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ELK Biotechnology

ELK8009

Human Anti-MPO(Anti-Myeloperoxidase Antibody) ELISA Kit

Human Anti-MPO(Anti-Myeloperoxidase Antibody) ELISA Kit

$458.00 USD
$458.00 USD
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Size
Sensitivity
Detection range

Human Anti-MPO(Anti-Myeloperoxidase Antibody) ELISA Kit

Overview

Product name: Human Anti-MPO(Anti-Myeloperoxidase Antibody) ELISA Kit
Reactivity: Human
Alternative Names: Mpo Ab
Assay Type: Competitive Inhibition
Sensitivity: 1.12 ng/mL
Standard: 200 ng/mL
Detection Range: 3.13-200 ng/mL
Sample Type: Serum, plasma and other biological fluids.
Assay Length: 2.5h
Research Area: Enzyme & Kinase;Infection immunity;Cardiovascular biology;Hepatology;
Test principle: This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Human Anti-MPO protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Human Anti-MPO. 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 Human Anti-MPO 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
200.00 0.217 —
100.00 0.467 —
50.00 0.722 —
25.00 0.997 —
12.50 1.258 —
6.25 1.557 —
3.13 1.861 —
0.00 2.232 —

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 Anti-MPO and the recovery rates were calculated by comparing the measured value to the expected amount of Anti-MPO in samples.
Matrix Recovery range Average
serum(n=5) 84-95% 88%
EDTA plasma(n=5) 82-97% 92%
Heparin plasma(n=5) 87-99% 94%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Anti-MPO 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) 95-104% 93-105% 82-101% 91-103%
EDTA plasma(n=5) 83-95% 88-102% 85-97% 80-92%
Heparin plasma(n=5) 82-93% 96-105% 87-98% 85-97%
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