Sintered polymer membrane for analyte detection device
First Claim
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1. An analyte detection device for detecting an analyte in a liquid sample, which comprises a sintered, hydrophilic, porous, polymeric membrane.
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Abstract
The present invention relates to a sintered porous polymeric material useful as membrane in an analyte detection device, such as a lateral flow device, flow through device, or a dipstick device. The invention encompasses an analyte detection device that comprises such a sintered porous polymeric material and method of analyte detection using such a device. Specific sintered porous polymeric materials encompassed by the invention are surface activated and further coated with one or more layers of a variety of materials.
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Citations
28 Claims
- 1. An analyte detection device for detecting an analyte in a liquid sample, which comprises a sintered, hydrophilic, porous, polymeric membrane.
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27. A method of detecting an analyte in a liquid sample, comprising contacting the liquid sample with a porous membrane of an analyte detection device, wherein the membrane is a sintered hydrophilic polymeric material.
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28. An analyte detection device comprising a sintered, hydrophilic, porous, polymeric membrane, wherein the membrane comprises a substrate of ultra-high molecular weight polyethlyene, said substrate having been surface activated and coated with a first layer of polyethlyeneimine and a second layer of poly(acrylic acid) or a fluorine containing surfactant.
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