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人血管內(nèi)皮鈣黏蛋白(VE-Cadherin)酶聯(lián)免疫吸附檢測試劑盒

ELK1084

規(guī)格：	價格：
48T	￥1680.00
96T	￥2400.00

下載說明 ①

Overview

Product name:	Human VE-Cadherin(Vascular Endothelial Cadherin) ELISA Kit
Reactivity:	Human
Alternative Names:	CD144; 7B4; Cadherin 5 Type 2; VE-Cadherin; Cadherin,Vascular Endothelial; CDH5; Cadherin 5
Assay Type:	Sandwich
Sensitivity:	29 pg/mL
Standard:	5000 pg/mL
Detection Range:	78.13-5000 pg/mL
Sample Type:	serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length:	3.5h
Research Area:	CD & Adhesion molecule;Tumor immunity;Infection immunity;
Uniprot ID:	P33151
Test principle:	The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Human VE-Cadherin. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human VE-Cadherin. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Human VE-Cadherin, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. 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 VE-Cadherin in the samples is then determined by comparing the OD of the samples to the standard curve.

標準曲線

Concentration (pg/mL)	OD	Corrected OD
5000.00	2.038	1.957
2500.00	1.407	1.326
1250.00	0.824	0.743
625.00	0.599	0.518
312.50	0.347	0.266
156.25	0.252	0.171
78.13	0.114	0.033
0.00	0.081	0.000

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

Matrix	Recovery range	Average
serum(n=5)	83-95%	89%
EDTA plasma(n=5)	79-93%	86%
Heparin plasma(n=5)	92-105%	98%

線性

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