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高敏型大鼠干擾素γ誘導單核因子(MIg)酶聯免疫吸附檢測試劑盒
一鍵復制產品信息
ELK6022HS
規格: 價格:
48T ¥1960.00
96T ¥2800.00
96T*5 ¥11900.00

Overview

Product name: High Sensitivity Rat MIg(Monokine Induced By Interferon Gamma) ELISA Kit
Reactivity: Rat
Alternative Names: CXCL9; CMK; Humig; MI-G; SCYB9; Crg-10; Chemokine (C-X-C motif) ligand 9; Small-inducible cytokine B9; Gamma-interferon-induced monokine
Assay Type: Sandwich
Sensitivity: 0.91 pg/mL
Standard: 100 pg/mL
Detection Range: 1.57-100 pg/mL
Sample Type: Serum, plasma
Assay Length: 3.5h
Research Area: Cytokine;Infection 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 Rat MIg. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat MIg. 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 MIg, 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 MIg in the samples is then determined by comparing the OD of the samples to the standard curve.

標準曲線

Concentration (pg/mL) OD Corrected OD
100.00 2.245 2.164
50.00 1.628 1.547
25.00 1.243 1.162
12.50 0.797 0.716
6.25 0.632 0.551
3.13 0.342 0.261
1.57 0.174 0.093
0.00 0.081 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 MIg and the recovery rates were calculated by comparing the measured value to the expected amount of MIg in samples.
Matrix Recovery range Average
serum(n=5) 79-89% 84%
EDTA plasma(n=5) 91-105% 98%
Heparin plasma(n=5) 86-92% 89%

線性

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of MIg and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Matrix 1:2 1:4 1:8 1:16
serum(n=5) 81-89% 77-89% 89-98% 82-96%
EDTA plasma(n=5) 80-86% 84-92% 83-94% 83-94%
Heparin plasma(n=5) 89-96% 90-104% 88-101% 93-104%
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