G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/48 (2006.01) G01N 1/28 (2006.01) G01N 21/77 (2006.01) G01N 31/22 (2006.01) G01N 33/52 (2006.01)
Patent
CA 2179593
The invention concerns a multilayer analytical element for the determination of an analyte in a liquid containing a sample application zone and a detection zone which are arranged side by side in which the detection zone contains a reagent which forms a detectable signal with the analyte to be determined or with a substance derived therefrom, wherein the sample application zone and detection zone are arranged on a pile-like complex made of a fleece and a porous membrane which are in a direct or indirect contact that enables passage of liquid through the contact area and the membrane is a polyamide, polyvinylidene difluoride, polyether sulfone or polysulfone membrane which transports liquid significantly slower over the area than the fleece as well as a pile-like material complex made of a fleece and a porous membrane, wherein the membrane is a polyamide, polyvinylidene difluoride, polyether sulfone or polysulfone membrane which transports liquid significantly slower over the area than the fleece, the use of such a pile-like material complex for the production of a multilayer analytical element and a method for determining an analyte in a liquid by means of a multilayer analytical element.
Lerch Rolf
Macho Heinz
Zimmer Volker
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Roche Diagnostics Gmbh
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