrystals1-4nmDLSMoreover, Pt NPs prepared with CMP exhibit larger particle sizes than those prepared with GMP (Fig. 2a–d). The average diameter of asprepared Pt NPs decreases in the following order: Pt-CMP/EG (3.4 nm) > Pt-GMP/EG (2.2 nm) > Pt-CMP/H2O (1.9 nm) > Pt-GMP/H2O (1.2 nm). This order of size distribution was further verified by DLS

Kinetics

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T
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kcat
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754CMP-Pt/EGOXDepinephrine.0.042mM18.97μM/min754

Applications

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linear range
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754Pt nanocrystalsThe Pt nanocrystals also display laccase mimicking activity, which can be harnessed for colorimetric assay of epinephrine with high sensitivity.epinephrineColor4.55−172.98μM0.66μM98-103