GB Diagnostics is proud to be involved in the research and development of monoclonal antibodies specific to protein epitopes the parts of an antigen that an antibody attaches to.
To this end, GB Diagnostics is completing validation of a new, ultra-high sensitivity fluorescence Enzyme Immunoassay (FEIA). The EIA process uses enzyme labelled antibodies and antigens to detect the small biological samples and makes use of the basic immunology principle that an antigen binds a specific antibody.
Such antigen molecules, which can be identified in fluid samples, include peptides, hormones and other proteins. The antigen in the fluid is allowed to bind to a particular antibody, which is then detected with another enzyme-coupled antibody.
A particular colour change occurs, or fluorescence, which indicates the presence of the antigen. The amount of the particular biological molecule is based on the colour or fluorescence observed.