Porous 2D FeS2 nanosheets as a peroxidase mimic for rapid determination of H2O2

References

ref title DOI material type comment
3559 367 Porous 2D FeS2 nanosheets as a peroxidase mimic for rapid determination of H2O2 https://doi.org/10.1016/j.talanta.2020.120995 Sulfide Porous regular hexagonal-shaped FeS2 nanosheets (NSs)

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
7606 367 Porous regular hexagonal-shaped FeS2 nanosheets (NSs) 1 μm SEM SEM and TEM images of the FeS2 NSs (Fig. s2A and B) revealed that regular hexagonal-shaped nanosheets (2D) were synthesized with a side length of about 1 μm.

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
6249 367 FeS2 NSs POD TMB 0.171 mM 6.37 -8 M/s 367 367
6248 367 FeS2 NSs POD H2O2 0.00342 mM 10.3 -8 M/s 367

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5273 367 FeS2 NSs Simultaneously, the FeS2 NSs were applied to rapidly detect H2O2 concentrations in actual samples, such as lens solution, beer and disinfectant (all bought from supermarkets). H2O2 Color 0.02–4.00 μM 0.00760 μM