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ELK Biotechnology

ELK9605

Mouse CXCL15(Chemokine C-X-C-Motif Ligand 15) ELISA Kit

Mouse CXCL15(Chemokine C-X-C-Motif Ligand 15) ELISA Kit

Sensitivity

Mouse CXCL15(Chemokine C-X-C-Motif Ligand 15) ELISA Kit

Overview

Product name: Mouse CXCL15(Chemokine C-X-C-Motif Ligand 15) ELISA Kit
Reactivity: Mouse
Alternative Names: C-X-C motif chemokine 15;Chemokine (C-X-C motif) ligand 15;Cxcl15;CXL15;Lungkine;Scyb15;Small inducible cytokine B15;Small inducible cytokine subfamily B member 15;Small-inducible cytokine B15;weche
Assay Type: Sandwich
Sensitivity: 46.88 pg/mL
Standard: 5000 pg/mL
Detection Range: 78.13-5000 pg/mL
Sample Type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length: 3.5h
Research Area: Immunology
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 CXCL15. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse CXCL15. 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 CXCL15, 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 CXCL15 in the samples is then determined by comparing the OD of the samples to the standard curve.

Standard curve

Concentration (ng/mL) OD Corrected OD
5000.00 2.043 1.957
2500.00 1.593 1.507
1250.00 1.188 1.102
625.00 0.757 0.671
312.50 0.532 0.446
156.25 0.357 0.271
78.13 0.230 0.144
0.00 0.086 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 CXCL15 and the recovery rates were calculated by comparing the measured value to the expected amount of CXCL15 in samples.
Matrix Recovery range Average
serum(n=5) 80-92% 86%
EDTA plasma(n=5) 82-98% 87%
Heparin plasma(n=5) 85-97% 91%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of CXCL15 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) 91-105% 93-103% 85-94% 87-101%
EDTA plasma(n=5) 85-101% 87-102% 87-93% 95-106%
Heparin plasma(n=5) 88-103% 81-98% 81-94% 83-96%
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