Diagnostic detection device and method
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United States of America Patent
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Nov 20, 2001
Grant Date -
Dec 13, 2001
app pub date -
May 2, 1995
filing date -
May 2, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides an improved test cell for detecting the presence of an analyte in a liquid sample. The device has an elongate casing defining a liquid sample inlet, a reservoir volume, a test volume, and a window through the casing at the test volume. Disposed within the cell is a sample absorbent, a novel biphasic substrate and a reservoir, together capable of transporting an aqueous solution within the casing along a flow path extending from the sample inlet through the test volume and into the reservoir volume. The invention further comprises a method for detecting the presence of an analyte in a liquid sample using the device and a biphasic chromatographic material for carrying out the method.
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