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人神经介素S(NMS)酶联免疫吸附检测试剂盒

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ELK5226

规格：	价格：
48T	￥1960.00
96T	￥2800.00

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Overview

Product name:	Human NMS(Neuromedin S) ELISA Kit
Reactivity:	Human
Alternative Names:	NM-S
Assay Type:	Competitive Inhibition
Sensitivity:	53.4 pg/mL
Standard:	10000 pg/mL
Detection Range:	156.25-10000 pg/mL
Sample type:	Serum, plasma, tissue homogenates and other biological fluids
Assay length:	2h
Research Area:	Signal transduction;Metabolic pathway;Neuro science;Gastroenterology;Hormone metabolism;
Uniprot ID:	Q5H8A3
Test principle:	This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human NMS. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human NMS. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Human NMS in the samples is then determined by comparing the OD of the samples to the standard curve.

标准曲线

Concentration (pg/mL)	OD	Corrected OD
10000.00	0.212
5000.00	0.386
2500.00	0.557
1250.00	0.857
625.00	1.156
312.50	1.511
156.25	1.715
0.00	2.211

精密度

Intra-assay Precision (Precision within an assay)：CV%<8%

Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays)：CV%<10%

Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.

回收率

Matrices listed below were spiked with certain level of recombinant NMS and the recovery rates were calculated by comparing the measured value to the expected amount of NMS in samples.

Matrix	Recovery range	Average
serum(n=5)	88-102%	95%
EDTA plasma(n=5)	83-98%	90%
Heparin plasma(n=5)	81-95%	86%

线性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of NMS and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.