An enzyme detection device

C - Chemistry – Metallurgy – 12 – Q

Patent

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C12Q 1/37 (2006.01) G01N 33/543 (2006.01) G01N 33/558 (2006.01)

Patent

CA 2696083

An enzyme detection device (1) for detecting the presence, in a sample, of an enzyme capable of modifying a provided substrate (10). The device (1) comprises a substrate which has a modification region (14) that is sensitive to modification by the enzyme from an unmodified state to a modified state. The device (1) further comprises a substrate recognition molecule (16) which binds the modification region (14) in either the modified or the unmodified state. The modification region 14 of the substrate is preferentially bound by the substrate recognition molecule (16) as compared with the enzyme when mixed. The device further comprises a detectable label (18) coupled to the substrate recognition molecule (17).

L'invention porte sur un dispositif (1) de détection d'enzyme pour détecter la présence, dans un échantillon, d'une enzyme capable de modifier un substrat fourni (10). Le dispositif (1) comprend un substrat qui a une région de modification (14) qui est sensible à une modification par l'enzyme d'un état non modifié à un état modifié. Le dispositif (1) comprend en outre une molécule de reconnaissance de substrat (16) qui se lie à la région de modification (14) soit dans l'état modifié soit dans l'état non modifié. La région de modification (14) du substrat est, de préférence, liée par la molécule de reconnaissance de substrat (16) par comparaison avec l'enzyme lorsqu'elle est mélangée. Le dispositif comprend en outre un marqueur détectable (18) couplé à la molécule de reconnaissance de substrat (16).

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