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ELK Biotechnology

ELK9420

Mouse STAT6(Signal Transducer And Activator Of Transcription 6) ELISA Kit

Mouse STAT6(Signal Transducer And Activator Of Transcription 6) ELISA Kit

Sensitivity

Mouse STAT6(Signal Transducer And Activator Of Transcription 6) ELISA Kit

Overview

Product name: Mouse STAT6(Signal Transducer And Activator Of Transcription 6) ELISA Kit
Reactivity: Mouse
Alternative Names: IL-4-STAT; STAT6B; STAT6C; Signal Transducer And Activator Of Transcription 6,Interleukin-4 Induced
Assay Type: Sandwich
Sensitivity: 5.8 pg/mL
Standard: 1000 pg/mL
Detection Range: 15.63-1000 pg/mL
Sample Type: Serum, plasma, tissue homogenates and other biological fluids.
Assay Length: 3.5h
Research Area: Signal transduction;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 Mouse STAT6. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Mouse STAT6. 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 STAT6, 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 STAT6 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 2.131 2.034
500.00 1.686 1.589
250.00 1.283 1.186
125.00 0.848 0.751
62.50 0.557 0.460
31.25 0.352 0.255
15.63 0.236 0.139
0.00 0.097 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 STAT6 and the recovery rates were calculated by comparing the measured value to the expected amount of STAT6 in samples.
Matrix Recovery range Average
serum(n=5) 96-107% 102%
EDTA plasma(n=5) 80-92% 86%
Heparin plasma(n=5) 82-98% 87%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of STAT6 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) 87-101% 89-102% 85-98% 98-107%
EDTA plasma(n=5) 93-102% 81-97% 82-96% 79-96%
Heparin plasma(n=5) 85-99% 98-105% 92-101% 85-105%
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