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人不對稱二甲基精氨酸(ADMA)酶聯(lián)免疫吸附檢測試劑盒

一鍵復(fù)制產(chǎn)品信息

ELK8616

規(guī)格：	價(jià)格：
48T	￥2240.00
96T	￥3200.00

下載說明 ①

Overview

Product name:	Human ADMA(Asymmetrical Dimethylarginine) ELISA Kit
Reactivity:	Human
Alternative Names:	N,N-Dimethylarginine; NG,NG-Dimethylarginine dihydrochloride; Asymmetric Dimethylarginine
Assay Type:	Competitive Inhibition
Sensitivity:	4.72 ng/mL
Standard:	1000 ng/mL
Detection Range:	15.63-1000 ng/mL
Sample type:	serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay length:	2h
Research Area:	Metabolic pathway;Cardiovascular biology;
Test principle:	This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human ADMA. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human ADMA. 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 ADMA in the samples is then determined by comparing the OD of the samples to the standard curve.

標(biāo)準(zhǔn)曲線

Concentration (ng/mL)	OD	Corrected OD
1000.00	0.235
500.00	0.385
250.00	0.546
125.00	0.895
62.50	1.389
31.25	1.596
15.63	1.733
0.00	2.256

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

Matrix	Recovery range	Average
serum(n=5)	81-96%	88%
EDTA plasma(n=5)	78-94%	86%
Heparin plasma(n=5)	90-103%	89%

線性

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