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高敏型人可溶性fms樣酪氨酸激酶1(sFLT)酶聯(lián)免疫吸附檢測試劑盒

一鍵復(fù)制產(chǎn)品信息

ELK9339HS

規(guī)格：	價格：
48T	￥1680.00
96T	￥2400.00
96T*5	￥10200.00

下載說明 ①

Overview

Product name:	High Sensitivity Human sFLT(Soluble Fms-Like Tyrosine Kinase Receptor 1) ELISA Kit
Reactivity:	Human
Alternative Names:	Flt1; Fms-Related Tyrosine Kinase 1; Vascular Permeability Factor Receptor; Fms-like tyrosine kinase 1; Tyrosine-protein kinase receptor FLT
Assay Type:	Sandwich
Sensitivity:	2.8 pg/mL
Standard:	250 pg/mL
Detection Range:	3.91-250 pg/mL
Sample Type:	Serum, plasma
Assay Length:	3.5h
Research Area:	Signal transduction;Tumor immunity;
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 sFLT. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human sFLT. 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 sFLT, 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 sFLT 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
250.00	2.328	2.237
125.00	1.645	1.554
62.50	1.243	1.152
31.25	0.839	0.748
15.63	0.589	0.498
7.82	0.262	0.171
3.91	0.152	0.061
0.00	0.091	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 sFLT and the recovery rates were calculated by comparing the measured value to the expected amount of sFLT in samples.

Matrix	Recovery range	Average
serum(n=5)	87-95%	91%
EDTA plasma(n=5)	85-95%	90%
Heparin plasma(n=5)	78-92%	85%

線性

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