Integral multilayer analysis element

Details Integral multilayer analysis element Integral multilayer analysis element

1988-02-12

1989-04-04

Terapane, John F.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 56, 422 57, 422 58, G01N 3122

Patent

active

H00006238

ABSTRACT:
Disclosed in an integral multilayer analysis element comprising in order, first at least one reagent layer and second a porous spreading layer laminated on a light-transmissive water-impermeable support, wherein a fluorine-containing surfactant is incorporated at least in said spreading layer. The element is especially suitable for clinical examination of an aqueous liquid sample of a human humor such as blood, lymphatic liquid, saliva, urine, etc. By the incorporation of the F-containing surfactant, the spreadable area can be controlled over a broad range of the spotting amount of a sample liquid without interfering with the metering function of the spreading layer.

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