Multilayer chemical analytical element

Details Multilayer chemical analytical element Multilayer chemical analytical element

1987-02-05

1988-11-01

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 57, 422 58, 436 95, 436170, 436175, 435 14, 435 29, 435805, G01N 3122, C12Q 154

Patent

active

047818905

ABSTRACT:
A multilayer chemical analytical element is employable in quantitative analysis of analyte in a biological fluid such as blood. The element consists of a porous spreading layer, a light-blocking layer and a reagent layer on a water-impermeable light-transmissive support in order. The light-blocking layer contains a titanium dioxide fine powder with no provision of aluminum oxide compound or silicon oxide.

REFERENCES:
patent: 3992158 (1976-11-01), Przybylowicz et al.
patent: 4098574 (1978-07-01), Dappen
patent: 4255384 (1981-03-01), Kitajima et al.

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