A dry reagent delivery system with membrane having porosity grad

Details A dry reagent delivery system with membrane having porosity grad A dry reagent delivery system with membrane having porosity grad

1987-01-28

1988-09-27

Marantz, Sidney

Chemistry: analytical and immunological testing

Involving an insoluble carrier for immobilizing immunochemicals

Carrier is organic

422 56, 435 11, 435 12, 435 14, 435 22, 435 25, 435805, 435810, 436518, 436531, 436808, 436810, 436817, 436901, G01N 3352, G01N 3353, G01N 3362, G01N 3366

Patent

active

047741929

ABSTRACT:
Dry chemistry reagent system, kit and method for detection of an analyte such as glucose, cholesterol, urea, antigen or antibody. The reagent system is a porous membrane or bibulous film having a porosity gradient from one planar surface to the other. In the membrane are uniformly distributed an indicator, a flow control agent and a reagent cocktail. The membrane is also modified by a conditioning agent.

REFERENCES:
patent: 3630957 (1971-12-01), Rey
patent: 3975162 (1976-08-01), Renn
patent: 4176008 (1979-11-01), Figueras
patent: 4219334 (1980-08-01), Schluter
patent: 4543338 (1985-09-01), Chen
patent: 4594224 (1986-06-01), Okaniwa
patent: 4594327 (1986-06-01), Zuk
patent: 4621049 (1986-11-01), Wang
patent: 4632901 (1986-12-01), Valkirs
patent: 4637978 (1987-01-01), Dappen

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