Highly selective colorimetric determination of catechol based on the aggregation-induced oxidase–mimic activity decrease of δ-MnO 2

References

ref title DOI material type comment
4595 1446 Highly selective colorimetric determination of catechol based on the aggregation-induced oxidase–mimic activity decrease of δ-MnO 2 https://doi.org/10.1039/c9ra10480a Metal oxide Birnessite-type MnO2 (d-MnO2)

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
8449 1446 d-MnO2 272.6 20 nm DLS the hydrodynamic radius of MnO2 was approximately 272.6 20 nm at pH 3.73

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
6295 1446 d-MnO2 detection of Catechol Catechol Color 0.5-10 μM 218 nM 94.80% - 99.56% The recovery ratios of catechol in tap water, reuse water and river water are shown in Table 2, with small RSD values (less than 10.00%) and good recovery (94.80% to 99.56%).