Method for detecting the presence of antibodies using gold-labeled antibodies and test kit

摘要

A method and test kit for detecting a first antibody using a gold particle labeled secondary antibody is described. Microspheres coated with an antigen reactive with the first antibody is reacted with the first antibody from serum or other sources. The gold-labeled antibody is reacted with the first antibody antigen complex on the microsphere and detected. Preferably the gold particles are detected using an electron microscope.