Blister plane apparatus for testing samples of fluid

Details Blister plane apparatus for testing samples of fluid Blister plane apparatus for testing samples of fluid

1976-04-02

1977-02-08

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

23253TP, 23259, G01N 2700, G01N 3100, G01N 3300

Patent

active

040070107

ABSTRACT:
A sample of fluid is processed in a sandwich-like processing card comprising an upper layer and a lower layer, at least one of which layers has pliable characteristics. The space between the two layers is completely filled with a liquid preferably having certain grease-like characteristics so as to exclude all contaminating air. The liquid filled space is referred to as the activity plane. In operation, a sample of the fluid to be tested in the form of a small droplet is injected into the activity plane so as to constitute a blister. The blister may be moved throughout the activity plane by an external pusher of appropriate geometry. The pusher acts upon the blister by pressing on and moving along the pliable layer. Also located in the activity plane are a plurality of chemical, physical or detecting process stations to which the blister may be moved by the pusher as desired. The entire apparatus preferably is rectangular in shape but also may be circular or cylindrical.

REFERENCES:
patent: 3036894 (1962-05-01), Forestiere
patent: 3476515 (1969-11-01), Johnson et al.
patent: 3552928 (1971-01-01), Fetter
patent: 3620678 (1971-11-01), Gurgan et al.
patent: 3689224 (1972-09-01), Agnew et al.
patent: 3697227 (1972-10-01), Goldstein et al.
patent: 3713779 (1973-01-01), Sirago et al.

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