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大鼠前蛋白转化酶枯草溶菌素9(PCSK9)微量上样酶联免疫吸附检测试剂盒

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ELK7047MS

规格：	价格：
48T	￥2240.00
96T	￥3200.00

下载说明 ①

Overview

Product name:	Rat PCSK9(Proprotein Convertase Subtilisin/Kexin Type 9) Microsample ELISA Kit
Reactivity:	Rat
Alternative Names:	FH3; HCHOLA3; NARC1; Hypercholesterolemia,Autosomal Dominant 3; Neural apoptosis-regulated convertase 1; Proprotein convertase 9; Subtilisin/kexin-like protease PC9
Assay Type:	Sandwich
Sensitivity:	1.17 ng/mL
Standard:	200 ng/mL
Detection Range:	3.13-200 ng/mL
Sample Type:	serum, plasma, tissue homogenates and other biological fluids
Assay Length:	3.5h
Research Area:	Enzyme & Kinase;
Uniprot ID:	P59996
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 PCSK9. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat PCSK9. 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 PCSK9, 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 PCSK9 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
200.00	1.993	1.890
100.00	1.470	1.367
50.00	1.047	0.944
25.00	0.844	0.741
12.50	0.524	0.421
6.25	0.345	0.242
3.13	0.217	0.114
0.00	0.103	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 PCSK9 and the recovery rates were calculated by comparing the measured value to the expected amount of PCSK9 in samples.

Matrix	Recovery range	Average
serum(n=5)	90-117%	104%
EDTA plasma(n=5)	87-97%	92%
Heparin plasma(n=5)	89-106%	98%

线性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of PCSK9 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.