Polyethylenimine-stabilized silver nanoclusters act as an oxidoreductase mimic for colorimetric determination of chromium (VI)

References

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386Polyethylenimine-stabilized silver nanoclusters act as an oxidoreductase mimic for colorimetric determination of chromium (VI)https://doi.org/10.1007/s00604-020-04232-8MetalPolyethylenimine-stabilized silver nanoclusters

Materials

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BET
b nanozyme
b 10n
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specific act
sa 10n
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386PEI-AgNCs2~5nmTEMwell-dispersed Ag nanoclusters are gained, and the size of these clusters is in the range of2~5 nm

Kinetics

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T
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kcat
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kcat 10n
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Applications

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386PEI-AgNCsWith the above understanding, the PEI-AgNC-catalyzed TMB + Cr6+ chromogenic reaction is able to be employed to detect toxic Cr6+ photometrically.Cr3+Color5~100μM3.7μM