Automated clinical analyzer reagent formulation

Details Automated clinical analyzer reagent formulation Automated clinical analyzer reagent formulation

2004-11-24

2008-03-04

Warden, Jill (Department: 1797)

Chemistry: analytical and immunological testing

Automated chemical analysis

With a continuously flowing sample or carrier stream

C422S082000

Reexamination Certificate

active

07338804

ABSTRACT:
This invention significantly reduces the frequency of hydraulic failure in the analytical line of a capsule chemistry sample liquid analysis system which can occur when the reagents required for the specific analytical test have an imperfect merger with the sample aliquot reagent in the vanish zone of the analytical line. It has been found that the dynamic surface tension of the sample aliquot reagent and the analytical reagent influence the merging process. It has also been found that optimum merging of these reagent capsules in the vanish zone can be obtained when the dynamic surface tension of the sample aliquot reagent and analytical reagent is different.

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patent: 6485980 (2002-11-01), Adolfsen et al.
patent: 6734436 (2004-05-01), Faris et al.
Lyklema. Fundamentals of Interface and Colloid Science, vol. 3, pp. 1.45-1.48. Academic Press 2000.

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