Lateral flow test format for enzyme assays
First Claim
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1. Method for determining the presence of an analyte in a sample comprising:
- a) providing a test device incorporating a lateral flow test strip comprising a dry matrix material capable of transporting a liquid therealong by capillarity and having at least a start zone for receiving said sample and a reaction zone having at least one kind of enzyme immobilised therein;
b) contacting the start zone with said sample thereby causing a liquid phase to move through said test strip;
c) determining a detectable signal at the reaction zone directly or indirectly caused by covalent modification of the analyte by the enzymes at the reaction zone
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Abstract
The invention relates to a lateral flow enzyme assay device and test kit for the determination of analyte in a test sample. The invention further relates to lateral flow method for the determination of analytes by directly using the analyte as an enzyme substrate.
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Citations
18 Claims
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1. Method for determining the presence of an analyte in a sample comprising:
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a) providing a test device incorporating a lateral flow test strip comprising a dry matrix material capable of transporting a liquid therealong by capillarity and having at least a start zone for receiving said sample and a reaction zone having at least one kind of enzyme immobilised therein;
b) contacting the start zone with said sample thereby causing a liquid phase to move through said test strip;
c) determining a detectable signal at the reaction zone directly or indirectly caused by covalent modification of the analyte by the enzymes at the reaction zone - View Dependent Claims (2, 3, 4, 5, 6)
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- 7. Lateral flow test device for determining the presence of an analyte in a sample incorporating a test strip comprising a dry matrix material capable of transporting a liquid therealong by capillarity and having at least a start zone for receiving said sample and a reaction zone having at least one kind of enzyme immobilised therein whereby the enzymes and optional additional reagents on the test strip are suitable for covalently modifying the analyte and thus directly or indirectly generating a detectable signal.
Specification