Extremely sensitive and specific analytical technique using antibodies linked to an enzyme system to amplify sensitivity.
A test used to detect antibodies to the acquired immunodeficiency syndrome (AIDS) virus in blood serum.
This is a sensitive method for measuring the quantity of a substance. An antibody to the substance is prepared along with an enzyme which binds to the antibody and which can be accurately measured using colour changes that occur as a result of the chemical reaction.
An immunological examination utilized for the identification of specific substances, encompassing viruses and antibodies.