Human PLGF ELISA Kit (A694)

Human PLGF ELISA Kit

Sandwich (quantitative)

This PLGF enzyme linked immunosorbent assay (ELISA) applies a technique called a quantitative sandwich immunoassay. The microtiter plate has been pre-coated with an Anti-PLGF Antibody. Standards or samples are then added to the microtire plate wells and PLGF, if present, will bind to the antibody pre-coated on the wells. In order to quantify the amount of PLGF present in the sample, Anti-PLGF Antibody (Biotin) is added to each well to "sandwich" the PLGF immobilised on the plate. The microtiter plate then undergoes incubation, followed by thorough washing of the wells to remove all unbound components. Next, Avidin-Biotin-Peroxidase Complex is added to each well for a short incubation period, followed by thorough washing of the wells to remove all unbound conjugates. Next, a TMB (3,3',5,5' tetramethyl-benzidine) substrate solution is added to each well. The enzyme (HRP) and substrate are allowed to react over a short incubation period. Only those wells that contain PLGF will exhibit a change in colour. The enzyme-substrate reaction is terminated by the addition of a stop solution and the colour change is measured spectrophotometrically at a wavelength of 450nm ± 2nm.

Microplate

Serum, plasma, body fluids, tissue lysates, and cell culture supernatants.

< 1 pg/ml

15.6-1000 pg/ml

Human

Store at 2-8°C for 4 months or at -20°C for 8 months.

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