Colorimetric determination of cysteine based on inhibition of GSH-Au/Pt NCs as peroxidase mimic

References

ref title DOI material type comment
4231 1044 Colorimetric determination of cysteine based on inhibition of GSH-Au/Pt NCs as peroxidase mimic https://doi.org/10.1016/j.saa.2020.119257 Composite Glutathionemodified gold-platinum nanoclusters (GSH-Au/Pt NCs) with different Au/Pt molar ratios were prepared via one-pot approach and utilized as peroxidase mimics to catalyze the oxidation of 3,3’,5,5’-tetramethyl benzidine (TMB) by H2O2.

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

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
6983 1044 GSH-Au/Pt NCs CAT H2O2 7.4 1044
6978 1044 GSH-Au/Pt NCs CAT H2O2 194 mM 6.46 -7 M/s 8.37 4 1/s 1044
6973 1044 NH2-Co3O4 POD TMB 0.0181 mM 1.58 -7 M/s 2.11 4 1/s 1044

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5949 1044 GSH-Au/Pt NCs Colorimetric detection of Cys cysteine Color 0.5 to 30 μM 0.154 μM