High sensitivity detection of H2O2 and glucose based on carbon quantum dots-catalyzed 3, 3′, 5, 5′-tetramethylbenzidine oxidation

References

ref title DOI material type comment
4462 1284 High sensitivity detection of H2O2 and glucose based on carbon quantum dots-catalyzed 3, 3′, 5, 5′-tetramethylbenzidine oxidation https://doi.org/10.1016/j.microc.2020.105365 Carbon Carbon quantum dots (CQDs)

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
8295 1284 CQDs 3.1 nm TEM As can be observed, the CQDs are almost monodispersed spheres (Fig. 1A) with a uniform size distribution between 1.63 and 4.26 nm and an average diameter of 3.01 nm (Fig. 1B) based on measurements of 100 particles.

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
7204 1284 CQDs POD H2O2 0.16 mM 4.38 -8 nM/s 1/s 1284 M-1 s-1 1284
7203 1284 CQDs POD TMB 0.6 mM 2.15 -8 nM/s 1/s 1284 M-1 s-1 1284

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
6145 1284 CQDs quantitative detection of H2O2 H2O2 Colorimetric 5.00–60.0 μM 0.86 μM