DNA-copper hybrid nanoflowers as efficient laccase mimics for colorimetric detection of phenolic compounds in paper microfluidic devices

References

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title
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1013DNA-copper hybrid nanoflowers as efficient laccase mimics for colorimetric detection of phenolic compounds in paper microfluidic deviceshttps://doi.org/10.1016/j.bios.2021.113187CompositeHerein, we found that DNA-copper hybrid nanoflowers, prepared via simple self-assembly of DNA and copper ions, exhibit an intrinsic laccase-mimicking activity, which is significantly higher than that of control materials formed in the absence of DNA.

Materials

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BET
b nanozyme
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sa 10n
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Kinetics

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1013GNFOXDcatechol6.8RT1.840.37mM5.400.39μM/min7.06101/min1013

Applications

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target
method
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LOD
lod unit
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1013GNFDetection of HydroquinoneHydroquinoneColor4.5μg/mL98.36-100.39%
1013GNFDetection of CatecholCatecholColor3.0μg/mL98.75-101.13%
1013GNFDetection of DopamineDopamine (DA)Color4.5μg/mL99.53-101.13%