Sensing Application — Conductive Ni3(HITP)2 nanofilm with asymmetrical morphology prepared by gas–liquid interface self-assembly for glucose sensing

7 measurement groups · 24 results

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

Chronoamperometric response

Chronoamperometry

DS-Ni-HITP-3 min/ITO electrode · Electrode

Successive additions of glucose to 0.1 M NaOH at 0.45, 0.50, and 0.55 V; selectivity at 0.50 V.

Temperature: 298
Geometry: three-electrode glucose sensor
Context: pristine Ni3(HITP)2 film on ITO electrode
Measurement source: p007 / 2381 · Results and discussion · Fig. 5a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Optimal catalytic potential for DS-Ni-HITPMarked as a best value within this paper	0.50 V	—	—	Text Exact Reported	p007 / 2381 · Results and discussion · Fig. 5a,b
Selectivity against common interferents	current increases with 100 uM glucose but shows no obvious signal after 10 uM AA, UA, Lac, Fru, DA and KCl	—	—	Text Qualitative	p007 / 2381 · Results and discussion · Fig. 5c

Cyclic voltammetry glucose calibration

Voltammetry

US-Ni-HITP-1 min/ITO electrode · Electrode

SI comparison of US-Ni-HITP-1 min/ITO and DS-Ni-HITP-1 min/ITO in different glucose concentrations; calibration of oxidation peak current versus glucose concentration.

Temperature: 298
Geometry: three-electrode electrochemical glucose sensor; Ni3(HITP)2 film on ITO
Context: pristine Ni3(HITP)2 film on ITO electrode
Measurement source: p004 · Supporting Information · Fig. S6a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DS-Ni-HITP-1 min glucose calibration R2Marked as a best value within this paper	R2 = 0.9973	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6c
DS-Ni-HITP-1 min glucose calibration slopeMarked as a best value within this paper	y = 0.0470x + 0.3937	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6c
US-Ni-HITP-1 min glucose calibration R2	R2 = 0.9937	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6c
US-Ni-HITP-1 min glucose calibration slope	y = 0.0341x + 0.4115	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6c

Cyclic voltammetry glucose calibration

Voltammetry

US-Ni-HITP-5 min/ITO electrode · Electrode

SI comparison of US-Ni-HITP-5 min/ITO and DS-Ni-HITP-5 min/ITO in different glucose concentrations; calibration of oxidation peak current versus glucose concentration.

Temperature: 298
Geometry: three-electrode electrochemical glucose sensor; Ni3(HITP)2 film on ITO
Context: pristine Ni3(HITP)2 film on ITO electrode
Measurement source: p004 · Supporting Information · Fig. S6d-f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DS-Ni-HITP-5 min glucose calibration R2	R2 = 0.9991	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6f
DS-Ni-HITP-5 min glucose calibration slopeMarked as a best value within this paper	y = 0.0650x + 0.2787	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6f
US-Ni-HITP-5 min glucose calibration R2Marked as a best value within this paper	R2 = 0.9993	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6f
US-Ni-HITP-5 min glucose calibration slope	y = 0.0606x + 0.3103	—	—	Visual Estimate Approximate	p004 · Supporting Information · Fig. S6f

Cyclic voltammetry glucose sensing

Voltammetry

DS-Ni-HITP-3 min/ITO electrode · Electrode

0.1 M NaOH, 0.2-0.8 V vs Ag/AgCl, 50 mV s^-1; glucose concentrations 0-6 mM for linear calibration.

Temperature: 298
Geometry: three-electrode electrochemical glucose sensor
Context: pristine Ni3(HITP)2 film on ITO electrode
Measurement source: p005-p006 / 2379-2380 · Results and discussion · Fig. 4b,d,e and Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DS-Ni-HITP glucose calibration R2	R2 = 0.9984	—	—	Text Exact Reported	p006 / 2380 · Results and discussion · Fig. 4e
DS-Ni-HITP linear glucose range	0-6 mM	—	—	Text Range	p006 / 2380 · Results and discussion · Fig. 4e; Table 1
DS-Ni-HITP glucose limit of detectionMarked as a best value within this paper	0.09 uM	0.09 uM	—	Text Exact Reported	p006 / 2380 · Results and discussion · Fig. 4e; Table 1
DS-Ni-HITP glucose sensitivityMarked as a best value within this paper	183.5 uA mM^-1 cm^-2	183.5 uA mM^-1 cm^-2	—	Text Exact Reported	p006 / 2380 · Results and discussion · Fig. 4e; Table 1

Cyclic voltammetry glucose sensing control

Voltammetry

bare ITO · Electrode

0.1 M NaOH with absence and presence of 2 mM glucose.

Temperature: 298
Geometry: bare ITO working electrode
Context: bare ITO control
Measurement source: p006 / 2380 · Results and discussion · Fig. 4b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Bare ITO glucose catalytic activity	no catalytic activity to glucose; no redox peaks in absence or presence of glucose	—	—	Qualitative Qualitative	p006 / 2380 · Results and discussion · Fig. 4b

Cyclic voltammetry glucose sensing

Voltammetry

US-Ni-HITP-3 min/ITO electrode · Electrode

0.1 M NaOH, 0.2-0.8 V vs Ag/AgCl, 50 mV s^-1; glucose concentrations 0-8 mM.

Temperature: 298
Geometry: three-electrode electrochemical glucose sensor
Context: pristine Ni3(HITP)2 film on ITO electrode
Measurement source: p005-p006 / 2379-2380 · Results and discussion · Fig. 4b,c,e and Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
US-Ni-HITP glucose calibration R2Marked as a best value within this paper	R2 = 0.9993	—	—	Text Exact Reported	p006 / 2380 · Results and discussion · Fig. 4e
US-Ni-HITP linear glucose range	0-8 mM	—	—	Text Range	p006 / 2380 · Results and discussion · Fig. 4e; Table 1
US-Ni-HITP glucose limit of detection	0.26 uM	0.26 uM	—	Text Exact Reported	p006 / 2380 · Results and discussion · Fig. 4e; Table 1
US-Ni-HITP glucose sensitivity	64.7 uA mM^-1 cm^-2	64.7 uA mM^-1 cm^-2	—	Text Exact Reported	p006 / 2380 · Results and discussion · Fig. 4e; Table 1

Repeatability, reproducibility and long-term stability tests

DS-Ni-HITP-3 min/ITO electrode · Electrode

2 mM glucose response; five independent electrodes for repeatability, five continuous tests for reproducibility, storage in air at room temperature for 0-267 days.

Temperature: 298
Atmosphere: stored in air at room temperature for stability test
Geometry: three-electrode glucose sensor
Context: pristine Ni3(HITP)2 film on ITO electrode
Measurement source: p007 / 2381 · Results and discussion · Fig. 5d, Fig. S7, Fig. S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Repeatability RSD across five electrodes	3.32%	—	—	Text Exact Reported	p007 / 2381 · Results and discussion · Fig. S10
Reproducibility RSD over five tests with one electrode	6.54%	—	—	Text Exact Reported	p007 / 2381 · Results and discussion · Fig. S7
Response current retained after 15 days	91.5% of original value	—	—	Text Exact Reported	p007 / 2381 · Results and discussion · Fig. 5d
Response current retained after 267 days	70.7% of original value	—	—	Text Exact Reported	p007 / 2381 · Results and discussion · Fig. 5d
Response current retained after 48 days	84.8% of original value	—	—	Text Exact Reported	p007 / 2381 · Results and discussion · Fig. 5d