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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
7945 736 CQDs 3.1 nm TEM The statistical result displays that most of the CQDs' diameter are in the range of 2.1–4.5 nm with the average diameter of 3.1 nm (Fig. 1A, inset), demonstrating an excellent uniform particle size distribution.
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
6833 930 CQDs POD 930
7203 1284 CQDs POD TMB 0.6 mM 2.15 -8 nM/s 1/s 1284 M-1 s-1 1284
7204 1284 CQDs POD H2O2 0.16 mM 4.38 -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
5659 736 CQDs determination of ascorbic acid AA Color 1.0-105 μM 0.14 μM 94.3–110.0%

References

ref title DOI material type comment
3922 736 Colorimetric determination of ascorbic acid based on carbon quantum dots as peroxidase mimetic enzyme https://doi.org/10.1039/D0RA02105A Carbon Carbon quantum dots (CQDs)
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)


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