Lateral flow medical diagnostic assay device with sample extraction means
First Claim
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1. A device for detecting the presence of an analyte in a sample contained on a swab, said device comprising:
- an extraction chamber for extracting the analyte from the sample wherein the extraction chamber is disposed over a sample receiving zone on a matrix, and wherein the extraction chamber includes a bowl portion for receiving a liquid extraction solution and a cylindrical portion for receiving the swab; and
a matrix having a sample receiving zone for receiving the extraction liquid containing the analyte, a labelling zone having means for specifically labelling the analyte as it passes therethrough and a capture zone having means for specifically binding the labelled analyte thereon, wherein the sample receiving zone, the labelling zone and the capture zone are arranged on the matrix in a liquid flow path.
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Abstract
The present invention provides devices, methods, and kits for treatment and detection of analytes requiring pretreatment in samples. One-step treatment and detection is possible utilizing the devices and methods of the present invention.
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Citations
21 Claims
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1. A device for detecting the presence of an analyte in a sample contained on a swab, said device comprising:
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an extraction chamber for extracting the analyte from the sample wherein the extraction chamber is disposed over a sample receiving zone on a matrix, and wherein the extraction chamber includes a bowl portion for receiving a liquid extraction solution and a cylindrical portion for receiving the swab; and a matrix having a sample receiving zone for receiving the extraction liquid containing the analyte, a labelling zone having means for specifically labelling the analyte as it passes therethrough and a capture zone having means for specifically binding the labelled analyte thereon, wherein the sample receiving zone, the labelling zone and the capture zone are arranged on the matrix in a liquid flow path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 16, 17, 18, 19, 20, 21)
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10. A device for simultaneously detecting the presence of a plurality of analytes in a sample contained on a swab, said device comprising:
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an extraction chamber for extracting the analyte from the sample wherein the extraction chamber is disposed over a sample receiving zone on a matrix, and wherein the extraction chamber includes a bowl portion for receiving a liquid extraction solution and a cylindrical portion for receiving the swab; and a matrix having a sample receiving zone for receiving the extraction liquid containing the analyte, a labelling zone having means for specifically labelling each of the analytes as they pass therethrough and at least one capture zone having means for specifically binding a first labelled analyte thereon and at least one capture zone for specifically binding a second labelled analyte, wherein the sample receiving zone, the labelling zone and the capture zones are arranged on the matrix in a liquid flow path. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification