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ELK Biotechnology

ELK4904

Rabbit D2D(D-Dimer) ELISA Kit

Rabbit D2D(D-Dimer) ELISA Kit

$588.00 USD
$588.00 USD
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Size
Sensitivity
Detection range

Rabbit D2D(D-Dimer) ELISA Kit

Overview

Product name: Rabbit D2D(D-Dimer) ELISA Kit
Reactivity: Rabbit
Alternative Names: D 2 Dimer
Assay Type: Competitive Inhibition
Sensitivity: 25.8 ng/mL
Standard: 5000 ng/mL
Range: 78.13-5000 ng/mL
Sample Type: Plasma
Assay Length: 2h
Research Area: Hematology;Cardiovascular biology;
Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Rabbit D2D protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Rabbit D2D. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. 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 D2D 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
5000.00 0.197 —
2500.00 0.385 —
1250.00 0.596 —
625.00 0.823 —
312.50 1.112 —
156.25 1.592 —
78.13 1.796 —
0.00 2.256 —

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 D2D and the recovery rates were calculated by comparing the measured value to the expected amount of D2D in samples.
Matrix Recovery range Average
serum(n=5) 97-105% 101%
EDTA plasma(n=5) 95-107% 101%
Heparin plasma(n=5) 90-105% 86%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of D2D 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) 86-97% 93-105% 89-97% 85-94%
EDTA plasma(n=5) 89-102% 92-101% 88-102% 87-102%
Heparin plasma(n=5) 85-103% 78-92% 87-98% 95-102%
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