Human NSE(Neuron Specific Enolase) ELISA Kit (E-EL-H1047)

Name: Human NSE(Neuron Specific Enolase) ELISA Kit
Brand: Elabscience
SKU: E-EL-H1047
Price: 150.0 USD
Availability: InStock

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Human NSE(Neuron Specific Enolase) ELISA Kit - 1

Size	Price	Qty
96T	$ 495.00	- +
48T	$ 396.00	- +
24T	$ 150.00	- +
96T*5	Inquire	/
96T*10	Inquire	/

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Product Summary

Sensitivity	1.4 ng/mL
Detection Range	2.34-150 ng/mL
Sample Volume	100 μL
Total Assay Time	3 h 30 min
Reactivity	Human
Specificity	This kit recognizes Human NSE in samples. No significant cross-reactivity or interference between Human NSE and analogues was observed
Recovery	80%-120%
Sample Type	Serum, plasma and other biological fluids
Detection Method	Colorimetric method, ELISA, Sandwich
Assay Type	Sandwich-ELISA
Size	96T / 48T / 24T / 96T5 / 96T10
Storage	2-8℃
Expiration Date	12 months

Performance

Typical data

The following data was generated by the Quality Control Department, under controlled laboratory conditions (ambient temperature: 18-25 °C, relative humidity: 35-75%) using standardized procedures (TMB reaction at 37 °C in the dark for 15 minutes, followed by termination and OD measurement). These values are provided for reference only. Actual results may vary due to differences in laboratory conditions, operator technique, and equipment. Users are required to generate a standard curve using their own experimental data.

ng/mL	OD1	OD2	Mean OD	Corrected OD
150	2.174	2.096	2.135	2.064
75	1.522	1.526	1.524	1.453
37.5	0.843	0.857	0.850	0.779
18.75	0.508	0.482	0.495	0.424
9.38	0.277	0.263	0.270	0.199
4.69	0.165	0.163	0.164	0.093
2.34	0.126	0.118	0.122	0.051
0	0.069	0.073	0.071	-

Precision

Intra-assay Precision (Within-run Precision): Three samples representing low, mid, and high concentrations of Human IL-6 were tested 20 times on a single plate.

Inter-assay Precision (Between-run Precision): Three samples representing low, mid, and high concentrations of Human IL-6 were tested on three separate plates, with 20 replicates per plate, to assess variability among assays.

/	Intra-assay Precision			Inter-assay Precision
Sample	1	2	3	1	2	3
Numbers	20	20	20	20	20	20
Mean（ng/mL）	8.030	22.370	68.100	8.790	24.240	62.570
Standard deviation	0.380	1.370	3.940	0.700	2.040	4.720
CV（%）	4.690	6.120	5.790	7.920	8.410	7.540

Recovery

The recovery of Human NSE was evaluated by spiking samples at low, mid, and high concentrations across the assay range in various sample matrices.
The assay performance was assessed by comparing the measured concentrations to the expected spiked amounts to determine the percent recovery.

Sample Type	Range （%）	Average Recovery（%）
Cell culture media （n=8）	88-100	95
Serum （n=8）	94-108	102
EDTA plasma （n=8）	84-99	90

Linearity

Linearity of the assay was evaluated by spiking samples with high concentrations of Human NSE and performing serial dilutions using Standard & Sample Diluent to produce concentrations spanning the assay's dynamic range. The measured values were then compared to the expected concentrations to assess the linearity of response.

/	/	Cell culture media （n=5）	EDTA plasma （n=5）	Serum （n=5）
1:2	Range	88-102	91-104	93-105
1:2	Average	95	99	100
1:4	Range	94-109	81-94	97-110
1:4	Average	100	88	104
1:8	Range	96-112	86-98	93-107
1:8	Average	104	93	101

Stability

Each kit batch is subjected to accelerated stability testing and real-time stability monitoring. Sample performance is evaluated after storage at 37 °C for 10 days to assess the impact of elevated temperature on assay reliability and reagent integrity.

/	Variation range of 37°C mean concentration / 2-8°C mean
Sample 1（n=16）	105.91-108.18
Sample 2（n=16）	88.64-106.88

Test Principle

This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human NSE. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human NSE and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human NSE, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human NSE. You can calculate the concentration of Human NSE in the samples by comparing the OD of the samples to the standard curve.

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