Sensing Application — Aggregation-induced enhancement of pyrene-based metal-organic framework as a new electrochemiluminescence emitter for ultrasensitive detection of sulfadimethoxine

Measurement evidence

Sensing Application

Aggregation-induced enhancement of pyrene-based metal-organic framework as a new electrochemiluminescence emitter for ultrasensitive detection of sulfadimethoxine · Liu J., Mu Z., Zhou J. et al. · Food Chemistry · 2024 · 137270

10 measurement groups · 34 results

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

ECL condition optimisation

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Optimised cathodic co-reactant, PBS pH, AuNP volume, K2S2O8 concentration, SDM incubation time and tracer-label incubation time.

Geometry
aptasensor electrode
Context
full composite aptasensor
Measurement source
Experimental optimisation · Figs. S4-S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Optimum AuNPs volume10 uLText
Exact Reported
Experimental optimisation · Fig. S5B
Optimum K2S2O8 concentration0.05 MText
Exact Reported
Experimental optimisation · Fig. S5C
Optimum PBS pH7.0Text
Exact Reported
Experimental optimisation · Fig. S5A
Optimum SDM incubation time1.5 hText
Exact Reported
Experimental optimisation · Fig. S5D
Optimum tracer label incubation time2 hText
Exact Reported
Experimental optimisation · Fig. S5E

ECL SDM calibration

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

ECL response measured for SDM concentrations from 10.0 fg mL-1 to 100 ng mL-1; error bars n=3.

Geometry
aptasensor electrode in 0.1 M PBS, pH 7.0, containing 0.05 M K2S2O8
Context
full composite aptasensor
Measurement source
5 · 3.6 Detection of SDM with the prepared ECL aptasensor · Fig. 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Calibration correlation coefficientR = 0.9977Text
Exact Reported
5 · 3.6 Detection of SDM with the prepared ECL aptasensor · Fig. 4B
Calibration slope1973.70Text
Exact Reported
5 · 3.6 Detection of SDM with the prepared ECL aptasensor · Fig. 4B
SDM calibration upper bound100 ng mL-1Text
Exact Reported
1 · Abstract
SDM calibration lower bound10.0 fg mL-1Text
Exact Reported
1 · Abstract
SDM limit of detectionMarked as a best value within this paper1.28 fg mL-13S/m criterionText
Exact Reported
5 · 3.6 Detection of SDM with the prepared ECL aptasensor · Fig. 4B

Standard-addition recovery in milk and chicken-paste quality-control samples

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Milk centrifuged, stood, filtered and diluted 10 times with 0.1 M PBS pH 7.0; chicken paste extracted with ethyl acetate and diluted with PBS.

Geometry
aptasensor electrode
Context
full composite aptasensor applied to real matrices
Measurement source
7 · 3.8 Real sample analysis · Tables S4-S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Chicken-paste quality-control sample recovery99.8 to 108%reported range; numeric field is midpointText
Range
7 · 3.8 Real sample analysis · Table S5
Chicken-paste quality-control sample RSD2.51 to 5.40%reported range; numeric field is midpointText
Range
7 · 3.8 Real sample analysis · Table S5
Milk sample SDM recovery97.9 to 107%reported range; numeric field is midpointText
Range
7 · 3.8 Real sample analysis · Table S4
Milk sample RSD1.75-4.21%reported range; numeric field is midpointText
Range
7 · 3.8 Real sample analysis · Table S4

Intra- and inter-batch ECL repeatability

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Aptasensor constructed with SDM at 1 ng mL-1.

Geometry
aptasensor electrode
Context
full composite aptasensor
Measurement source
6 · 3.7 Selectivity, repeatability, and stability · Fig. 5B
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Inter-assay repeatability RSD3.72%Text
Exact Reported
6 · 3.7 Selectivity, repeatability, and stability · Fig. 5B
Intra-assay repeatability RSD4.26%Text
Exact Reported
6 · 3.7 Selectivity, repeatability, and stability · Fig. 5B

Raw ECL response table for milk samples

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Triplicate ECL intensity values for milk samples spiked with 100 ng mL-1, 10.0 ng mL-1, 1.00 ng mL-1 and 100 pg mL-1 SDM.

Geometry
aptasensor electrode
Context
full composite aptasensor in real milk matrix
Measurement source
14 · S10 Real sample analysis · Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Milk raw ECL intensity at 100 ng mL-1 SDM17571, 17633, 17583triplicate raw values; numeric is arithmetic meanSI Table
Exact Reported
14 · S10 Real sample analysis · Table S2
Milk raw ECL intensity at 100 pg mL-1 SDM11623, 11645, 11574triplicate raw values; numeric is arithmetic meanSI Table
Exact Reported
14 · S10 Real sample analysis · Table S2
Milk raw ECL intensity at 10.0 ng mL-1 SDM15548, 15532, 15564triplicate raw values; numeric is arithmetic meanSI Table
Exact Reported
14 · S10 Real sample analysis · Table S2
Milk raw ECL intensity at 1.00 ng mL-1 SDM13587, 13570, 13600triplicate raw values; numeric is arithmetic meanSI Table
Exact Reported
14 · S10 Real sample analysis · Table S2

Raw ECL response table for quality-control chicken-paste samples

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Triplicate ECL intensity values for quality-control samples containing 852 pg mL-1, 8.52 pg mL-1 and 85.2 fg mL-1 SDM.

