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

References

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471Co2V2O7 Particles with Intrinsic Multienzyme Mimetic Activities as an Effective Bioplatform for Ultrasensitive Fluorometric and Colorimetric Biosensinghttps://doi.org/10.1021/acsabm.9b01107Metal oxidegranular Co2V2O7 particles

Materials

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BET
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471Co2V2O7 particles250nmTEMAs 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

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471Co2V2O7 particlesPODH2O23.0350.669mM1.25-8M/s471
471Co2V2O7 particlesPODTMB3.0350.311mM2.58-8M/s471471

Applications

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471Co2V2O7 particlesH2O2 and Glucose DetectionglucoseFluor0.1–80μM0.03μM99.02-104.93%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.
471Co2V2O7 particlesGSH DetectionGSHColor2.5–20μM0.64μM97.4-98.7%
471Co2V2O7 particlesH2O2 and Glucose DetectionH2O2Fluor0.008-3.2μM0.002μM
471Co2V2O7 particlesH2O2 and Glucose DetectionglucoseFluor0.1–80μM0.03μM99.02-104.93%