Particle agglutination immunoassay apparatus

Details Particle agglutination immunoassay apparatus Particle agglutination immunoassay apparatus

1988-07-20

1990-04-03

Nucker, Christine M.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 69, 436526, G01N 3096, G01N 33553

Patent

active

049138839

ABSTRACT:
The degree of agglutination is measured in a magnetic manner instead of optical manner. Microparticles are composed of a magnetic material and the agglutinated condition is measured using a magnetometer. The sizes and distribution of agglutinated materials formed by the antigen-antibody coupling reaction can be correctly measured without affected by light-scattering materials such as proteins or blood cells contained in the specimen, or by absorbant such as pigment, or by fluorescent material. Therefore, the concentration of antigen is measured maintaining high precision.

REFERENCES:
patent: 4661408 (1987-04-01), Peng et al.
patent: 4663277 (1987-05-01), Wang

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