Method and apparatus for indirect agglutination immunoassay

Details Method and apparatus for indirect agglutination immunoassay Method and apparatus for indirect agglutination immunoassay

1997-09-19

2000-09-26

Chin, Christopher L.

Chemistry: analytical and immunological testing

Involving immune complex formed in liquid phase

Separation of immune complex from unbound antigen or antibody

356 39, 356383, 422 73, 422102, 436518, 436526, 436805, 436806, 436809, G01N 33533

Patent

active

061241393

ABSTRACT:
A method of indirect agglutination immunoassay includes, allowing particles of a reagent for immunoassay to precipitate in bottoms of at least one well, inclining the well at a specified angle to form a precipitation pattern due to a flow of the particles in the bottom of the well due to a flow of the particles, relatively moving the well and a sensor in the direction of substantially vertical to a flow direction of the formed precipitation pattern, measuring the lengths of the formed precipitation pattern at a plurality of sections within the scope of the well, and judging the occurrence of an immunoreaction based on the values of the measured length of the precipitation patterns.

REFERENCES:
patent: 4148607 (1979-04-01), Bernoco et al.
patent: 4373931 (1983-02-01), Takekawa

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