Liu J., Mu Z., Zhou J. et al. · Food Chemistry · 2024 · 137270
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 composite ECL aptasensor provides ultrasensitive SDM detection with fg mL-1 LOD, wide linear range, selectivity, repeatability and real-sample recovery.
Caveat: Application data are ECL aptasensor performance metrics; no direct bulk conductivity in S cm-1 was reported for the MOFs.
7 · 4 Conclusions · Linked to 15 structured results
The authors note that the constructed ECL sensor is still nascent and may face unknown practical difficulties.
7 · 4 Conclusions
Ce-MOF and AuNPs act as conductive substrate components that increase electrode peak current, electroactive area and DNA immobilisation capacity.
Caveat: Evidence is electrochemical peak current/electroactive area, not a direct conductivity value in S cm-1.
Electrochemical property of Ce-MOF · Fig. S3 · Linked to 4 structured results
SEM morphology, elemental mapping, UV-vis/FT-IR shifts and XPS evidence were used to support successful synthesis of ZPM.
Caveat: No PXRD pattern, CIF or topology assignment was present in the readable text.
3 · 3.1-3.2 · Figs. 1-2, S2 · Linked to 4 structured results
Immobilising H4TBAPy in the rigid, porous Zn-TBAPy MOF suppresses intramolecular motion, enriches co-reactant and increases luminophore loading, giving higher ECL response than H4TBAPy aggregations.
Caveat: Mechanistic explanation is author interpretation supported by comparative ECL and porosity, not by direct transport measurement.
2 · Introduction · Linked to 2 structured results
K2S2O8 serves as co-reactant for cathodic ECL of ZPM, shifting/enhancing the ZPM reduction response and enabling excited-state ZPM emission.
Caveat: Mechanism is inferred from CV/ECL curves and proposed radical reactions.
5 · 3.5 ECL mechanism of the ZPM/K2S2O8 systems · Scheme 1C, Fig. 3C-D · Linked to 4 structured results
Names and aliases are kept exactly within the paper’s own identity model.
| Material | Composition | Structure context | Source |
|---|---|---|---|
| SDM ECL aptasensor based on AuNPs/Ce-MOF and ZPM/SP | Not specifiedCe-MOF substrate and Zn-TBAPy-MOF tracer · H3BTC in Ce-MOF; H4TBAPy in ZPM; DNA probes | unknown · CompositeComposite ECL aptasensor electrode using Ce-MOF/AuNPs substrate, dsDNA/MCH recognition layer and ZPM/SP tracer. | 3 · 2.5 Construction of ECL aptasensor · Scheme 1B |
| gold nanoparticles (AuNPs) | AuAu nanoparticles from HAuCl4 · none | 0D · PristineCitrate-reduced gold nanoparticles used as conductive electrode component. | 5 · S3 Synthesis of AuNPs |
| AuNPs/Ce-MOF composite | Not specifiedCe nodes with Au nanoparticles · H3BTC in Ce-MOF; PEI dispersion additive | unknown · CompositeComposite electrode modifier comprising Ce-MOF dispersion and AuNPs. | 2 · Introduction |
| Ce-MOF | Not specifiedCe ions from Ce(NO3)3.6H2O · trimesic acid (H3BTC) | unknown · PristineCerium metal-organic framework used as conductive, high-surface-area aptasensor substrate. | 2 · Introduction |
| amino-labelled dsDNA complex | Not specifiednone · capture probe and SDM aptamer DNA oligonucleotides | 0D · Model SystemHybridised amino-labelled capture probe/aptamer duplex used for aptasensor recognition layer. | 3 · 2.4 Formation of dsDNA |
| glassy carbon electrode (GCE) | Cnone · none | unknown · Model SystemBare electrode control. | 3 · 2.5 Construction of ECL aptasensor |
| H4TBAPy aggregations | Not specifiednone · H4TBAPy ligand | 0D · Model SystemLigand aggregation control for ECL comparison with ZPM. | 5 · 3.4 ECL performance of ZPM · Fig. 3B |
| Zn-TBAPy-MOF (ZPM) | Not specifiedZn ions · 1,3,6,8-tetra(4-carboxyphenyl)pyrene (H4TBAPy) | unknown · PristinePyrene-based zinc metal-organic framework used as an aggregation-induced-enhanced ECL emitter. | 2 · Introduction |
| ZPM/SP tracer label | Not specifiedZn nodes in ZPM · H4TBAPy framework plus amino-labelled signal probe | unknown · CompositeSignal-probe-functionalised ZPM tracer label for ECL signal generation. | 3 · 2.3 Preparation of tracer label |
Sample form, processing state and composition status define the context for measurements.
