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Mouse MIg(Monokine Induced By Interferon Gamma) Microsample ELISA Kit
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ELK1336MS
Size： Price：
48 T $265.00
96 T $376.00
96 T*5 $1598.00
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Overview

Product name: Mouse MIg(Monokine Induced By Interferon Gamma) Microsample ELISA Kit
Reactivity: Mouse
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: 6.1 pg/mL
Standard: 1000 pg/mL
Detection Range: 15.63-1000 pg/mL
Sample Type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length: 3.5h
Research Area: Cytokine;Infection immunity;
Uniprot ID: P18340
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 MIg. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse 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 Mouse 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 Mouse MIg in the samples is then determined by comparing the OD of the samples to the standard curve.

Standard curve

Concentration (pg/mL) OD Corrected OD
1000.00 2.167 2.072
500.00 1.692 1.597
250.00 1.177 1.082
125.00 0.901 0.806
62.50 0.652 0.557
31.25 0.438 0.343
15.63 0.218 0.123
0.00 0.095 0.000

Precision

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.

Recovery

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) 85-93% 89%
EDTA plasma(n=5) 93-102% 98%
Heparin plasma(n=5) 92-106% 99%

Linearity

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) 81-117% 87-94% 82-90% 91-115%
EDTA plasma(n=5) 87-105% 82-108% 84-113% 80-104%
Heparin plasma(n=5) 90-97% 85-107% 84-92% 84-112%

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