Oligonucleotide-induced regulation of the oxidase-mimicking activity of octahedral Mn 3 O 4 nanoparticles for colorimetric detection of heavy metals

References

ref title DOI material type comment
3506 304 Oligonucleotide-induced regulation of the oxidase-mimicking activity of octahedral Mn 3 O 4 nanoparticles for colorimetric detection of heavy metals https://doi.org/10.1007/s00604-019-4069-2 Metal oxide A colorimetric assay for the determination of heavy metal ions is presented that is based on the regulation of the oxidase-mimicking activity of Mn3O4 nanoparticles (NPs)

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
7550 304 Mn3O4 nanoparticles 50-250 nm SEM The observation indicates that most of nanoparticlesexhibit regular octahedral shape, with the size range of 50–250 nm

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

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5197 304 Mn3O4 NPs detection of heavy metals Cd(II) Color 5-100 μg/L 2.4 μg/L
5196 304 Mn3O4 NPs detection of heavy metals Hg(II) Color 10-200 μg/L 3.8 μg/L