Abstract
An apparatus and method are described for use in enzyme-linked immunofiltration assay (ELIFA). The method of filtering ligands, blockers, wash buffers, and substrates decreases a typical 30 min to 2 hr incubation step with ELISA to 5 minutes. The apparatus differs from a dot-blot apparatus in that soluble coloured product is transferred directly into a receiving 96-well microtiter plate for quantifying with an automatic plate reader. Model systems of streptavidin/biotin and antibody/antigen form detectable complexes in the apparatus.
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