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

References

ref title DOI material type comment
4382 1197 2D CoOOH nanosheets as oxidase mimic for the colorimetric assay of sulfite in food https://doi.org/10.1039/d1ay00039j Others 2D cobalt oxyhydroxide nanosheets

Materials

ref material size size err size unit size type size comment BET b nanozyme b 10n b unit specific act sa 10n sa unit comment
8232 1197 CoOOH NSs 80-100 nm TEM the 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

ref 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
7145 1197 CoOOH NSs OXD TMB 64.37 μM 0.005 μM/min 1197

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
6085 1197 CoOOH NSs the 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. sulfite 5× 10-8~2× 10-5 M 2× 10-8 M