Competitive immunoassay using silver halide fogging agent

Details Competitive immunoassay using silver halide fogging agent Competitive immunoassay using silver halide fogging agent

1980-03-03

1982-05-25

Marantz, Sidney

Chemistry: physical processes

Physical processes

Crystallization

23915, 424 12, G01N 3354, G01N 3358

Patent

active

043314449

ABSTRACT:
In a method for the immunological analysis of trace components by marking or labelling an antigen or antibody with a marker, an immune reaction is caused using an antigen or antibody marked with a fogging agent for silver halide, the labelled antigen or antibody is separated from the labelled antigen-antibody reaction product, the silver halide is developed in the presence of either one of the labelled antigen or antibody and the labelled antigen-antibody reaction product, and the density obtained is measured.
The method is comparable to radioimmunoassay in having high reproductibility and sufficient sensitivity but does not involve any risk due to radiation.

REFERENCES:
patent: 3791932 (1974-02-01), Schuurs
patent: 4205952 (1980-06-01), Cais

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