A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/00 (2006.01) B01J 3/00 (2006.01) G01N 21/86 (2006.01) G01N 33/487 (2006.01)
Patent
CA 2721508
The invention relates to a diagnostic tape unit with a test tape (12), which can be wound on a coil and consists of a transporting tape (18) and a plura-lity of test elements (20), which are mounted thereon. The test elements (20) have a layer of analytical re-agents (34), a backing layer (36) carrying the layer of reagents (34) and a piece of adhesive tape (28), connec-ting the backing film (36) with the transporting tape (18). At its front side (24) facing away from the backing film (36), the layer of reagents (34) is formed so that sample substance may be applied. According to the in-vention, it is proposed that, in conjunction with the light-transmitting transporting tape (18), the test ele-ments (20) in each case form an optical multilayer sys-tem for a rear, reflection photometric measurement of the reagent layer (34).
L'invention se rapporte à un ensemble bande diagnostique avec une bande de test (12) qui peut s'enrouler sur une bobine et qui se compose d'une bande transporteuse (18) et d'une pluralité d'éléments de test disposés sur ladite bande transporteuse, lesdits éléments de test (20) présentant une couche réactive analytique (34), un film support (36) sur lequel est déposée la couche réactive (34), et une pièce adhésive (28) raccordant le film support (36) et la bande transporteuse (18), et la couche réactive (34) étant conçue pour déposer un échantillon de substance sur sa face avant (24) opposé au film support (36). Selon l'invention, on propose que les éléments de test (20) forment, en association avec la bande transporteuse (18) translucide, respectivement un système optique multicouche pour effectuer une mesure arrière par photométrie de réflexion de la couche réactive (34).
Leininger Helmut
Seelig Peter
F. Hoffmann-La Roche Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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