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Rat SLC7A11(Solute Carrier Family 7, Member 11) ELISA Kit
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ELK7274
Size： Price：
48 T $320.00
96 T $458.00
96 T*5 $1947.00
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OverviewPublications(2)

Product name: Rat SLC7A11(Solute Carrier Family 7, Member 11) ELISA Kit
Reactivity: Rat
Alternative Names: CCBR1; xCT; Cystine/Glutamate Transporter,Cationic Amino Acid Transporter,y+ System; Amino acid transport system xc-; Calcium channel blocker resistance protein CCBR1
Assay Type: Sandwich
Sensitivity: 0.54 ng/mL
Standard: 100 ng/mL
Detection Range: 1.57-100 ng/mL
Sample Type: Tissue homogenates, cell lysates and other biological fluids.
Assay Length: 3.5h
Research Area: Signal transduction;
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 SLC7A11. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rat SLC7A11. 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 SLC7A11, 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 SLC7A11 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
100.00 1.941 1.874
50.00 1.500 1.433
25.00 1.176 1.109
12.50 0.728 0.661
6.25 0.457 0.390
3.13 0.336 0.269
1.57 0.226 0.159
0.00 0.067 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 SLC7A11 and the recovery rates were calculated by comparing the measured value to the expected amount of SLC7A11 in samples.
Matrix Recovery range Average
serum(n=5) 88-102% 95%
EDTA plasma(n=5) 90-105% 97%
Heparin plasma(n=5) 80-92% 86%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of SLC7A11 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% 83-96% 87-98% 85-97%
EDTA plasma(n=5) 83-103% 82-93% 86-95% 81-96%
Heparin plasma(n=5) 86-93% 93-101% 86-97% 90-101%