Sensing Application — A Novel Electrocatalyst Pd(II)@Ni3(HITP)2 for Ultrasensitive Detection of Chloramphenicol: Experimental and Computational Investigation

8 measurement groups · 31 results

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

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.05 mL/mg · Powder

DPV measurements in CAP concentration gradient from 0 to 200 μM; calibration over 0.2 nM to 20 μM.

Atmosphere: PBS
Geometry: modified GCE
Context: application_with_pristine_control
Measurement source: 7-8 · Electrocatalytic Detection of CAP · Figure 7c,d; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DPV calibration R2	R2 = 0.986	—	—	Figure Axis Rounded Reported	7 · Electrocatalytic Detection of CAP · Figure 7d
linear range upper boundMarked as a best value within this paper	20 μM	—	—	Table Exact Reported	8 · Table 1 · Table 1
linear range lower boundMarked as a best value within this paper	0.0002 μM (0.2 nM)	—	—	Table Exact Reported	8 · Table 1 · Table 1
limit of detectionMarked as a best value within this paper	0.2 nM	—	—	Table Exact Reported	8 · Table 1 · Table 1
limit of detection mass concentrationMarked as a best value within this paper	64.6 pg/mL	—	—	Text Exact Reported	1 · Abstract

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.05 mL/mg · Powder

DPV peak currents in 200 μM CAP over Pd(II)@Ni3(HITP)2 samples with different PdCl2 loading masses.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DPV peak current at 0.02 mL/mg PdCl2 loading	~0 μA	—	—	Figure Axis Approximate	6 · Electrocatalytic Detection of CAP · Figure 6a
DPV peak current at 0.05 mL/mg PdCl2 loadingMarked as a best value within this paper	~107 μA	—	—	Figure Axis Approximate	8 · Repeatability and Stability · Figure 8b
DPV peak current at 0.076 mL/mg PdCl2 loading	~48 μA	—	—	Figure Axis Approximate	6 · Electrocatalytic Detection of CAP · Figure 6a

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.05 mL/mg · Powder

DPV with pH 3-11 and interfering substances in 200 μM CAP.

Atmosphere: PBS, pH 3-11
Geometry: modified GCE
Context: application_with_pristine_control
Measurement source: 8 · pH Resistance, Anti-Interference and Real Sample Test · Figure S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
anti-interference against inorganic/nitro-containing species	10-fold concentration does not significantly affect CAP detection	—	—	Text Qualitative	8 · pH Resistance, Anti-Interference and Real Sample Test · Figure S11b
pH resistance upper bound	pH 11	—	—	Text Exact Reported	8 · pH Resistance, Anti-Interference and Real Sample Test · Figure S11a
pH resistance lower bound	pH 3	—	—	Text Exact Reported	8 · pH Resistance, Anti-Interference and Real Sample Test · Figure S11a

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.05 mL/mg · Powder

Honey diluted to 0.02 g/mL and tap water to 0.01 mL/mL; spiked with 200 and 20 μM CAP; n=5.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
real-sample replicate cycles	5 cycles	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Honey 200 μM spike found concentration	172 μM	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Honey 200 μM spike recovery	86.18 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Honey 200 μM spike RSD	1.184 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Honey 20 μM spike found concentration	18 μM	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Honey 20 μM spike recovery	91.89 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Honey 20 μM spike RSD	2.647 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Tap water 200 μM spike found concentration	147 μM	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Tap water 200 μM spike recovery	73.48 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Tap water 200 μM spike RSD	3.850 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Tap water 20 μM spike found concentration	17 μM	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Tap water 20 μM spike recovery	84.26 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1
Tap water 20 μM spike RSD	3.145 %	—	—	SI Table Exact Reported	9 · Table S1 · Table S1

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.05 mL/mg · Powder

CA real-time monitoring of CAP additions.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
real-time CA response	obvious current change on CAP addition followed by slow decay	—	—	Text Qualitative	8 · pH Resistance, Anti-Interference and Real Sample Test · Figure S12

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.05 mL/mg · Powder

10 repeated DPV cycles under 50 mV/s in 200 μM CAP PBS electrolyte.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
repeat DPV cycles	10 cycles	—	—	Caption Exact Reported	9 · Figure caption · Figure 8a,b
repeatability peak current	around 107 μA	—	—	Text Approximate	8 · Repeatability and Stability · Figure 8b

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.05 mL/mg · Powder

DPV after supernate storage for 1 month and modified electrode storage for 7 days in air.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
modified electrode storage stability	reused after 7 days	—	—	Text Qualitative	8 · Repeatability and Stability · Figure 8d
supernate storage stability	reused after 1 month	—	—	Text Qualitative	8 · Repeatability and Stability · Figure 8d

Pd(II)@Ni3(HITP)2, PdCl2 loading mass 0.076 mL/mg · Powder

EIS, DPV, and CV for lower and higher PdCl2 loading variants.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
0.02 mL/mg variant CAP activity	no catalytic activity to CAP	—	—	Text Qualitative	7 · Electrocatalytic Detection of CAP · Figure S10
0.076 mL/mg variant LOD	20 nM	—	—	Text Rounded Reported	7 · Electrocatalytic Detection of CAP · Figure S10