In one aspect of this invention, various protein/nucleic acid hybrid probes are described which can be used to amplify the detectable signal in immunoassays. The protein moiety is capable of functioning either as an antibody or an antigen. The nucleic acid moiety serves as a signal amplifier. In another...http://www.google.fr/patents/US5656731?utm_source=gb-gplus-shareBrevet US5656731 - Nucleic acid-amplified immunoassay probes