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大鼠成纤维细胞激活蛋白α(FAPa)微量上样酶联免疫吸附检测试剂盒

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ELK6814MS

规格：	价格：
48T	￥2240.00
96T	￥3200.00

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Overview

Product name:	Rat FAPa(Fibroblast Activation Protein Alpha) Microsample ELISA Kit
Reactivity:	Rat
Alternative Names:	APCE; SIMP; DPPIV; Seprase; 170 kDa melanoma membrane-bound gelatinase; Post-proline cleaving enzyme; Serine integral membrane protease; Surface-expressed protease
Assay Type:	Sandwich
Sensitivity:	0.119 ng/mL
Standard:	20 ng/mL
Detection Range:	0.32-20 ng/mL
Sample Type:	serum, plasma, tissue homogenates and other biological fluids
Assay Length:	3.5h
Research Area:	Tumor immunity;Dermatology;
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 Rat FAPa. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat FAPa. 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 Rat FAPa, 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 Rat FAPa in the samples is then determined by comparing the OD of the samples to the standard curve.

标准曲线

Concentration (ng/mL)	OD	Corrected OD
20.00	2.143	2.054
10.00	1.700	1.611
5.00	1.102	1.013
2.50	0.949	0.860
1.25	0.493	0.404
0.63	0.300	0.211
0.31	0.188	0.099
0.00	0.089	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 FAPa and the recovery rates were calculated by comparing the measured value to the expected amount of FAPa in samples.

Matrix	Recovery range	Average
serum(n=5)	91-99%	95%
EDTA plasma(n=5)	81-93%	87%
Heparin plasma(n=5)	90-98%	94%

线性

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