Process for carrying out analytical determinations and means for

Details Process for carrying out analytical determinations and means for Process for carrying out analytical determinations and means for

1988-01-25

1990-02-06

Marcus, Michael S.

Chemistry: analytical and immunological testing

Automated chemical analysis

Utilizing a centrifuge or compartmented rotor

422 72, 356427, G01N 2107

Patent

active

048988324

ABSTRACT:
A process for carrying out an analytical determination by mixing and incubating a sample solution with at least one reagent and measuring a parameter in the reaction mixture, the sample solution being transported from an application point to a measurement point, wherein a sample solution is first transported to a soluble dry reagent, with at least partial dissolving of the latter, and then further transported to a measurement point, the transport taking place by two different forces, whereby, at least on a part of the transport path, it is brought about by a surface force acting on the solution as a first force, which, for the regulation of the transport velocity or transport direction, is superimposed by a centrifugal force and/or pressure force as a second force which, depending upon which transport state of the fluid is to be adjusted, is made greater or smaller than the first force.

REFERENCES:
patent: 3532470 (1970-10-01), Rochte
patent: 3795451 (1974-03-01), Mailen
patent: 3972595 (1976-08-01), Romankui et al.
patent: 4042335 (1977-08-01), Clement
patent: 4237234 (1980-12-01), Meunier
patent: 4277561 (1981-07-01), Monget et al.
patent: 4279862 (1981-07-01), Bretaudiere et al.
patent: 4314968 (1982-02-01), Guigan
patent: 4387164 (1983-06-01), Hevey et al.
patent: 4390499 (1983-06-01), Curtis et al.
patent: 4426451 (1984-01-01), Columbus
patent: 4431606 (1984-02-01), Revillet et al.

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