Test device resistant to cross contamination between reactant ar

Details Test device resistant to cross contamination between reactant ar Test device resistant to cross contamination between reactant ar

1979-06-22

1981-11-17

Turk, Arnold

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 57, 427 2, 435805, G01N 2100, G01N 3122

Patent

active

043011152

ABSTRACT:
A test device for detecting the presence of constituents in a liquid test sample, and method for preparing it are disclosed. The device comprises a base support member coated with a hydrophobic barrier layer onto which is affixed a plurality of spaced apart reagents respectively responsive to different constituents of the test sample. The barrier layer comprises finely divided silica particles, to the surface of which are randomly covalently bound groups having the structure

REFERENCES:
patent: 3127281 (1964-03-01), Meyer
patent: 3359180 (1967-12-01), Evans et al.
patent: 3552929 (1971-01-01), Fields et al.
patent: 3592679 (1971-07-01), Tulley et al.
patent: 3993451 (1976-11-01), Verbeck
patent: 4160008 (1979-07-01), Fenocketti et al.
patent: 4168146 (1979-09-01), Grubb et al.
Boehbringer, Translation of Register Design German 1,852,316, May 24, 1962.

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