Chemiluminescence Labels
•Definition:
•a compound that when excited by a chemical reaction will emit light 
•Major groups of chemiluminescence labels:
•9acridinium esters
•blue light
•9luminol derivatives
•blue light
•9oxalate derivatives
•9ruthenium complex
•9dioxitane derivatives
•Clinical applications:
•9direct labels
•9indirect labels
•attached to Ag, ab, or DNA probe
•serve as substrates for enzymes