Heparin as a bifunctional biotemplate for Pt nanocluster with exclusively peroxidase mimicking activity at near-neutral pH

References

ref title DOI material type comment
3705 518 Heparin as a bifunctional biotemplate for Pt nanocluster with exclusively peroxidase mimicking activity at near-neutral pH https://doi.org/10.1016/j.colsurfa.2020.125455 Metal Heparin serves as both reductant and stabilizer for biogenic synthesis of ultrasmall Pt nanoclusters(Hep-Pt NCs).

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
7748 518 Hep-Pt NCs 1.5-2.1 nm TEM As the molar ratio of [K2PtCl4]/[Hep] increases from 0.2 to 3, the mean size of gradually grows from 1.5 to 2.1 nm.

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
6383 518 Hep-Pt NCs POD H2O2 6 37 165 mM 11.98 -8 M/s 518 518
6382 518 Hep-Pt NCs POD TMB 6 37 0.016 mM 7.18 -8 M/s 518 518

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5460 518 Hep-Pt NCs Colorimetric tests of H2O2 and glucose glucose Color 0.1 ∼ 2.0 mM 33 μM 98%-104.0%