| Sample | Form and role | Processing and geometry | Source |
|---|---|---|---|
| AuNPs/Ce-MOF/GCEresearch_0700__mat__mat_aunps_cemof | Electrode · Composite Sample · Composite | Ce-MOF dispersion and AuNPs sequentially added to GCEglassy carbon electrode | 3 · 2.5 Construction of ECL aptasensor |
| burgundy AuNPs solutionresearch_0700__mat__mat_aunps | Unknown · Composite Component · Unknown | citrate-reduced aqueous AuNP solution restored to original volume after cooling | 5 · S3 Synthesis of AuNPs |
| bare GCEresearch_0700__mat__mat_gce | Electrode · Model System · Model | polished and cleaned bare electrodeglassy carbon | 5 · Figure 3 caption · Fig. 3C-D |
| PEI-stabilised Ce-MOF dispersionresearch_0700__mat__mat_cemof | Unknown · Composite Component · Composite | Ce-MOF treated with 1% PEI overnight and redispersed in deionised water | 3 · 2.2 Preparation of Ce-MOF and its dispersion |
| Ce-MOF/GCEresearch_0700__mat__mat_cemof | Electrode · Pristine Control · Composite | Ce-MOF-modified electrodeglassy carbon electrode | Electrochemical property of Ce-MOF · Fig. S3 |
| Ce-MOF powderresearch_0700__mat__mat_cemof | Powder · Pristine Control · Pristine Framework | white precipitate washed and dried at 60 deg C | 3 · 2.2 Preparation of Ce-MOF and its dispersion |
| dsDNA/AuNPs/Ce-MOF/GCEresearch_0700__mat__mat_aptasensor | Electrode · Composite Sample · Composite | dsDNA immobilised overnight on AuNPs/Ce-MOF/GCEglassy carbon electrode | 3 · 2.5 Construction of ECL aptasensor |
| prepared dsDNA complexesresearch_0700__mat__mat_dsdna_complex | Unknown · Composite Component · Composite | amino-labelled CP and aptamer annealed by heating/cooling protocol | 3 · 2.4 Formation of dsDNA |
| SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracerresearch_0700__mat__mat_aptasensor | Electrode · Composite Sample · Composite | AuNPs/Ce-MOF/GCE with dsDNA, MCH blocking, SDM incubation and ZPM/SP tracer bindingglassy carbon electrode | 3 · 2.5 Construction of ECL aptasensor · Scheme 1B |
| H4TBAPy aggregationsresearch_0700__mat__mat_h4tbapy_agg | Unknown · Model System · Model | aggregation control for ECL comparison | 5 · 3.4 ECL performance of ZPM · Fig. 3B |
| ZPM/GCEresearch_0700__mat__mat_zpm | Electrode · Target Sample · Composite | ZPM immobilised on GCE for CV/ECL mechanism testsglassy carbon electrode | 5 · 3.5 ECL mechanism · Fig. 3C-D |
| ZPM yellow precipitate powderresearch_0700__mat__mat_zpm | Powder · Target Sample · Pristine Framework | centrifuged, washed with DMF, vacuum dried at 100 deg C | 3 · 2.1 Synthesis of ZPM |
| ZPM/SP tracer labelresearch_0700__mat__mat_zpm_sp | Unknown · Composite Sample · Composite | EDC/NHS-activated ZPM coupled to amino-labelled SP; redispersed in deionised water and stored at 4 deg C | 3 · 2.3 Preparation of tracer label |