Peng G., Gao F., Zou J. et al. · Journal of Electroanalytical Chemistry · 2022 · 116462
Open a family to keep every result attached to its sample, method and conditions.
Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.
The sensor gives acceptable CBZ recoveries in strawberry and cabbage samples.
Caveat: Food samples were pretreated, filtered, and diluted 100 times before analysis.
p006-p008 · Section 3.8 · Table 2 · Linked to 4 structured results
Co-MOFs/CNHs/GCE enables sensitive CBZ detection with 0.5 nM-20.0 uM linear range and 0.2 nM LOD.
Caveat: Application performance is for DPV sensing in buffer and selected food extracts.
p006-p007 · Section 3.6 · Figure 10; Table 1 · Linked to 4 structured results
CNHs improve charge-transfer behaviour of the Co-MOF electrode, reducing Rct versus pristine Co-MOFs/GCE.
Caveat: Conductivity is inferred from electrochemical impedance/charge-transfer resistance, not a direct four-probe conductivity measurement.
p003-p004 · Section 3.2 · Figure 4 · Linked to 3 structured results
The Co-MOFs/CNHs composite has the largest electro-active surface area among the compared electrodes, supporting enhanced CBZ response.
Caveat: Area is electro-active surface area from chronocoulometry, not BET porosity.
p004-p005 · Section 3.2 · Figure 5 · Linked to 4 structured results
A one-step electrochemical co-deposition strategy can directly form Co-MOFs/CNHs composite films on GCE under mild conditions.
Caveat: The paper does not report a separate post-deposition activation or atmosphere.
p001-p003 · Abstract; Sections 2.2 and 3.1 · Scheme 1 · Linked to 2 structured results
CBZ oxidation on Co-MOFs/CNHs/GCE is adsorption-controlled and follows a two-electron/two-proton process.
Caveat: Electron number is inferred using alpha = 0.5 for an irreversible process.
p005-p007 · Sections 3.4 and 3.5 · Figures 7 and 9 · Linked to 5 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| Bare glassy carbon electrode | GCE | unknown · UnknownUnmodified glassy carbon electrode with 3 mm diameter used as electrochemical control. | p002 · Section 2.1 |
| Carbon nanohorns | CNHs | unknown · DerivedCarbon nanohorn nanomaterial with broad XRD feature at 2theta 19.0-23.0 degrees. | p002-p003 · Introduction; Section 3.1 · Figure 2 |
| Cobalt BDC metal-organic framework (Co-MOFs) | Co-BDC MOF; BDC = 1,4-benzenedicarboxylateCobalt ions/clusters from Co(NO3)2.6H2O · 1,4-benzenedicarboxylate from H2BDC | 2D · PristineLayered structural Co-based MOF matched to simulated Co-MOFs, Cambridge Crystallographic Data Center No. 153067; tremella-like nanosheets on GCE. | p001-p003 · Abstract; Sections 2.2 and 3.1 · Figure 1A; Figure 2 |
| Co-MOFs/carbon nanohorns composite | Co-MOFs/CNHsCobalt nodes in Co-BDC MOF component · BDC linkers in Co-MOF component | 2D · CompositeComposite film with Co-MOF nanosheets retaining Co-MOF diffraction peaks and carbon nanohorns attached/embedded on the nanosheets. | p001-p003 · Abstract; Sections 2.2 and 3.1 · Scheme 1; Figures 1B and 2 |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| Bare GCE controlresearch_0308__mat__mat_bare_gce | Electrode · Pristine Control · Unknown | Polished with 0.05 um Al2O3 slurry, washed with deionised water, and dried at room temperature.Glassy carbon electrode (GCE), 3 mm diameter | p002 · Sections 2.1 and 2.2 · Figures 4, 5, 6 |
| CNHs/GCE carbon control electroderesearch_0308__mat__mat_cnhs | Electrode · Composite Component · Derived Carbon | CNHs deposited on GCE by a similar electrodeposition method for comparison.Glassy carbon electrode (GCE), 3 mm diameter · Not reported. | p002-p003 · Section 2.2; Section 3.1 · Figures 2, 4, 5, 6 |
| Co-MOFs/CNHs/GCE composite sensing electroderesearch_0308__mat__mat_co_mof_cnhs | Electrode · Target Sample · Composite | Potentiostatic one-step co-deposition at -1.3 V vs SCE from DMF solution containing Co salt, H2BDC, Et3NHCl, and CNHs; precursor stirred vigorously during deposition.Glassy carbon electrode (GCE), 3 mm diameter · Electrodeposition time optimised at 200 s; film thickness not reported. | p002-p003 · Section 2.2 · Scheme 1 |
| Co-MOFs/GCE pristine MOF control electroderesearch_0308__mat__mat_co_mof | Electrode · Pristine Control · Pristine Framework | Electrodeposited Co-MOF film on GCE without CNHs for comparison.Glassy carbon electrode (GCE), 3 mm diameter · Not reported; prepared by similar electrodeposition method. | p002-p003 · Section 2.2; Section 3.1 · Figure 1A; Figure 2 |