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人EGF样域蛋白7(EGFL7)微量上样酶联免疫吸附检测试剂盒

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ELK7259MS

规格：	价格：
48T	￥2240.00
96T	￥3200.00

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Overview

Product name:	Human EGFL7(EGF Like Domain Protein, Multiple 7) Microsample ELISA Kit
Reactivity:	Human
Alternative Names:	ZNEU1; MEGF7; Zneu1; Vascular endothelial statin; EGF Like Domain Containing 7; Epidermal growth factor-like protein 7; Multiple epidermal growth factor-like domains protein 7
Assay Type:	Sandwich
Sensitivity:	12.5 pg/mL
Standard:	2000 pg/mL
Detection Range:	31.25-2000 pg/mL
Sample Type:	Serum, plasma, tissue homogenates and other biological fluids
Assay Length:	3.5h
Research Area:	Signal transduction;
Uniprot ID:	Q9UHF1
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 EGFL7. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human EGFL7. 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 EGFL7, 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 EGFL7 in the samples is then determined by comparing the OD of the samples to the standard curve.

标准曲线

Concentration (pg/mL)	OD	Corrected OD
2000.00	1.982	1.911
1000.00	1.461	1.390
500.00	1.108	1.037
250.00	0.916	0.845
125.00	0.468	0.397
62.50	0.309	0.238
31.25	0.216	0.145
0.00	0.071	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 EGFL7 and the recovery rates were calculated by comparing the measured value to the expected amount of EGFL7 in samples.

Matrix	Recovery range	Average
serum(n=5)	80-99%	90%
EDTA plasma(n=5)	88-109%	99%
Heparin plasma(n=5)	81-108%	95%

线性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of EGFL7 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.