A ratiometric fluorescence and colorimetric dual-mode assay for H2O2 and xanthine based on Fe, N co-doped carbon dots

References

ref title DOI material type comment
3557 364 A ratiometric fluorescence and colorimetric dual-mode assay for H2O2 and xanthine based on Fe, N co-doped carbon dots https://doi.org/10.1016/j.dyepig.2020.108486 Carbon Fe, N-CDs

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
7604 364 Fe, N-CDs 4–6 nm TEM

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
6243 364 Fe, N-CDs POD TMB 0.434 mM 1 -7 M/s 364
6242 364 Fe, N-CDs POD H2O2 0.207 mM 7.487 -7 M/s 364 364

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5270 364 Fe, N-CDs the H2O2 and xanthine determination in human serum and the urine H2O2 Color 0–100 μM 0.047 μM The detection limits of H2O2 and xanthine were 0.047 μM and 0.02 μM for ratiometric fluorometric and 0.05 μM and 0.023 μM for colorimetric, respectively.
5269 364 Fe, N-CDs the H2O2 and xanthine determination in human serum and the urine H2O2 Color 0–100 μM 0.047 μM
5268 364 Fe, N-CDs the H2O3 and xanthine determination in human serum and the urine xanthine Color 0-70 μM 0.02 μM
5267 364 Fe, N-CDs the H2O3 and xanthine determination in human serum and the urine xanthine Color 0-70 μM 0.02 μM The detection limits of H2O2 and xanthine were 0.047 μM and 0.02 μM for ratiometric fluorometric and 0.05 μM and 0.024 μM for colorimetric, respectively.