Cu 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
7565 324 Cu NCs 2.5 nm TEM The as-prepared Cu NCs were approximately 2.5 nm in diameter
8017 812 Cu NCs 1.7 0.1 nm TEM The TEM image of as-synthesized Cu NCs clearly shows the formation of spherical and well-dispersed particles with an average diameter of 1.7 ± 0.1 nm (Figure 2A).

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
6210 324 Cu NCs POD TMB 1.125 mM 0.72 -7 M/s 324 324
6211 324 Cu NCs AAO AA 0.46 mM 23.5 -4 M/s 1/s 324 M-1 s-1
6212 324 Cu NCs CAT H2O2 207.1 mM 418.4 μM/s 324
6213 324 Cu NCs POD H2O2 2.52 mM 1.68 -7 M/s 324 M-1 s-1
6214 324 Cu NCs SOD ·O2- 324
6713 812 Cu NCs POD H2O2 7.0 35 1 mM 467 nM/s 723 1/s 812
6714 812 Cu NCs POD OPD 7.0 35 1.09 mM 2.01 -3 mM/s 3146 1/s 812

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5215 324 Cu NCs detection of AA DFQ Fluor 0.5-30 μM 0.144 μM
5216 324 Cu NCs detection of GSH GSH Color 1-150 μM 0.89 μM
5217 324 Cu NCs detection of H2O2 H2O2 Color 0.01-1 mM 5.6 μM
5736 812 Cu NCs a ratiometric H2O2 sensor H2O2 Fluor 0-1 mM 4.66 μM
5737 812 Cu NCs The reactivity toward peroxide is utilized in specific and sensitive sensing of glucose glucose Fluor 0-1 mM 7.56 μM 99-99.6%

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+.
3998 812 Copper Nanocluster (Cu23 NC)-Based Biomimetic System with Peroxidase Activity https://doi.org/10.1021/acssuschemeng.0c07431 Metal pepsin-templated copper nanoclusters (Cu NCs)