cMOF Evidence Base
Electrochemistry Application — One-step electrochemical synthesis of tremella-like Co-MOFs/carbon nanohorns films for enhanced electrochemical sensing of carbendazim in vegetable and fruit samples

Measurement evidence

Electrochemistry Application

One-step electrochemical synthesis of tremella-like Co-MOFs/carbon nanohorns films for enhanced electrochemical sensing of carbendazim in vegetable and fruit samples · Peng G., Gao F., Zou J. et al. · Journal of Electroanalytical Chemistry · 2022 · 116462

2 measurement groups · 12 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Chronocoulometry

Co-MOFs/CNHs/GCE composite sensing electrode · Electrode

1.0 M KCl containing 0.1 mM K3[Fe(CN)6]; electro-active area estimated by Anson formula with D = 7.6 x 10^-6 cm2 s^-1.

Geometry
Modified GCE electrodes
Context
composite with bare GCE, Co-MOF/GCE, and CNHs/GCE controls
Measurement source
p004-p005 · Section 3.2 · Figure 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electro-active surface area for bare GCE0.077 cm2——Text
Exact Reported		p004-p005 · Section 3.2 · Figure 5
Electro-active surface area for CNHs/GCE0.231 cm2——Text
Exact Reported		p004-p005 · Section 3.2 · Figure 5
Electro-active surface area for Co-MOFs/CNHs/GCEMarked as a best value within this paper0.827 cm2——Text
Exact Reported		p004-p005 · Section 3.2 · Figure 5
Electro-active surface area for Co-MOFs/GCE0.316 cm2——Text
Exact Reported		p004-p005 · Section 3.2 · Figure 5

Cyclic voltammetry scan-rate study

Voltammetry

Co-MOFs/CNHs/GCE composite sensing electrode · Electrode

10.0 uM CBZ in 0.1 M PBS, pH 6.0; scan rates 10-300 mV s-1.

Geometry
Co-MOFs/CNHs/GCE
Context
composite target sample
Measurement source
p005-p007 · Section 3.5 · Figure 9
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
alpha*n from Butler-Volmer analysisabout 0.99—aboutCalculated From Reported
Approximate		p005 · Section 3.5 · Equation 2
Electron-transfer number for CBZ oxidationn estimated to be 2—estimatedCalculated From Reported
Approximate		p005 · Section 3.5 · Equation 2
Epa versus ln(v) fit R2R2 = 0.994——Text
Exact Reported		p005-p007 · Section 3.5 · Figure 9C
Epa versus ln(v) slope0.013 V per ln(v)——Text
Exact Reported		p005-p007 · Section 3.5 · Figure 9C
Ipa versus scan-rate fit R2R2 = 0.997——Text
Exact Reported		p005-p007 · Section 3.5 · Figure 9B
Ipa versus scan-rate slope0.076 uA per (mV s-1)——Text
Exact Reported		p005-p007 · Section 3.5 · Figure 9B
Scan-rate range upper bound300 mV s-1—range upper boundText
Range		p005-p007 · Section 3.5 · Figure 9A
Scan-rate range lower bound10 mV s-1—range lower boundText
Range		p005-p007 · Section 3.5 · Figure 9A