Printed reagent test devices and method of making same

Details Printed reagent test devices and method of making same Printed reagent test devices and method of making same

1976-06-30

1977-09-06

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

1951035R, 427 2, 427288, A61K 970, B05D 500, G01N 3122, G01N 3316

Patent

active

040465136

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: 2249867 (1941-07-01), Snelling
patent: 3127281 (1964-03-01), Meyer
patent: 3507269 (1970-04-01), Berry
patent: 3711252 (1973-01-01), Roy
patent: 3788948 (1974-01-01), Kagedal et al.
patent: 3838012 (1974-09-01), Higgens
patent: 3859169 (1975-01-01), O'Driscoll et al.
patent: 3964871 (1976-06-01), Hochstrasser

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