Primary studyPeripheral evidenceSensor

Epitaxial Self-Assembly of Interfaces of 2D Metal-Organic Frameworks for Electroanalytical Detection of Neurotransmitters

Stolz R.M., Kolln A.F., Rocha B.C. et al. · ACS Nano · 2022 · 13869-13883

3materials
11samples
4synthesis routes
35measurements
136results
6claims and caveats

Evidence map

Open a family to keep every result attached to its sample, method and conditions.

Author interpretations and caveats

Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.

Application RelevanceSupport assessment: Medium

For the biologically relevant organic probes, Co3(HHTP)2 and Ni3(HHTP)2 showed broadly similar trends, suggesting morphology and exposed interface were more important than metal identity under these conditions.

Caveat: This is a comparative interpretation from CV trends rather than an isolated statistical test of metal identity. | Schema-normalised claim_type from 'comparative' to 'application_relevance'; the original controlled-label wording is retained here.

8 · Application of Morphological Control · Linked to 4 structured results

Application RelevanceSupport assessment: Medium

MOF-coated electrodes enhance responses to positively charged dopamine relative to bare GCE while DOPAC responses remain small, supporting charge- and adsorption-mediated selectivity.

Caveat: At high 100 uM DA, Ni {100} current exceeds Ni {001}; low-concentration DPASV favours {001}. | Schema-normalised claim_type from 'selectivity' to 'application_relevance'; the original controlled-label wording is retained here. | Schema-normalised confidence from 'medium_high' to 'medium'; the original controlled-label wording is retained here.

8 · Application of Morphological Control · Linked to 6 structured results

Application RelevanceSupport assessment: High

The Ni3(HHTP)2 {001} electrode enables nanomolar dopamine detection, with 9.9 +/- 2 nM LOD in PBS and 214 +/- 48 nM in simulated CSF.

Caveat: Main text contains a conflicting simulated-CSF value of 241 +/- 48 nM in one paragraph; SI and abstract support 214 +/- 48 nM. | Schema-normalised claim_type from 'performance' to 'application_relevance'; the original controlled-label wording is retained here.

1 · Abstract · Linked to 2 structured results

CaveatSupport assessment: High

The study did not investigate electron-transfer rate/mechanism for BRO detection or impedance differences between {001} and {100} MOF-GCE heterostructures.

13879-13880 · Conclusion

Structure Property LinkSupport assessment: High

Morphological control exposes electrochemically distinct {100} and {001} facets; {100} facets give much faster K3Fe(CN)6 electron transfer than {001} facets, especially for Ni3(HHTP)2.

Caveat: Surface-insensitive probes showed less facet discrimination. | Schema-normalised claim_type from 'structure_property' to 'structure_property_link'; the original controlled-label wording is retained here.

42 · K3Fe(CN)6 on Ni3(HHTP)2 · Linked to 4 structured results

Transport MechanismSupport assessment: High

Langmuir isotherms and MD simulations indicate stronger, more exergonic dopamine adsorption on Ni3(HHTP)2 {001}, with pi-pi and hydrogen-bonding motifs that rationalise the low-concentration sensitivity.

Caveat: Langmuir model is ensemble-level and cannot distinguish every unique adsorption site on the anisotropic MOF surface. | Schema-normalised claim_type from 'mechanistic' to 'transport_mechanism'; the original controlled-label wording is retained here.

10 · Interpretation of Langmuir Isotherm Studies · Linked to 5 structured results

Material identities

Names and aliases are kept exactly within the paper’s own identity model.

MaterialCompositionStructure contextSource
Co3(HHTP)2Browse family: Co₃(HHTP)₂ / Co–HHTPNot specified['Co']unknown · Unknown1 · Abstract
glassy carbon electrodeNot specified[]unknown · Unknown4 · Choice of Electrodes
Ni3(HHTP)2Browse family: Ni₃(HHTP)₂ / Ni–HHTPNot specified['Ni']unknown · Unknown1 · Abstract

Sample register

Sample form, processing state and composition status define the context for measurements.

Show 11 sample records
SampleForm and roleProcessing and geometrySource
Co3(HHTP)2 {001} oriented film on GCEresearch_0818__mat__co_hhtpElectrode · Composite Sample · Compositecomposite_sample5 · Results and Discussion · Figure 2
Co3(HHTP)2 {001} computational slabresearch_0818__mat__co_hhtpModel · Model System · Modelmodel_system61 · Computational Methods · Figure S48
Co3(HHTP)2 {100} nanorods on GCEresearch_0818__mat__co_hhtpElectrode · Composite Sample · Compositecomposite_sample5 · Results and Discussion · Figure 2
Co3(HHTP)2 {100} computational slabresearch_0818__mat__co_hhtpModel · Model System · Modelmodel_system61 · Computational Methods · Figure S48
Co3(HHTP)2 hydrothermal powder/suspensionresearch_0818__mat__co_hhtpPowder · Target Sample · Pristine Frameworktarget_sample3 · General Synthesis
bare glassy carbon electroderesearch_0818__mat__glassy_carbonElectrode · Pristine Control · Unknownpristine_control4 · Choice of Electrodes
Ni3(HHTP)2 {001} oriented film on GCEresearch_0818__mat__ni_hhtpElectrode · Composite Sample · Compositecomposite_sample2 · Figure 1 · Figure 1
Ni3(HHTP)2 {001} computational slabresearch_0818__mat__ni_hhtpModel · Model System · Modelmodel_system61 · Computational Methods · Figure S48
Ni3(HHTP)2 {100} nanorods on GCEresearch_0818__mat__ni_hhtpElectrode · Composite Sample · Compositecomposite_sample2 · Figure 1 · Figure 1
Ni3(HHTP)2 {100} computational slabresearch_0818__mat__ni_hhtpModel · Model System · Modelmodel_system61 · Computational Methods · Figure S48
Ni3(HHTP)2 hydrothermal powder/suspensionresearch_0818__mat__ni_hhtpPowder · Target Sample · Pristine Frameworktarget_sample2 · General Synthesis