Measurement evidence
A highly sensitive AgNPs/Ni3(HHTP)2 SERS substrate for the detection of food additives and pesticide residues · Yuan Y., Zhou Z., Hao X. et al. · Physica Scripta · 2024 · 105604
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
AgNPs/Ni3(HHTP)2 SERS substrate on silicon wafer · Thin Film
SI EF calculation used 633 nm laser, 0.5 mW laser energy, 0.5 um spot radius, and 10 ul crystal violet on a 0.5 cm x 0.5 cm silicon wafer.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| SERS enhancement factor for AgNPs/Ni3(HHTP)2Marked as a best value within this paper | 2.4 x 10^6 | — | — | Text Rounded Reported | SERS enhancement factor (EF) calculation |
AgNPs/Ni3(HHTP)2 SERS substrate on silicon wafer · Thin Film
CV in anhydrous ethanol; 10 ul deposited and dried; Raman spectra at 633 nm, 1 mW, 1 um spot, 5 s integration.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| crystal violet calibration intercept at 1618 cm^-1 | Y = 7057.37X + 98105.65 | — | — | Figure Axis Rounded Reported | 7 · SERS Studies · Figure 6(b) |
| crystal violet calibration R2 at 1618 cm^-1 | R^2 = 0.97 | — | — | Visual Estimate Approximate | 7 · SERS Studies · Figure 6(b) |
| crystal violet calibration slope at 1618 cm^-1 | Y = 7057.37X + 98105.65 | — | — | Figure Axis Rounded Reported | 7 · SERS Studies · Figure 6(b) |
| crystal violet minimum detectable concentrationMarked as a best value within this paper | 10^-14 M | 1e-14 mol L^-1 | — | Text Exact Reported | 7 · SERS Studies · Figure 6(a), Figure S7 |
| crystal violet characteristic SERS peaks | 799, 1371, and 1618 cm^-1 | — | — | Text Rounded Reported | 7 · SERS Studies · Figure 6(a) |
AgNPs/Ni3(HHTP)2 SERS substrate on silicon wafer · Thin Film
Aspartame and sunset yellow prepared in deionized water; pretreatment otherwise identical to CV SERS testing.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| aspartame calibration intercept at 1002 cm^-1 | y = 1342x + 9704 | — | — | Figure Axis Rounded Reported | 8 · Practical application of the substrate · Figure 7(b) |
| aspartame calibration slope at 1002 cm^-1 | y = 1342x + 9704 | — | — | Figure Axis Rounded Reported | 8 · Practical application of the substrate · Figure 7(b) |
| aspartame minimum detectable concentration | 10^-7 M | 1e-7 mol L^-1 | — | Text Exact Reported | 8 · Practical application of the substrate · Figure 7(a,b) |
| aspartame SERS calibration R2 | R2 = 0.904 at 1002 cm^-1 | — | — | Text Rounded Reported | 8 · Practical application of the substrate · Figure 7(b) |
| Table S3 aspartame maximum level | 0.3 g/kg (GB 2760-2024) | 0.3 g/kg | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 aspartame maximum level in mol/L | 10^-3 mol/L | 0.001 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 aspartame minimum concentration tested | 10^-7 mol/L | 1e-7 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 sunset yellow maximum level | 0.025 g/kg (GB 2760-2024) | 0.025 g/kg | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 sunset yellow maximum level in mol/L | 5*10^-5 mol/L | 0.00005 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 sunset yellow minimum concentration tested | 10^-7 mol/L | 1e-7 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| sunset yellow calibration intercept at 1596 cm^-1 | y = 637x + 5155 | — | — | Figure Axis Rounded Reported | 8 · Practical application of the substrate · Figure 7(d) |
| sunset yellow calibration slope at 1596 cm^-1 | y = 637x + 5155 | — | — | Figure Axis Rounded Reported | 8 · Practical application of the substrate · Figure 7(d) |
| sunset yellow minimum detectable concentration | 10^-7 M | 1e-7 mol L^-1 | — | Text Exact Reported | 9 · Practical application of the substrate · Figure 7(c,d) |
| sunset yellow SERS calibration R2 | R2 = 0.967 at 1596 cm^-1 | — | — | Text Rounded Reported | 9 · Practical application of the substrate · Figure 7(d) |
AgNPs/Ni3(HHTP)2 SERS substrate on silicon wafer · Thin Film
10^-11 M CV molecules adsorbed on AgNPs/Ni3(HHTP)2; LabRAM HR Evolution confocal Raman spectrometer.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| SERS mapping RSD at 1618 cm^-1 | 10.09% | — | — | Text Exact Reported | 8 · SERS Studies · Figure 6(c,d), Figure S8 |
flexible PDMS AgNPs/Ni3(HHTP)2 SERS substrate · Thin Film
Thiram and thiabendazole ethanol solutions sprayed onto apple and cucumber; flexible substrate adhered for 5 min, peeled, and Raman tested.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Table S3 thiabendazole maximum level | 0.01 g/kg (GB 2763-2021) | 0.01 g/kg | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 thiabendazole maximum level in mol/L | 4*10^-5 mol/L | 0.00004 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 thiabendazole minimum concentration tested | 10^-8 mol/L | 1e-8 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 thiram maximum level | 0.005 g/kg (GB 2763-2021) | 0.005 g/kg | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 thiram maximum level in mol/L | 10^-5 mol/L | 0.00001 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| Table S3 thiram minimum concentration tested | 10^-8 mol/L | 1e-8 mol/L | — | SI Table Rounded Reported | 10 · Table S3 · Table S3 |
| thiabendazole calibration intercept at 1384 cm^-1 | y = 1131x + 10945 | — | — | Figure Axis Rounded Reported | 9 · Practical application of the substrate · Figure 8(d) |
| thiabendazole calibration slope at 1384 cm^-1 | y = 1131x + 10945 | — | — | Figure Axis Rounded Reported | 9 · Practical application of the substrate · Figure 8(d) |
| thiabendazole minimum detectable concentration on cucumber | 10^-9 M | 1e-9 mol L^-1 | — | Text Exact Reported | 9 · Practical application of the substrate · Figure 8(c,d) |
| thiabendazole SERS calibration R2 | R2 = 0.983 at 1600 cm^-1 | — | — | Text Rounded Reported | 9 · Practical application of the substrate · Figure 8(d) |
| thiram calibration intercept at 1384 cm^-1 | y = 1173x + 11536 | — | — | Figure Axis Rounded Reported | 9 · Practical application of the substrate · Figure 8(b) |
| thiram calibration slope at 1384 cm^-1 | y = 1173x + 11536 | — | — | Figure Axis Rounded Reported | 9 · Practical application of the substrate · Figure 8(b) |
| thiram minimum detectable concentration on apple | 10^-9 M | 1e-9 mol L^-1 | — | Text Exact Reported | 9 · Practical application of the substrate · Figure 8(a,b) |
| thiram SERS calibration R2 | R2 = 0.981 at 1382 cm^-1 | — | — | Text Rounded Reported | 9 · Practical application of the substrate · Figure 8(b) |