Sensing Application — Adjustable Synthesis of Ni-Based Metal-Organic Framework Membranes and Their Field-Effect Transistor Sensors for Mercury Detection

7 measurement groups · 16 results

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

S4-based unmodified Ni3(HITP)2 FET sensor control · Electrode

Ni3(HITP)2, Ni3(HITP)2-GA and Ni3(HITP)2-DNA FET sensors tested with 10 pM to 100 nM Hg2+ sequence.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ni3(HITP)2-DNA control response	responds to Hg2+ ions to some degree	—	—	Text Qualitative	627 · 3.2. Hg2+ Sensing Performance · Figure S9
Ni3(HITP)2 and Ni3(HITP)2-GA control response	almost no response to Hg2+	—	—	Text Qualitative	627 · 3.2. Hg2+ Sensing Performance · Figure S9

S1-based Ni3(HITP)2-GA-DNA FET sensor · Electrode

15 uL PBS blank followed by 15 uL Hg2+ solutions from 10 pM to 100 nM; Vgs = -0.1 V and Vds = -0.1 V at room temperature.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S1 Hg2+ final current response	drain current increases transiently then returns to the initial current value; final current response almost no change with concentration	—	—	Text Qualitative	627 · 3.2. Hg2+ Sensing Performance · Figure 6a

S2-based Ni3(HITP)2-GA-DNA FET sensor · Electrode

15 uL PBS blank followed by 15 uL Hg2+ solutions from 10 pM to 100 nM; Vgs = -0.1 V and Vds = -0.1 V at room temperature.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S2 Hg2+ final current response	drain current increases transiently then returns to the initial current value; final current response almost no change with concentration	—	—	Text Qualitative	627 · 3.2. Hg2+ Sensing Performance · Figure 6b

S3-based Ni3(HITP)2-GA-DNA FET sensor · Electrode

15 uL PBS blank followed by 15 uL Hg2+ solutions from 10 pM to 100 nM; Vgs = -0.1 V and Vds = -0.1 V at room temperature.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S3 Hg2+ response magnitude	current change is less than 1 uA after adding Hg2+	—	less than	Text Approximate	627 · 3.2. Hg2+ Sensing Performance · Figure 6c

S4-based Ni3(HITP)2-GA-DNA FET sensor · Electrode

15 uL PBS blank followed by 15 uL Hg2+ solutions from 10 pM to 100 nM; Vgs = -0.1 V and Vds = -0.1 V at room temperature.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S4 upper end of linear Hg2+ detection rangeMarked as a best value within this paper	100 nM	1e-7 M	—	Text Exact Reported	627 · 3.2. Hg2+ Sensing Performance · Figure 7
S4 lower end of linear Hg2+ detection rangeMarked as a best value within this paper	10 pM	1e-11 M	—	Text Exact Reported	627 · 3.2. Hg2+ Sensing Performance · Figure 7
S4 calibration intercept in plotted fitMarked as a best value within this paper	Y = 1.32X + 16.78	—	—	Figure Axis Exact Reported	627 · Figure 7 · Figure 7
S4 calibration R2Marked as a best value within this paper	R2 = 0.981	—	—	Figure Axis Exact Reported	627 · Figure 7 · Figure 7
S4 calibration slope in plotted fitMarked as a best value within this paper	Y = 1.32X + 16.78	—	—	Figure Axis Exact Reported	627 · Figure 7 · Figure 7
S4 current response at 100 nM Hg2+Marked as a best value within this paper	about 7.5 uA from Figure 7 point/fit	—	about	Visual Estimate Approximate	627 · Figure 7 · Figure 7
S4 current response at 10 pM Hg2+	about 2.3 uA from Figure 7 point/fit	—	about	Visual Estimate Approximate	627 · Figure 7 · Figure 7

S4-based Ni3(HITP)2-GA-DNA FET sensor · Electrode

Sensor stored at 0-4 deg C and retested after 26 h.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Reusability after 26 h	performance degradation; sensor is only used as a one-time-use sensor	—	—	Text Qualitative	627 · 3.2. Hg2+ Sensing Performance · Figure S10

S4-based Ni3(HITP)2-GA-DNA FET sensor · Electrode

10 mM Cu2+, Cd2+, Pb2+, Zn2+, Mg2+ and Co2+ nontarget ions compared with 10 pM Hg2+; 15 uL aliquots in PBS.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Target Hg2+ selectivity response concentrationMarked as a best value within this paper	10 pM Hg2+ gives significant drain-current change	1e-11 M	—	Text Exact Reported	627 · 3.2. Hg2+ Sensing Performance · Figure 8
Estimated Figure 8 Hg2+ current responseMarked as a best value within this paper	about 3.4 uA at 10 pM Hg2+	—	about	Visual Estimate Approximate	627 · Figure 8 · Figure 8
Nontarget-ion response	almost no change or only a slight change for 10 mM Cu2+, Cd2+, Pb2+, Zn2+, Mg2+ and Co2+	—	—	Text Qualitative	627 · 3.2. Hg2+ Sensing Performance · Figure 8