Method of making printed reagent test devices

Details Method of making printed reagent test devices Method of making printed reagent test devices

1978-07-25

1980-08-05

Silverberg, Sam

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

422 56, 422 57, G01N 3122

Patent

active

042162459

ABSTRACT:
A test device for determining the presence of a constituent in a sample, and a method for making it are disclosed. The test device comprises reactants (e.g. reagents, enzymes, etc.) incorporated with a carrier matrix such that when the device is wetted with a test sample, the reactants and the constituent react to produce a detectable response. The reactants are positioned separately from each other on the matrix in substantially, discrete, non-contacting areas. Hence, reactants are maintained substantially separate from each other until the test device is wetted with the sample.

REFERENCES:
patent: 3127281 (1964-03-01), Meyer
patent: 3549328 (1967-11-01), Kilburn
patent: 3666421 (1972-05-01), Price
patent: 3975162 (1976-08-01), Renn
patent: 3996006 (1976-12-01), Pagano
patent: 4087332 (1978-05-01), Hansen

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