Facile Preparation of Homogeneous Copper Nanoclusters Exhibiting Excellent Tetraenzyme Mimetic Activities for Colorimetric Glutathione Sensing and Fluorimetric Ascorbic Acid Sensing

References

ref title DOI material type comment
3521 324 Facile Preparation of Homogeneous Copper Nanoclusters Exhibiting Excellent Tetraenzyme Mimetic Activities for Colorimetric Glutathione Sensing and Fluorimetric Ascorbic Acid Sensing https://doi.org/10.1021/acsami.0c11983 Metal Herein, a facile and green method for preparing monodisperse, homogeneous copper nanoclusters (Cu NCs) with smaller size was developed, which used cysteine as the template and hydrazine hydrate as a reductant to reduce Cu2+.

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
7565 324 Cu NCs 2.5 nm TEM The as-prepared Cu NCs were approximately 2.5 nm in diameter

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
6214 324 Cu NCs SOD ·O2- 324
6213 324 Cu NCs POD H2O2 2.52 mM 1.68 -7 M/s 324 M-1 s-1
6212 324 Cu NCs CAT H2O2 207.1 mM 418.4 μM/s 324
6211 324 Cu NCs AAO AA 0.46 mM 23.5 -4 M/s 1/s 324 M-1 s-1
6210 324 Cu NCs POD TMB 1.125 mM 0.72 -7 M/s 324 324

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5217 324 Cu NCs detection of H2O2 H2O2 Color 0.01-1 mM 5.6 μM
5216 324 Cu NCs detection of GSH GSH Color 1-150 μM 0.89 μM
5215 324 Cu NCs detection of AA DFQ Fluor 0.5-30 μM 0.144 μM