Reagent test device having sealed matrix boundaries

Details Reagent test device having sealed matrix boundaries Reagent test device having sealed matrix boundaries

1984-12-14

1986-11-11

Turk, Arnold

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

427 2, 428 58, 435805, G01N 3352, G01N 2178

Patent

active

046222073

ABSTRACT:
Independent reagent matrix zones are created in hydrophobic open celled natural or synthetic material by heating the open celled material along parallel lines at right angles to the length of a reagent test device so as to seal the material at predetermined intervals and thereby form separate reagent matrix areas on the same reagent test device. This technique results in a reagent test device which eliminates the runover problem which has caused cross contamination between reagent areas and resulted in the failure of reagent test devices to perform properly.

REFERENCES:
patent: 3001915 (1961-09-01), Fonner
patent: 3846247 (1974-11-01), Kronish et al.
patent: 4087332 (1978-05-01), Hansen

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