KOMBINATION AV REAGENSER FOER PAOVISANDE OCH BESTAEMMNADE AV EN AV KOMPONENTERNA I REAKTIONSBLANDNINGEN AV EN LAOGMOLEKYLAER FOERENING OCH ETT PROTEIN VILKET FOERMAOR ATT BINDA DENNA FOERENING SPECIFIKT

The invention relates to a process for the demonstration and determination of a low molecular compound, such as a hapten, or a protein or antibody capable of binding this compound specifically, contacting a fluid containing such a compound or protein to be determined with a given quantity of the coupling product of such a low molecular compound and an enzyme, and with a given quantity of the component to be determined, which component is brought in an insoluble form, and determining the enzyme activity of the liquid or solid phase of the resulting reaction mixture.