Insert for sample cup

Details Insert for sample cup Insert for sample cup

1998-01-16

1999-11-09

Le, Long V.

Chemistry: analytical and immunological testing

Including sample preparation

Digestion or removing interfering materials

220501, 220555, 220654, 141331, 141340, 422102, 422 99, 422100, 436180, G01N 100, B01L 300

Patent

active

059812923

ABSTRACT:
A sample cup insert has a tubular wall and a flange extending inwardly at an acute angle from the tubular wall. When the sample cup, into which the sample cup insert is inserted, is filled with sample and sealed by a film that forms a window through which the sample is analyzed, air bubbles collect under the film. The air bubbles are transferred under the flange of the sample cup insert, and out of the portion of the sample to be analyzed, by rotating the sample cup, and allowing the air bubbles to flow up the side of the sample cup insert over the flange, and then returning the sample cup to its original position, thereby trapping the air bubbles under the flange. The flange of the sample cup insert retains these air bubbles outside of the portion of the sample to be analyzed.

REFERENCES:
patent: 2767744 (1956-10-01), Beerman
patent: 4698210 (1987-10-01), Solazzi
patent: 5019243 (1991-05-01), McEwen et al.
patent: 5096062 (1992-03-01), Burkardt et al.
patent: 5707589 (1998-01-01), Fullermann
patent: 5871700 (1999-02-01), Konrad

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