Wang S., Li P., Wang M. et al. · Electrochimica Acta · 2025 · 146933
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.
Cu3(HBC)2/SPE was applied to culture medium and indicated rutin uptake by normal and H2O2-damaged HUVECs; cell assays suggested rutin protection against oxidative injury.
Caveat: Several cell-assay numeric values are visual estimates from bar charts; the electrochemical result is an application demonstration rather than transport physics.
7 · 3.7.2. Effects of rutin on H2O2-damaged HUVECs · Fig. 6 · Linked to 4 structured results
The sensor can monitor rutin hydrolysis in acidic methanol, giving a first-order rate constant of 0.280 h-1.
Caveat: Hydrolysis product chemistry was monitored electrochemically; no independent chromatographic validation was reported.
6 · 3.5. Analytical performance · Fig. 5C · Linked to 2 structured results
Cu3(HBC)2/SPE provides low-micromolar/nanomolar rutin detection with a 0.0454-34.3088 uM linear range and 0.032 uM LOD.
Caveat: Calibration R2 is 0.976, so linearity is moderate rather than exceptional.
5 · 3.5. Analytical performance · Fig. 4A · Linked to 5 structured results
The authors acknowledge that the sensor has not yet been incorporated into a portable detection device.
7 · 4. Conclusions
Cu3(HBC)2 modification enhances rutin redox currents compared with bare SPE through more active sites, improved charge transfer, and larger effective surface area.
Caveat: Charge-transfer resistance was described qualitatively rather than fitted.
4 · 3.2. Electrochemical properties · Fig. 2C-D · Linked to 6 structured results
The reported diffraction pattern, HR-TEM lattice fringe, SEM morphology, and XPS composition support successful synthesis of crystalline Cu3(HBC)2.
Caveat: No CIF or refined crystallographic model was provided in the assigned documents.
3 · 3.1. Characterization of Cu3(HBC)2 · Fig. 1 · Linked to 4 structured results
Mixed Cu+/Cu2+ valence in Cu3(HBC)2 is claimed to facilitate electron delocalisation and improve conductivity.
Caveat: Conductivity is inferred from XPS/EIS and electrochemical response; no direct electronic conductivity value was reported.
3 · 3.1. Characterization of Cu3(HBC)2 · Fig. 1H · Linked to 3 structured results
Rutin sensing on Cu3(HBC)2/SPE is adsorption-controlled and favoured over Qct by stronger hydrophobic, pi-pi, and hydrogen-bonding interactions.
Caveat: Interaction mechanism is inferred from electrochemical behaviour and molecular functional-group arguments, not directly measured binding thermodynamics.
6 · 3.5. Analytical performance · Fig. 5A-B · Linked to 4 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| bare screen-printed electrode | carbon working electrode/carbon auxiliary electrode/Ag-AgCl reference electrode | unknown · Model SystemCommercial TE100 screen-printed electrode control. | 2 · 2.2. Instruments |
| Cu3(HBC)2 | Cu3(HBC)2Cu ions; mixed Cu+/Cu2+ states observed by XPS · HBC (hexabenzocoronene), non-planar conjugated catecholate-type linker | 2D · PristineConjugated nonplanar two-dimensional conductive metal-organic framework; XRD peaks assigned to (101), (110), (012), (300), (205), (523), and (336). | 1 · Abstract |
| Cu3(HBC)2/SPE | Cu3(HBC)2 on screen-printed carbon electrodeCu ions in Cu3(HBC)2 · HBC in Cu3(HBC)2 | 2D · CompositeDrop-cast Cu3(HBC)2-modified screen-printed electrode retaining nanoflower/nanosheet morphology on SPE. | 2 · 2.4. Modification of the SPEs · Fig. 2A |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| bare SPEresearch_0503__mat__bare_spe | Electrode · Pristine Control · Unknown | as-received TE100 SPEscreen-printed carbon electrode | 2 · 2.2. Instruments · Fig. 2C-D |
| Cu3(HBC)2 powderresearch_0503__mat__cu3_hbc2 | Powder · Pristine Control · Pristine Framework | centrifuged, washed with water/DMF/THF, vacuum dried | 2 · 2.3. Synthesis of Cu3(HBC)2 |
| Cu3(HBC)2/SPEresearch_0503__mat__cu3_hbc2_spe | Electrode · Target Sample · Composite | 2 uL Cu3(HBC)2 aqueous dispersion drop-cast and dried at 37 Cscreen-printed carbon working electrode | 2 · 2.4. Modification of the SPEs |