Method for coating membranes

Details Method for coating membranes Method for coating membranes

B - Operations, Transporting

01

D

B01D 67/00 (2006.01) B01D 69/00 (2006.01) G01N 33/52 (2006.01)

Patent

CA 2590545

The invention concerns a method for applying reactive films containing solids to microporous membranes wherein the membrane is firstly moistened and the reactive film containing solids is applied to the membrane while it is still moist. Membranes produced in this manner can contain reactive films having a high proportion of film openers and can be used advantageously in diagnostic elements for detecting constituents and in particular large, hydrophobic analytes in body fluids.

L'invention concerne un procédé pour appliquer des couches réactives contenant des substances solides sur une membrane microporeuse, selon lequel la membrane est d'abord humidifiée, puis la couche réactive contenant des substances solides est appliquée sur la membrane encore humide. Les membranes ainsi réalisées ont des couches réactives à teneur élevée en contacts pelliculaires et sont donc particulièrement adaptées à une utilisation dans des agents diagnostiques pour déceler la présence de substances, notamment de grands analytes hydrophobes, dans des liquides corporels.

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