Capsule chemistry sample liquid analysis system and method

Details Capsule chemistry sample liquid analysis system and method Capsule chemistry sample liquid analysis system and method

1993-08-13

1995-03-21

Housel, James C.

Chemistry: analytical and immunological testing

Automated chemical analysis

With a continuously flowing sample or carrier stream

436 52, 422 681, 422 81, 422 82, 7386321, 7386371, G01N 3508

Patent

active

053994973

ABSTRACT:
An analysis method and apparatus comprises feeding a stream of fluid capsules in a fluid conduit for flow therethrough by forming a film of isolating liquid on an inner surface of the conduit and randomly accessing each of a plurality of liquids selected from a sample liquid, reagents and a magnetic particle suspension to form a plurality of isolated segments from the plurality of liquids in each capsule in the conduit. The fluid capsules flow in at least one longitudinal direction of the conduit and the suspended magnetic particles are selectively magnetically retained from one segment in one capsule at a given location for placement of the magnetic particles in another segment in the one capsule during the flow of the one capsule through the conduit. The fluid capsules are then measured in the conduit.

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