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ELK Biotechnology

ELK9670

Rabbit IL17(Interleukin 17) ELISA Kit

Rabbit IL17(Interleukin 17) ELISA Kit

Sensitivity

Rabbit IL17(Interleukin 17) ELISA Kit

Overview

Product name: Rabbit IL17(Interleukin 17) ELISA Kit
Reactivity: Rabbit
Alternative Names: IL-17;IL17A; CTLA8; IL-17A; Cytotoxic T-Lymphocyte-Associated Protein 8
Assay Type: Sandwich
Sensitivity: 6.5 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;
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 Rabbit IL17. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rabbit IL17. 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 Rabbit IL17, 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 Rabbit IL17 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
1000.00 2.126 2.045
500.00 1.575 1.494
250.00 1.106 1.025
125.00 0.828 0.747
62.50 0.563 0.482
31.25 0.312 0.231
15.63 0.252 0.171
0.00 0.081 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 IL17 and the recovery rates were calculated by comparing the measured value to the expected amount of IL17 in samples.
Matrix Recovery range Average
serum(n=5) 78-91% 84%
EDTA plasma(n=5) 81-95% 88%
Heparin plasma(n=5) 89-105% 97%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of IL17 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) 92-101% 85-105% 87-98% 90-98%
EDTA plasma(n=5) 85-92% 83-96% 79-93% 86-92%
Heparin plasma(n=5) 84-98% 89-102% 90-99% 87-103%
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