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人胃動素(MTL)酶聯(lián)免疫吸附檢測試劑盒

ELK1430

規(guī)格：	價格：
48T	￥1960.00
96T	￥2800.00

下載說明 ①

Overview

Product name:	Human MTL(Motilin) ELISA Kit
Reactivity:	Human
Alternative Names:	MLN;? MAP; Promotilin; Motilin-associated peptide
Assay Type:	Competitive Inhibition
Sensitivity:	27.62 pg/mL
Standard:	6000 pg/mL
Detection Range:	93.75-6000 pg/mL
Sample Type:	Serum, plasma and other biological fluids
Assay Length:	2h
Research Area:	Endocrinology;Gastroenterology;Hormone metabolism;
Test principle:	This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human MTL. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human MTL. 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 MTL in the samples is then determined by comparing the OD of the samples to the standard curve.

標(biāo)準(zhǔn)曲線

Concentration (pg/mL)	OD	Corrected OD
6000.00	0.197
3000.00	0.310
1500.00	0.451
750.00	0.598
375.00	0.763
187.50	1.439
93.75	1.796
0.00	2.028

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 MTL and the recovery rates were calculated by comparing the measured value to the expected amount of MTL in samples.

Matrix	Recovery range	Average
serum(n=5)	87-102%	94%
EDTA plasma(n=5)	95-106%	101%
Heparin plasma(n=5)	84-99%	91%

線性

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