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ELK Biotechnology

ELK9805

Horse HCAM(Homing Associated Cell Adhesion Molecule) ELISA Kit

Horse HCAM(Homing Associated Cell Adhesion Molecule) ELISA Kit

Sensitivity

Horse HCAM(Homing Associated Cell Adhesion Molecule) ELISA Kit

Overview

Product name: Horse HCAM(Homing Associated Cell Adhesion Molecule) ELISA Kit
Reactivity: Horse
Alternative Names: CDW44; CD44; CSPG8; ECMR-III; HCELL; IN; LHR; MC56; MDU2; MDU3; MIC4; MUTCH-I; Pgp1; Hematopoietic Cell E- And L-Selectin Ligand; Chondroitin Sulfate Proteoglycan 8
Assay Type: Sandwich
Sensitivity: 0.56 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: Signal transduction;CD & Adhesion molecule;Tumor immunity;Infection immunity;Immune molecule;Hematology;
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 Horse HCAM. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Horse HCAM. 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 Horse HCAM, 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 Horse HCAM 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 2.172 2.086
50.00 1.612 1.526
25.00 1.283 1.197
12.50 0.892 0.806
6.25 0.453 0.367
3.13 0.336 0.250
1.57 0.226 0.140
0.00 0.086 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 HCAM and the recovery rates were calculated by comparing the measured value to the expected amount of HCAM in samples.
Matrix Recovery range Average
serum(n=5) 80-95% 87%
EDTA plasma(n=5) 95-107% 101%
Heparin plasma(n=5) 96-107% 102%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of HCAM 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) 82-96% 87-103% 91-97% 81-93%
EDTA plasma(n=5) 78-91% 87-98% 92-101% 96-105%
Heparin plasma(n=5) 93-101% 86-97% 90-98% 85-94%
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