Integrated Sensing Array for Producing a BioFingerprint of an Analyte
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United States of America Patent
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Issued Date -
Mar 19, 2009
app pub date -
Oct 14, 2005
filing date -
Oct 14, 2004
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Abandoned
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Abstract
An integrated array of electronic sensing elements outputs a bio-fingerprint of an analyte. System is preferably constructed of as a series of three layers but need not be so arranged. An upper layer defines a fluid volume or analyte chamber; a middle layer contains the sensing elements; and a third layer contains electronic readout elements. The analyte chamber contains an electrolyte and the analyte to be detected. The sensing elements are optimized for maximum detection sensitivity in the minimum response time. The response of each sensing element is read out by a dedicated sensing electrode. Around each electrode is a control ring. The potential of the control ring is set to attract analytes of interest to the sensing elements.
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