Rapid colorimetric sensing of ascorbic acid based on the excellent peroxidase-like activity of Pt deposited on ZnCo 2 O 4 spheres

References

ref title DOI material type comment
3781 594 Rapid colorimetric sensing of ascorbic acid based on the excellent peroxidase-like activity of Pt deposited on ZnCo 2 O 4 spheres https://doi.org/10.1039/d0nj02795b Composite Pt deposited on ZnCo2O4 spheres (Pt/ZnCo2O4)

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
7820 594 Pt/ZnCo2O4 TEM, SEM Fig. 1B and C show the SEM and TEM images of Pt/ZnCo2O4 , respectively. As displayed in Fig. S2 (ESI†), ZnCo2O4 microspheres with 1.5–2 mm diameter were composed of nanoparticles.

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
6477 594 Pt/ZnCo2O4 POD H2O2 0.73 mM 8.35 -8 M/s 594 594
6476 594 Pt/ZnCo2O4 POD TMB 0.1357 mM 80.68 -8 M/s 594 594

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5530 594 Pt/ZnCo2O4 Detection of ascorbic acid Ascorbic acid (AA) 1-15 μM 0.456 μM