Colorimetric detection uranyl ions based on the enhanced peroxidase-like activity by GO adsorption

References

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title
DOI
material type
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665Colorimetric detection uranyl ions based on the enhanced peroxidase-like activity by GO adsorptionhttps://doi.org/10.1016/j.jenvrad.2020.106299CarbonThe peroxidase-like activity of GO-UO22+ nanocomposites was assessed by catalyzing H2O2 oxidation of TMB to produce a distinct color reaction. A good linearity between the UO22+ concentration and absorption at 652 nm was acquired in the range of 5.90 × 10−6 to 9.43 × 10−4 M with a detection limit of 4.70 μM.

Materials

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material
size
size err
size unit
size type
size comment
BET
b nanozyme
b 10n
b unit
specific act
sa 10n
sa unit
comment
665GO-UO22+ NPsTEM

Kinetics

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material
enzyme type
substrate
pH
T
km
km err
km 10n
km unit
vmax
vmax err
vmax 10n
vmax unit
kcat
kcat err
kcat 10n
kcat unit
kcat/km
kcat/km 10n
kcat/km unit
comment
665GO-UO22+ NPsPOD665

Applications

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material
application
target
method
linear range
linear ran unit
LOD
lod unit
recovery
comment
665GO-UO22+ NPsdetection of uranyl ionsTMBColor5.9-943μM4.7μM96.82-98.31%