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Rat Bax(Bcl2 Associated X Protein) ELISA Kit
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ELK5698
Size： Price：
48 T $320.00
96 T $458.00
96 T*5 $1947.00
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Overview

Product name: Rat Bax(Bcl2 Associated X Protein) ELISA Kit
Reactivity: Rat
Alternative Names: BCL2L4; Bax Zeta; Apoptosis regulator BAX; Bcl-2-like protein 4
Assay Type: Sandwich
Sensitivity: 4.7 pg/mL
Standard: 800 pg/mL
Detection Range: 12.5-800 pg/mL
Sample Type: Serum, plasma, tissue homogenates and other biological fluids
Assay Length: 3.5h
Research Area: Signal transduction;Apoptosis;
Uniprot ID: Q63690
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 Rat Bax. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat Bax. 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 Rat Bax, 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 Rat Bax 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
800.00 2.054 1.967
400.00 1.519 1.432
200.00 1.175 1.088
100.00 0.896 0.809
50.00 0.508 0.421
25.00 0.388 0.301
12.50 0.189 0.102
0.00 0.087 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 Bax and the recovery rates were calculated by comparing the measured value to the expected amount of Bax in samples.
Matrix Recovery range Average
serum(n=5) 87-97% 90%
EDTA plasma(n=5) 81-95% 88%
Heparin plasma(n=5) 83-95% 89%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Bax 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) 81-94% 96-105% 92-103% 82-96%
EDTA plasma(n=5) 86-97% 93-105% 82-93% 95-104%
Heparin plasma(n=5) 82-96% 85-98% 95-104% 82-96%