Electrical Transport — 3D Co-doped Ni-based conductive MOFs modified electrochemical sensor for highly sensitive detection of L-tryptophan

Measurement evidence

Electrical Transport

3D Co-doped Ni-based conductive MOFs modified electrochemical sensor for highly sensitive detection of L-tryptophan · Huang W., Chen Y., Wu L. et al. · Talanta · 2022 · 123596

1 measurement group · 4 results

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

CV and EIS using ferri/ferrocyanide redox probe

Impedance spectroscopy Voltammetry

Co-Ni-MOFs-1%/GCE · Electrode

5 mmol L^-1 K3[Fe(CN)6]/K4[Fe(CN)6] solution; Co-Ni-MOFs-1%/GCE compared with Ni-MOFs/GCE and bare GCE.

Geometry: three-electrode cell with GCE working electrode, SCE reference and Pt counter electrode
Context: target electrode with pristine and bare controls
Measurement source: 5-6 · 3.1.5 · Fig. 4A-B

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Approximate Rct of bare GCE	about 1700 ohm from Fig. 4B semicircle	—	visual estimate from plotted semicircle	Figure Axis Approximate	6 · 3.1.5 · Fig. 4B
Approximate Rct of Co-Ni-MOFs-1%/GCEMarked as a best value within this paper	about 400-500 ohm from Fig. 4B semicircle	—	visual estimate; broad semicircle	Figure Axis Approximate	6 · 3.1.5 · Fig. 4B
Relative charge transfer resistanceMarked as a best value within this paper	Co-Ni-MOFs-1%/GCE lower Rct than Ni-MOFs/GCE and bare GCE	—	—	Qualitative Qualitative	5 · 3.1.5 · Fig. 4B
Approximate Rct of Ni-MOFs/GCE	about 1000 ohm from Fig. 4B semicircle	—	visual estimate from plotted semicircle	Figure Axis Approximate	6 · 3.1.5 · Fig. 4B