Reagent test strip

Details Reagent test strip Reagent test strip

1987-03-11

1991-09-10

Johnston, Jill

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

156 731, 422 57, 422 58, 427 2, 436165, G01N 3122

Patent

active

050472062

ABSTRACT:
A reagent test strip (10,10') includes a support medium (12,12') having a handle portion (14,14') and a reagent support portion (16,16'). A reagent (18,18') is fixedly adhered to the reagent support portion (16,16'). A cover (20,20') is mounted on the support medium (12,12') and over the reagent (18,18'). The cover (20,20') defines a capillary chamber (28,28') having two open ends (30,30') and a predetermined volume only over the reagent surface (19) for drawing a predetermined amount of liquid (32,32') into the capillary chamber (28,28') to quantitatively react all of the liquid with the reagent (18,18'). The cover (20,20') is the only structure over the reagent surface (19,19') and is spaced thereover only sufficiently to establish the predetermined volume for acting as a capillary. Methods of using and manufacturing the reagent test strip (10,10') are also disclosed.

REFERENCES:
patent: 3092464 (1963-06-01), Adams, Jr. et al.
patent: 3690836 (1972-09-01), Buissiere et al.
patent: 3715192 (1973-02-01), Wenz et al.
patent: 4088448 (1978-05-01), Lilja et al.
patent: 4223089 (1980-09-01), Rothe et al.
patent: 4254083 (1981-03-01), Columbus
patent: 4275031 (1981-06-01), Fischer et al.
patent: 4426451 (1984-01-01), Columbus
patent: 4582684 (1986-04-01), Vogel et al.
patent: 4604264 (1986-08-01), Rothe et al.
patent: 4678757 (1987-07-01), Rapkin et al.

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