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小鼠Ⅱ类主要组织相容性复合体DRβ1(MHCDRb1)微量上样酶联免疫吸附检测试剂盒

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ELK7247MS

规格：	价格：
48T	￥2240.00
96T	￥3200.00

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Overview

Product name:	Mouse MHCDRb1(Major Histocompatibility Complex Class II DR Beta 1) Microsample ELISA Kit
Reactivity:	Mouse
Alternative Names:	HLA-DRB1; HLA-DR1B; HLADRb1; HLA Class II Histocompatibility Antigen,DRB1-9 Beta Chain; HLA class II histocompatibility antigen, DRB1-15 beta chain
Assay Type:	Sandwich
Sensitivity:	12 pg/mL
Standard:	2500 pg/mL
Detection Range:	39.07-2500 pg/mL
Sample Type:	Serum, plasma, tissue homogenates, cell lysates and other biological fluids.
Assay Length:	3.5h
Research Area:	Tumor immunity;Infection immunity;Immune molecule;Immunodeficiency;Autoimmunity;
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 Mouse MHCDRb1. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse MHCDRb1. 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 Mouse MHCDRb1, 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 Mouse MHCDRb1 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
2500.00	2.115	2.027
1250.00	1.631	1.543
625.00	1.268	1.180
312.50	0.802	0.714
156.25	0.450	0.362
78.13	0.333	0.245
39.06	0.253	0.165
0.00	0.088	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 MHCDRb1 and the recovery rates were calculated by comparing the measured value to the expected amount of MHCDRb1 in samples.

Matrix	Recovery range	Average
serum(n=5)	88-108%	98%
EDTA plasma(n=5)	93-117%	105%
Heparin plasma(n=5)	87-93%	90%

线性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of MHCDRb1 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.