Electrochemistry Application — Ultrasmall Au(0) Inserted Hollow PCN-222 MOF for the High-Sensitive Detection of Estradiol

3 measurement groups · 15 results

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

AuHPCN-222/GCE · Electrode

5 mM [Fe(CN)6]3-/[Fe(CN)6]4- containing 0.1 M KCl; scan rate shown in Figure 3a.

Geometry: modified GCE, three-electrode system with Ag/AgCl reference and Pt counter
Context: comparison of AuHPCN-222/GCE, AuSPCN-222/GCE, AuNP/GCE, HPCN-222/GCE and bare GCE
Measurement source: rendered page 3 / article p.4568 · Electrochemical Studies · Figure 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
anodic current for AuHPCN-222/GCE in ferri/ferrocyanideMarked as a best value within this paper	126 uA	126 uA	—	Text Exact Reported	rendered page 3 / article p.4568 · Electrochemical Studies · Figure 3a
anodic current for AuNP/GCE in ferri/ferrocyanide	109 uA	109 uA	—	Text Exact Reported	rendered page 3 / article p.4568 · Electrochemical Studies · Figure 3a
anodic current for AuSPCN-222/GCE in ferri/ferrocyanide	112 uA	112 uA	—	Text Exact Reported	rendered page 3 / article p.4568 · Electrochemical Studies · Figure 3a
anodic current for bare GCE in ferri/ferrocyanide	65 uA	65 uA	—	Text Exact Reported	rendered page 3 / article p.4568 · Electrochemical Studies · Figure 3a
anodic current for HPCN-222/GCE in ferri/ferrocyanide	107 uA	107 uA	—	Text Exact Reported	rendered page 3 / article p.4568 · Electrochemical Studies · Figure 3a

AuHPCN-222/GCE · Electrode

Calculated from CV in 5 x 10-3 M [Fe(CN)6]3-/[Fe(CN)6]4-, scan rate 0.1 V s-1, D = 6.5 x 10-6 cm2 s-1.

Geometry: modified GCE
Context: comparison of bare GCE and modified GCEs
Measurement source: rendered page 4 / article p.4569 · Electrochemical Studies · Equation 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
effective electrocatalytic surface area of AuHPCN-222/GCEMarked as a best value within this paper	0.120 cm2	0.12 cm2	—	Calculated From Reported Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Equation 2
effective electrocatalytic surface area of AuNP/GCE	0.106 cm2	0.106 cm2	—	Calculated From Reported Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Equation 2
effective electrocatalytic surface area of AuSPCN-222/GCE	0.109 cm2	0.109 cm2	—	Calculated From Reported Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Equation 2
effective electrocatalytic surface area of bare GCE	0.064 cm2	0.064 cm2	—	Calculated From Reported Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Equation 2
effective electrocatalytic surface area of HPCN-222/GCE	0.103 cm2	0.103 cm2	—	Calculated From Reported Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Equation 2

AuHPCN-222/GCE · Electrode

Nyquist plots in 5 mM [Fe(CN)6]3-/[Fe(CN)6]4- containing 0.1 M KCl; frequency 0.1-10 kHz; SI reports EIS bias potential 0.170 V.

Geometry: modified GCE in three-electrode system
Context: comparison of MOF-modified, AuNP-modified and bare GCE electrodes
Measurement source: rendered page 4 / article p.4569 · Electrochemical Studies · Figure 3b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
charge-transfer resistance Rct for AuHPCN-222/GCEMarked as a best value within this paper	50 ohm	50 ohm	—	Text Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Figure 3b
charge-transfer resistance Rct for AuNP/GCE	66 ohm	66 ohm	—	Text Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Figure 3b
charge-transfer resistance Rct for AuSPCN-222/GCE	63 ohm	63 ohm	—	Text Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Figure 3b
charge-transfer resistance Rct for bare GCE	141 ohm	141 ohm	—	Text Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Figure 3b
charge-transfer resistance Rct for HPCN-222/GCE	85 ohm	85 ohm	—	Text Exact Reported	rendered page 4 / article p.4569 · Electrochemical Studies · Figure 3b