Electrochemistry Application — A conductive MOF with bimetallic spontaneously recycled systems as a signal enhancer for the ultrasensitive detection of T-2 toxin using an electrochemical aptasensor

5 measurement groups · 12 results

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

CV and EIS

Impedance spectroscopy Voltammetry

C-Ni1.5Co1.5(HITP)2/GCE · Electrode

MOF-modified GCEs measured in 5 mM [Fe(CN)6]4-/3- solution.

Geometry: Modified glassy carbon electrode
Context: Pristine Ni3(HITP)2/GCE and Co-doped MOF/GCE controls compared.
Measurement source: 4 · Fig. 1 caption · Fig. 1B-C

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CV response rankingMarked as a best value within this paper	Most significant CV response for Ni1.5Co1.5(HITP)2/GCE; Ni0.6Co2.4(HITP)2/GCE descending signal	—	—	Text Qualitative	3 · 3.1 · Fig. 1B
EIS semicircle trendMarked as a best value within this paper	Ni2.4Co0.6(HITP)2 and Ni1.5Co1.5(HITP)2 decreased semicircle diameter; Ni0.6Co2.4(HITP)2 increased semicircle versus the lower-Co samples	—	—	Text Qualitative	3-4 · 3.1 · Fig. 1C

CV and EIS

Impedance spectroscopy Voltammetry

Au-Thi-Au@C-Ni1.5Co1.5(HITP)2/GCE · Electrode

Bare GCE, C-Ni1.5Co1.5(HITP)2/GCE, and Au-Thi-Au@C-Ni1.5Co1.5(HITP)2/GCE measured using 5 mM [Fe(CN)6]4-/3- redox probe.

Geometry: Modified GCE
Context: Composite probe compared with conductive MOF and bare GCE.
Measurement source: 6 · 3.3 · Fig. 3A-B

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Composite probe electrochemical responseMarked as a best value within this paper	Au-Thi-Au@C-Ni1.5Co1.5(HITP)2/GCE shows the most pronounced current response and the lowest charge-transfer resistance	—	—	Text Qualitative	6 · 3.3 · Fig. 3A-B

CV scan-rate dependence

Voltammetry

Au-Thi-Au@C-Ni1.5Co1.5(HITP)2/GCE · Electrode

CV of Au-Thi-Au@C-Ni1.5Co1.5(HITP)2 modified electrode at 0.02-0.20 V/s.

Geometry: Modified GCE
Context: Composite signal probe electrode.
Measurement source: 6 · 3.3 · Fig. 3C-D

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Redox process interpretation	Diffusion-controlled process	—	—	Text Qualitative	6 · 3.3 · Fig. 3C-D
CV scan-rate range maximum	0.20 V/s	—	—	Text Exact Reported	6 · 3.3 · Fig. 3C
CV scan-rate range minimum	0.02 V/s	—	—	Text Exact Reported	6 · 3.3 · Fig. 3C
Linear fit R2, oxidation peak current vs sqrt(scan rate)	R2 = 0.979	—	—	Figure Axis Rounded Reported	6 · Fig. 3D · Fig. 3D
Linear fit R2, reduction peak current vs sqrt(scan rate)	R2 = 0.975	—	—	Figure Axis Rounded Reported	6 · Fig. 3D · Fig. 3D

Stepwise CV and EIS

Impedance spectroscopy Voltammetry

CP1 bioconjugate/ExoIII/S1-S2/BSA/HP1/DpAu/GCE aptasensor · Electrode

CV and EIS of bare GCE, DpAu/GCE, HP1/DpAu/GCE, BSA/HP1/DpAu/GCE, S1-S2/BSA/HP1/DpAu/GCE, ExoIII/S1-S2/BSA/HP1/DpAu/GCE and CP1 bioconjugate/ExoIII/S1-S2/BSA/HP1/DpAu/GCE in 5.0 mM [Fe(CN)6]4-/3- containing 0.1 M KCl.

Geometry: Modified GCE
Context: Aptasensor construction stages.
Measurement source: 6-7 · 3.4 · Fig. 3E-F

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CP1 bioconjugate restores current and lowers EIS semicircle	Introduction of CP1 bioconjugate recovered redox peak currents and decreased semicircle diameter	—	—	Text Qualitative	7 · 3.4 · Fig. 3E-F

Square-wave voltammetry

Voltammetry

C-Ni1.5Co1.5(HITP)2/GCE · Electrode

SWV curves of MOF-modified GCEs in 0.1 M HAc-NaAc solution (pH 5.5) containing thionine (1 mg/mL).

Geometry: MOF-modified GCE
Context: Pristine Ni3(HITP)2 and Co-doped controls.
Measurement source: 4 · Fig. 1 caption · Fig. 1D

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SWV thionine current enhancement, Ni0.6Co2.4(HITP)2	Delta I = 8.12 uA	—	—	Figure Axis Rounded Reported	4 · Fig. 1D · Fig. 1D
SWV thionine current enhancement, Ni1.5Co1.5(HITP)2Marked as a best value within this paper	Delta I = 55.19 uA	—	—	Figure Axis Rounded Reported	4 · Fig. 1D · Fig. 1D
SWV thionine current enhancement, Ni2.4Co0.6(HITP)2	Delta I = 10.37 uA	—	—	Figure Axis Rounded Reported	4 · Fig. 1D · Fig. 1D