2D CoOOH nanosheets as oxidase mimic for the colorimetric assay of sulfite in food

References

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ref
title
DOI
material type
comment
11972D CoOOH nanosheets as oxidase mimic for the colorimetric assay of sulfite in foodhttps://doi.org/10.1039/d1ay00039jOthers2D cobalt oxyhydroxide nanosheets

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
1197CoOOH NSs80-100nmTEMthe CoOOH nanozyme was mainly hexagonal ultrathin nanosheets with the average size of 80–100 nm, which was consistent with the structural characterization of the two-dimensional (2D) nanosheets

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
1197CoOOH NSsOXDTMB64.37μM0.005μM/min1197

Applications

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material
application
target
method
linear range
linear ran unit
LOD
lod unit
recovery
comment
1197CoOOH NSsthe presence of SO3 2 could effectively inhibit the CoOOH NS–O2– TMB reaction system and thus caused changes in color and absorbance, which facilitated a colorimetric sensor for sulfite.sulfite5× 10-8~2× 10-5M2× 10-8M