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Human CXCL16(Chemokine C-X-C-Motif Ligand 16) Microsample ELISA Kit
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ELK1068MS
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48 T $265.00
96 T $376.00
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Overview

Product name: Human CXCL16(Chemokine C-X-C-Motif Ligand 16) Microsample ELISA Kit
Reactivity: Human
Alternative Names: SR-PSOX; CXCLG16; SRPSOX; Scavenger receptor for phosphatidylserine and oxidized low density lipoprotein; Small-inducible cytokine B16
Assay Type: Sandwich
Sensitivity: 0.06 ng/mL
Standard: 10 ng/mL
Detection Range: 0.16-10 ng/mL
Sample Type: serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Assay Length: 3.5h
Research Area: Cytokine;Tumor immunity;Infection immunity;
Uniprot ID: Q9H2A7
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 Human CXCL16. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human CXCL16. 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 Human CXCL16, 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 Human CXCL16 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
10.00 1.939 1.818
5.00 1.642 1.521
2.50 1.241 1.120
1.25 0.890 0.769
0.63 0.616 0.495
0.31 0.332 0.211
0.16 0.231 0.110
0.00 0.121 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 CXCL16 and the recovery rates were calculated by comparing the measured value to the expected amount of CXCL16 in samples.
Matrix Recovery range Average
serum(n=5) 85-96% 91%
EDTA plasma(n=5) 89-96% 93%
Heparin plasma(n=5) 93-112% 103%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of CXCL16 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) 86-111% 90-100% 94-111% 92-117%
EDTA plasma(n=5) 94-116% 83-89% 91-108% 85-107%
Heparin plasma(n=5) 93-103% 94-120% 83-111% 80-87%

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