ZIF-67 as a Template Generating and Tuning “Raisin Pudding”-Type Nanozymes with Multiple Enzyme-like Activities: Toward Online Electrochemical Detection of 3,4-Dihydroxyphenylacetic Acid in Living Brains

References

ref title DOI material type comment
4063 877 ZIF-67 as a Template Generating and Tuning “Raisin Pudding”-Type Nanozymes with Multiple Enzyme-like Activities: Toward Online Electrochemical Detection of 3,4-Dihydroxyphenylacetic Acid in Living Brains https://doi.org/10.1021/acsami.0c05667 MOF In this work, the “raisin pudding”-type ZIF-67/Cu0.76Co2.24O4 nanospheres (ZIF-67/Cu0.76Co2.24O4 NSs) were obtained by rationally regulating the weight ratio of ZIF-67 and Cu(NO3)2 in the synthesis process.

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
8072 877 ZIF-67/Cu0.76Co2.24O4 NSs 100 to 250 nm TEM SEM and TEM images are shown in Figure 1B,C with the size range of about 100−250 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
6776 877 ZIF-67/Cu0.76Co2.24O4 NSs OXD GSH 0.484 mM 877

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5803 877 ZIF-67/Cu0.76Co2.24O4 NSs Based on its laccase-like activity, an online electrochemical system for continuous monitoring of 3,4-dihydroxyphenylacetic acid 3,4-dihydroxyphenylacetic acid 0.5−20 μM 0.15 μM