Sensing Application — Phthalocyanine-Based Two-Dimensional Conductive Metal-Organic Framework as Electrochemical Sensor for Highly Sensitive Detection of Nifedipine

4 measurement groups · 16 results

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

CoPc-Cu MOF/GCE · Electrode

DPV curves for 0.01-92.55 uM NIF in pH 7.0 PBS buffer at CoPc-Cu MOF/GCE.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DPV calibration slopeMarked as a best value within this paper	I = 0.0298 c + 0.0623	—	R2 = 0.9975	Text Exact Reported	5 · NIF detection · Figure 4
linear detection range for NIFMarked as a best value within this paper	0.01-92.55 uM	—	—	Text Range	5 · NIF detection · Figure 4; Table I
limit of detection for NIFMarked as a best value within this paper	6.0 nM (S/N = 3)	0.006 uM	S/N = 3	Text Exact Reported	5 · NIF detection · Table I

CoPc-Cu MOF/GCE · Electrode

NIF response measured while varying CoPc-Cu MOF concentration, coating amount, and PBS pH.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
optimal CoPc-Cu MOF coating amountMarked as a best value within this paper	5 ul	—	—	Text Exact Reported	5 · Optimization studies · Figure 3B
optimal CoPc-Cu MOF suspension concentrationMarked as a best value within this paper	3 mg ml-1	—	—	Text Exact Reported	5 · Optimization studies · Figure 3A
Ep versus pH slope	Ep (V) = -0.0532 pH + 1.0772	-53.2 mV pH-1	R2 = 0.9950	Text Exact Reported	5 · Optimization studies · Figure 3D
optimal PBS pHMarked as a best value within this paper	pH 7.0	—	—	Text Exact Reported	5 · Optimization studies · Figure 3C-D

CoPc-Cu MOF/GCE · Electrode

50 uM NIF in pH 7.0 PBS for reproducibility/stability; 2.0 uM NIF with common interferents for selectivity.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
five-sensor reproducibility RSD	3.05%	—	five parallel CoPc-Cu MOF/GCE sensors	Text Exact Reported	6 · Reproducibility, stability, and selectivity
selectivity interference threshold	relative error < +/-5% with listed interferents	—	—	Text Exact Reported	6 · Reproducibility, stability, and selectivity
storage-stability current retention	93.5% of original value after 11 d	—	stored at 4 C	Text Exact Reported	6 · Reproducibility, stability, and selectivity

CoPc-Cu MOF/GCE · Electrode

NIF tablet solutions filtered and diluted in methanol; measurements repeated three times for each sample.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NIF extended-release tablet amount by HPLC	30.25 mg tablet-1	—	—	Table Exact Reported	6 · Real sample analysis · Table II
NIF extended-release tablet label amount	30 mg tablet-1	—	—	Table Exact Reported	6 · Real sample analysis · Table II
NIF extended-release tablet amount by CoPc-Cu MOF/GCE method	30.34 mg tablet-1	—	RSD 3.08%	Table Exact Reported	6 · Real sample analysis · Table II
NIF tablet amount by HPLC	9.96 mg tablet-1	—	—	Table Exact Reported	6 · Real sample analysis · Table II
NIF tablet label amount	10 mg tablet-1	—	—	Table Exact Reported	6 · Real sample analysis · Table II
NIF tablet amount by CoPc-Cu MOF/GCE method	9.89 mg tablet-1	—	RSD 2.84%	Table Exact Reported	6 · Real sample analysis · Table II