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Chicken IL16(Interleukin 16) ELISA Kit
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ELK2601
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48 T $412.00
96 T $588.00
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Overview

Product name: Chicken IL16(Interleukin 16) ELISA Kit
Reactivity: Chicken
Alternative Names: IL-16;LCF; PrIL-16; Lymphocyte Chemoattractant Factor; Pro-Interleukin 16
Assay Type: Sandwich
Sensitivity: 3.2 pg/mL
Standard: 500 pg/mL
Detection Range: 7.82-500 pg/mL
Sample type: serum, plasma and other biological fluids
Assay length: 3.5h
Research Area: Cytokine;Infection immunity;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 Chicken IL16. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Chicken IL16. 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 Chicken IL16, 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 Chicken IL16 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
500.00 2.132 2.029
250.00 1.628 1.525
125.00 1.043 0.940
62.50 0.872 0.769
31.25 0.589 0.486
15.63 0.335 0.232
7.82 0.215 0.112
0.00 0.103 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 IL16 and the recovery rates were calculated by comparing the measured value to the expected amount of IL16 in samples.
Matrix Recovery range Average
serum(n=5) 92-107% 99%
EDTA plasma(n=5) 93-107% 100%
Heparin plasma(n=5) 87-99% 93%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IL16 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) 91-99% 85-93% 82-95% 93-99%
EDTA plasma(n=5) 79-91% 87-96% 83-101% 82-95%
Heparin plasma(n=5) 86-93% 88-92% 86-97% 90-101%