Test device and a method for the detection of a component of a l

Details Test device and a method for the detection of a component of a l Test device and a method for the detection of a component of a l

1988-02-03

1989-04-25

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 57, 422 58, 436169, 435805, G01N 3122, G01N 33483

Patent

active

048246395

ABSTRACT:
In a test strip for the detection of a component in a liquid sample, the strip comprising a support layer, a microporous polymer layer and a reagent for the detection of the component to be determined, the improvement wherein the microporous polymer layer is a membrane which has an asymmetric pore structure with the narrower pores being on the side to which the sample is applied, and the support layer is macroscopically smooth. The porous membrane is produced by coagulation from solution.

REFERENCES:
patent: 3607093 (1971-09-01), Stone
patent: 3847822 (1974-11-01), Shuey
patent: 3852388 (1974-12-01), Kimura
patent: 3992158 (1976-11-01), Przybylowicz
FDA Medical Device Standards Publication Technical Report "Proposed Performance Standard for in vitro Diagnostic Devices Used in Quantitative Measurement of Glucose in Serum or Plasma".
Amicon Ultrafiltration Membranes Brochure, Aug. 1980.
Ullmanns Encyklopadie der Technischen Chemie, p. 518.

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