what is novel separation?

Answer 1

Abstract: A novel separation technique is described that is particularly useful for effecting separations in enzyme immunoassay procedures. A mixture, in an aqueous liquid vehicle, of (1), ligand-enzyme conjugate, and of (2), the conjugate bound through its ligand moiety to a receptor, is brought into contact with an insoluble, immobilized pseudo-substrate material, to which the enzyme normally binds. Free conjugate binds and becomes insoluble. Bound conjugate remains in the liquid phase. The ligand may be an antigen and the receptor, the antibody to the antigen. This separation technique makes feasible several sensitive immunoassay procedures. The material to be assayed may be, for example, rubella virus; hepatitis B surface antigen; gonorrhea antigen; the antibody to any of the foregoing; a general antibody, i.e., an immunoglobulin; a hormone such as choriomammotropin; a steroid, hapten, or the like.
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