Agglutination detection apparatus

Details Agglutination detection apparatus Agglutination detection apparatus

1987-12-08

1989-02-21

Willis, Davis L.

Optics: measuring and testing

For size of particles

356442, 422 73, C01N 1502, C01N 2159, C01N 2182

Patent

active

048060151

ABSTRACT:
A detection system for detecting the degree of agglutination of particles in an agglutination reaction occurring in a test slide having a display area of a predetermined length and thickness is provided. A laser directs a diffraction limited spot at the display area of a test slide at intervals along the length of the display area. A photodetector detects the level of light attenuated by the particles and produces a detection signal representative of the size and number of particles scanned along the length of the display area by the laser light.

REFERENCES:
patent: 3503684 (1970-03-01), Preston, Jr. et al.
patent: 3676647 (1972-07-01), Staffin et al.
patent: 4547075 (1985-10-01), Fei

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