His-GQD/hemin

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
7546 301 His-GQD/hemin 13-80 nm Others His-GQDs, synthesized according to our previously reported procedure [22], have an average lateral size of ~ 3 nm and a height of ~ 2 nm (Fig. 1(a) and Fig. S1 in the Electronic Supplementary Material (ESM))

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
6185 301 His-GQD/hemin POD H2O2 3.8 mM 10.55 -8 M/s 301
6184 301 His-GQD/hemin POD TMB 0.133 mM 9.7 -8 M/s 19.4 1/s 301 5 M-1 s-1

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5191 301 His-GQD/hemin detecting blood glucose glucose Color 2.5-200 μM
5190 301 His-GQD/hemin detecting H2O2 H2O2 Color 5-240 μM

References

ref title DOI material type comment
3503 301 Mimicking peroxidase active site microenvironment by functionalized graphene quantum dots https://doi.org/10.1007/s12274-020-2678-z Composite we herein report a novel histidine-functionalized graphene quantum dot (His-GQD)/hemin complex