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Rabbit SELP(Selectin, Platelet) ELISA Kit
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ELK2410
Size： Price：
48 T $412.00
96 T $588.00
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Overview

Product name: Rabbit SELP(Selectin, Platelet) ELISA Kit
Reactivity: Rabbit
Alternative Names: CD62P; P-Selectin; PSEL; GMP140; LECAM3; GRMP; GMRP; PADGEM; Leukocyte-endothelial cell adhesion molecule 3; Platelet activation dependent granule-external membrane
Assay Type: Sandwich
Sensitivity: 0.6 ng/mL
Standard: 100 ng/mL
Detection Range: 1.57-100 ng/mL
Sample type: serum, plasma, tissue homogenates and other biological fluids
Assay length: 3.5h
Research Area: CD & Adhesion molecule;Tumor immunity;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 SELP. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rabbit SELP. 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 SELP, 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 SELP 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 2.153 2.072
50.00 1.628 1.547
25.00 1.135 1.054
12.50 0.752 0.671
6.25 0.567 0.486
3.13 0.379 0.298
1.57 0.187 0.106
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 SELP and the recovery rates were calculated by comparing the measured value to the expected amount of SELP in samples.
Matrix Recovery range Average
serum(n=5) 83-97% 90%
EDTA plasma(n=5) 86-99% 92%
Heparin plasma(n=5) 80-92% 86%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of SELP 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) 85-103% 83-96% 95-102% 87-98%
EDTA plasma(n=5) 78-92% 96-105% 86-97% 85-101%
Heparin plasma(n=5) 85-94% 90-99% 82-101% 91-102%