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Product Description
Human C4B (Complement C4-B) ELISA Kit | ELK1872 | ELK Biotechnology
Alternative Names: CO4; CPAMD3; Basic complement C4; C3 and PZP-like alpha-2-macroglobulin domain-containing protein 3
Species: Human
Assay Type: Sandwich
Sensitivity: 2.2 ng/mL
Standard: 300 ng/mL
Detection Range: 4.69-300 ng/mL
Sample Type: serum, plasma and other biological fluids
Assay Lenght: 3.5h
Research Area: Metabolic pathway;Infection immunity;Immune molecule
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 Complement C4-B (C4B) . Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Complement C4-B (C4B) . 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 Complement C4-B (C4B), 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 Complement C4-B (C4B) in the samples is then determined by comparing the OD of the samples to the standard curve.