Geometry
aptasensor electrode
Context
full composite aptasensor in chicken-paste quality-control matrix
Measurement source
14 · S10 Real sample analysis · Table S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Quality-control raw ECL intensity at 852 pg mL-1 SDM13490, 13468, 13400triplicate raw values; numeric is arithmetic meanSI Table
Exact Reported
14 · S10 Real sample analysis · Table S3
Quality-control raw ECL intensity at 85.2 fg mL-1 SDM5600, 5548, 5550triplicate raw values; numeric is arithmetic meanSI Table
Exact Reported
14 · S10 Real sample analysis · Table S3
Quality-control raw ECL intensity at 8.52 pg mL-1 SDM9597, 9577, 9554triplicate raw values; numeric is arithmetic meanSI Table
Exact Reported
14 · S10 Real sample analysis · Table S3

Recovery and RSD tables for milk and quality-control samples

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Mean found SDM, recovery and RSD values for milk samples and quality-control chicken-paste samples.

Geometry
aptasensor electrode
Context
full composite aptasensor in real matrices
Measurement source
15 · S10 Real sample analysis · Tables S4-S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
milk sample 1 recoveryadded 100 ng mL-1; found 107 ng mL-1; recovery 107%; RSD 3.87%RSD 3.87%SI Table
Exact Reported
15 · S10 Real sample analysis · Table S4
milk sample 4 recoveryadded 100 pg mL-1; found 99.5 pg mL-1; recovery 99.5%; RSD 4.21%RSD 4.21%SI Table
Exact Reported
15 · S10 Real sample analysis · Table S4
milk sample 2 recoveryadded 10.0 ng mL-1; found 9.80 ng mL-1; recovery 97.9%; RSD 1.87%RSD 1.87%SI Table
Exact Reported
15 · S10 Real sample analysis · Table S4
milk sample 3 recoveryadded 1.00 ng mL-1; found 0.992 ng mL-1; recovery 99.2%; RSD 1.75%RSD 1.75%SI Table
Exact Reported
15 · S10 Real sample analysis · Table S4
quality-control sample 1 recoverystandard 852 pg mL-1; found 850 pg mL-1; recovery 99.8%; RSD 5.4%RSD 5.4%SI Table
Exact Reported
15 · S10 Real sample analysis · Table S5
quality-control sample 3 recoverystandard 85.2 fg mL-1; found 85.7 fg mL-1; recovery 101%; RSD 3.54%RSD 3.54%SI Table
Exact Reported
15 · S10 Real sample analysis · Table S5
quality-control sample 2 recoverystandard 8.52 pg mL-1; found 9.23 pg mL-1; recovery 108%; RSD 2.51%RSD 2.51%SI Table
Exact Reported
15 · S10 Real sample analysis · Table S5

Interference/selectivity ECL assay

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

SDM at 10 pg mL-1; interfering substances SDZ, SDO, SMM and SMZ at 1 ng mL-1 and mixture.

Geometry
aptasensor electrode
Context
full composite aptasensor
Measurement source
6 · 3.7 Selectivity, repeatability, and stability · Fig. 5A
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Interferent concentration relative to SDM1 ng mL-1 interferents, 100 times higher than SDM at 10 pg mL-1Text
Exact Reported
5 · 3.7 Selectivity, repeatability, and stability · Fig. 5A
Selectivity against sulfonamide interferentsinterference signals did not significantly differ from blank; SDM and mixture signals comparable and much greaterText
Qualitative
6 · 3.7 Selectivity, repeatability, and stability · Fig. 5A

Room-temperature storage stability

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Prepared aptasensor analysed after three weeks storage at room temperature.

Atmosphere
room-temperature storage
Geometry
aptasensor electrode
Context
full composite aptasensor
Measurement source
7 · 3.7 Selectivity, repeatability, and stability · Fig. 5D
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Long-term ECL intensity decrease4.07% after three weeksText
Exact Reported
7 · 3.7 Selectivity, repeatability, and stability · Fig. 5D

Continuous cyclic-potential scan stability

SDM/MCH/dsDNA/AuNPs/Ce-MOF/GCE with ZPM/SP tracer · Electrode

Prepared sensor incubated with SDM (10 pg mL-1) and scanned for 11 subsequent cycles.

Geometry
aptasensor electrode
Context
full composite aptasensor
Measurement source
6 · 3.7 Selectivity, repeatability, and stability · Fig. 5C
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Short-term ECL intensity decrease3.45% after 11 scansText
Exact Reported
6 · 3.7 Selectivity, repeatability, and stability · Fig. 5C