Phosphotungstate-sandwiched between cerium oxide and gold nanoparticles exhibit enhanced catalytic reduction of 4-nitrophenol and peroxidase enzyme-like activity

References

ref title DOI material type comment
3952 766 Phosphotungstate-sandwiched between cerium oxide and gold nanoparticles exhibit enhanced catalytic reduction of 4-nitrophenol and peroxidase enzyme-like activity https://doi.org/10.1016/j.colsurfb.2020.111478 Composite gold (Au) decorated cerium oxide nanoparticles (nanoceria)

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
7974 766 nanoceria-PTA*-AuNPs 26.77 5.1 nm TEM CeO2
7973 766 nanoceria-PTA*-AuNPs 59.65 30.46 nm TEM PTA-Au NPs

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
6674 766 nanoceria-PTA*-AuNPs POD H2O2 836 mM 0.836 -5 mM/s 766
6673 766 nanoceria-PTA*-AuNPs POD TMB 0.954 mM 1.146 -5 mM/s 766

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5693 766 nanoceria-PTA*-AuNPs conversion of 4-NP into 4-AP