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人T細胞活化的V結構域Ig抑制因子(VISTA)酶聯(lián)免疫吸附檢測試劑盒

一鍵復制產(chǎn)品信息

ELK9872

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

下載說明 ①

Overview

Product name:	Human VISTA(V-type immunoglobulin domain-containing suppressor of T-cell activation) ELISA Kit
Reactivity:	Human
Alternative Names:	V-type immunoglobulin domain-containing suppressor of T-cell activation; Platelet receptor Gi24; Stress-induced secreted protein-1; Sisp-1; V-set domain-containing immunoregulatory receptor; V-set immunoregulatory receptor; C10orf54; SISP1; VISTA; PP2135; UNQ730; PRO1412; VSIR; VISTA
Assay Type:	Sandwich
Sensitivity:	5.7 pg/mL
Standard:	1000 pg/mL
Detection Range:	15.63-1000 pg/mL
Sample type:	Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay length:	3.5h
Research Area:	Cardiovascular;
Uniprot ID:	Q9H7M9
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 VISTA. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human VISTA. 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 VISTA, 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 VISTA 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
1000.00	2.013	1.927
500.00	1.602	1.516
250.00	1.139	1.053
125.00	0.807	0.721
62.50	0.457	0.371
31.25	0.305	0.219
15.63	0.212	0.126
0.00	0.086	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 VISTA and the recovery rates were calculated by comparing the measured value to the expected amount of VISTA in samples.

Matrix	Recovery range	Average
serum(n=5)	88-102%	95%
EDTA plasma(n=5)	92-105%	98%
Heparin plasma(n=5)	80-95%	87%

線性

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