Co2V2O7 Particles with Intrinsic Multienzyme Mimetic Activities as an Effective Bioplatform for Ultrasensitive Fluorometric and Colorimetric Biosensing

References

ref title DOI material type comment
3658 471 Co2V2O7 Particles with Intrinsic Multienzyme Mimetic Activities as an Effective Bioplatform for Ultrasensitive Fluorometric and Colorimetric Biosensing https://doi.org/10.1021/acsabm.9b01107 Metal oxide granular Co2V2O7 particles

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
7704 471 Co2V2O7 particles 250 nm TEM As shown in Figure 1a,b, the prepared Co2V2O7 particles mostly possessed a cubic granular shape with an identical aspect ratios of nearly 1.5:1, with widths of about 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
6334 471 Co2V2O7 particles POD H2O2 3.0 35 0.669 mM 1.25 -8 M/s 471
6333 471 Co2V2O7 particles POD TMB 3.0 35 0.311 mM 2.58 -8 M/s 471 471

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5419 471 Co2V2O7 particles H2O2 and Glucose Detection glucose Fluor 0.1–80 μM 0.03 μM 99.02-104.93% The glucose detection system also possessed good selectivity, and when the concentration of other sugars was 10 times higher than that of glucose (Figure 5f), no significant interference with the reaction system was observed.
5418 471 Co2V2O7 particles GSH Detection GSH Color 2.5–20 μM 0.64 μM 97.4-98.7%
5417 471 Co2V2O7 particles H2O2 and Glucose Detection H2O2 Fluor 0.008-3.2 μM 0.002 μM
5416 471 Co2V2O7 particles H2O2 and Glucose Detection glucose Fluor 0.1–80 μM 0.03 μM 99.02-104.93%