Apparatus for suspending particles

Details Apparatus for suspending particles Apparatus for suspending particles

1994-09-07

1996-01-09

Housel, James C.

Chemistry: analytical and immunological testing

Automated chemical analysis

With aspirator of claimed structure

436526, 436180, 436806, 422 63, 422 64, 422 65, 422 67, 422100, G01N 3508

Patent

active

054828635

ABSTRACT:
An analytical device incorporating a system for suspending particles includes a conveying device for positioning a pipetting needle at a distance from the central longitudinal axis of the reaction vessel. Particles are suspended by delivering amounts of liquid reagent to two different positions at a predetermined distance from the central longitudinal axis of a reaction vessel, such delivery generates a flow in the reaction vessel which suspends particles exclusively by injection of liquid, thus avoiding the need for subsequent shaking.

REFERENCES:
patent: 3836329 (1974-09-01), Jordan
patent: 4632808 (1986-12-01), Yamamoto et al.
patent: 4757437 (1988-07-01), Nishimura
patent: 4803050 (1989-02-01), Mack
patent: 4830832 (1989-05-01), Arpagaus et al.
patent: 5055263 (1991-10-01), Meltzer
patent: 5130254 (1992-07-01), Collier et al.
patent: 5306510 (1994-04-01), Meltzer
Derwent Abstract No. AN 85-019780/04.
Derwent Abstract No. AN 84-128468/21.

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