DNA tags.
Amplification methods could be used to develop tests so that very small protein amounts could be detected. A piece of DNA--a DNA tag--could be coupled to an antibody, and this could then be used to detect a protein antigen by amplification of the DNA tag.
Clewley
J P
JP
Virus Reference Division, PHLS Central Public Health Laboratory, 61 Colindale Avenue, London NW9 5HT. jclewley@phls.org.uk
D003141:Communicable Diseases / Q000175:diagnosis*; D006801:Humans; D021141:Nucleic Acid Amplification Techniques / Q000379:methods; D016133:Polymerase Chain Reaction / Q000379:methods*