Sensing Application — Cu-Based Conductive MOF Grown in situ on Cu Foam as a Highly Selective and Stable Non-Enzymatic Glucose Sensor

6 measurement groups · 35 results

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

Cu-MOF/CF electrode · Electrode

Successive glucose additions into 0.1 M NaOH under constant stirring at +0.65 V; glucose concentrations from 1 uM to 3.45 mM.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
calibration intercept	2.58 mA cm-2	—	—	Text Exact Reported	6 · Electrochemical Characterizations · Figure 4D
calibration R2	R2 = 0.997	—	—	Text Exact Reported	6 · Electrochemical Characterizations · Figure 4D
calibration slope	j (mA cm-2) = 30.03c + 2.58	—	—	Text Exact Reported	6 · Electrochemical Characterizations · Figure 4D
amperometric glucose concentrations added	1 uM to 3.45 mM	—	—	Text Range	6 · Electrochemical Characterizations · Figure 4C
linear detection rangeMarked as a best value within this paper	0.001-0.95 mM	—	—	Text Range	6 · Electrochemical Characterizations · Figure 4D
limit of detectionMarked as a best value within this paper	0.076 uM (S/N = 3)	—	S/N = 3	Text Exact Reported	6 · Electrochemical Characterizations · Figure 4D
steady-state response timeMarked as a best value within this paper	2 s	—	—	Text Exact Reported	6 · Electrochemical Characterizations · Figure 4E
reported sensitivityMarked as a best value within this paper	30,030 mA uM-1 cm-2	—	—	Text Exact Reported	6 · Electrochemical Characterizations · Figure 4D
SI Table S1 linear range for Cu-MOF/CF	0.001-1.45 mM	—	—	SI Table Range	3 · Table S1 · Table S1
SI Table S1 LOD for Cu-MOF/CF	0.076 uM	—	—	SI Table Exact Reported	3 · Table S1 · Table S1
SI Table S1 sensitivity for Cu-MOF/CF	30030 uA mM-1 cm-2	—	—	SI Table Exact Reported	3 · Table S1 · Table S1

Cu-MOF/CF electrode · Electrode

1 mM glucose successively added to 0.1 M NaOH at +0.50, +0.55, +0.60, +0.65 and +0.70 V.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
chosen optimal amperometric potentialMarked as a best value within this paper	+0.65 V	—	—	Text Exact Reported	6 · Electrochemical Characterizations · Figure 4B
potentials tested for amperometry	+0.50, +0.55, +0.60, +0.65 and +0.70 V	—	—	Text Range	6 · Electrochemical Characterizations · Figure 4B

Cu-MOF/CF electrode · Electrode

Six Cu-MOF/CF electrodes prepared separately under the same conditions and tested for 1 mM glucose oxidation.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
six-electrode average current density	37.55 mA cm-2	—	SD 1.15 mA cm-2; RSD 3.06%	SI Table Exact Reported	5 · Table S2 · Table S2
electrode 1 current density	36.54 mA cm-2	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
electrode 2 current density	36.07 mA cm-2	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
electrode 3 current density	37.19 mA cm-2	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
electrode 4 current density	38.25 mA cm-2	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
electrode 5 current density	39.12 mA cm-2	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
electrode 6 current density	38.12 mA cm-2	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
six-electrode RSD	3.06%	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
six-electrode current SD	1.15 mA cm-2	—	—	SI Table Exact Reported	5 · Table S2 · Table S2
number of independent electrodes	six Cu-MOF/CF electrodes	—	—	Text Exact Reported	7 · Electrochemical Characterizations · Figure 6B

Cu-MOF/CF electrode · Electrode

Glucose and interfering species added in 0.1 M NaOH; interferents include Lac, Fru, AA, UR, UA, NaCl and DA.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
anti-interference response	salient signal for glucose; no obvious signal for Lac, Fru, AA, UR, UA, NaCl or DA	—	—	Text Qualitative	7 · Electrochemical Characterizations · Figure 4F

Cu-MOF/CF electrode · Electrode

Cu-MOF/CF used to determine glucose concentration in three human serum samples at 0.65 V in 0.1 M NaOH; compared with commercial glucometer.

Temperature: room temperature
Geometry: three-electrode amperometric sensor
Context: Cu-MOF/CF target electrode
Measurement source: 6 · Electrochemical Characterizations · Figure 5; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
serum sample 1 glucometer value	4.8 mM	—	—	Table Exact Reported	6 · Table 1 · Table 1
serum sample 1 RSD	3.25%	—	SD 0.16	Table Exact Reported	6 · Table 1 · Table 1
serum sample 1 sensor value	5.09 mM	—	SD 0.16; RSD 3.25%	Table Exact Reported	6 · Table 1 · Table 1
serum sample 2 glucometer value	5.2 mM	—	—	Table Exact Reported	6 · Table 1 · Table 1
serum sample 2 RSD	1.48%	—	SD 0.08	Table Exact Reported	6 · Table 1 · Table 1
serum sample 2 sensor value	5.13 mM	—	SD 0.08; RSD 1.48%	Table Exact Reported	6 · Table 1 · Table 1
serum sample 3 glucometer value	6.4 mM	—	—	Table Exact Reported	6 · Table 1 · Table 1
serum sample 3 RSD	3.44%	—	SD 0.22	Table Exact Reported	6 · Table 1 · Table 1
serum sample 3 sensor value	6.64 mM	—	SD 0.22; RSD 3.44%	Table Exact Reported	6 · Table 1 · Table 1

Cu-MOF/CF electrode · Electrode

Cu-MOF/CF response to 1 mM glucose tested every 7 days for 1 month.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
stability test interval	tested every 7 days for 1 month	—	—	Text Exact Reported	7 · Electrochemical Characterizations · Figure 6A
current retention after one monthMarked as a best value within this paper	96% of initial catalytic activity after a month	—	—	Text Exact Reported	7 · Electrochemical Characterizations · Figure 6A