DETECTION METHOD BY PCR

摘要

The invention concerns a method using PCR, in particular immuno-PCR, for detecting microbiological entities and in particular elements or target molecules. The detection method comprises a step which consists in fixing an entity A, more particularly an antigen, directly or via a capture agent, for example an antibody, to one or several surface(s) inside the receptacle(s) of a real time PCR measuring apparatus and a step which consists in associating with said element A a coupling system with a nucleic acid, for example a DNA marker, a step which consists in amplifying the marker nucleic acid. The successive measurements are carried out during the phase amplifying the marker nucleic acid, in the presence of a capture agent and other optional intermediate fixing agents. The detection method is quantitative and can be used in particular for prion polypeptide assay.