Molecular separators, concentrators, and detectors preparatory to sensor operation, and methods of minimizing false positives in sensor operations
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United States of America Patent
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Jun 5, 2012
Grant Date -
May 6, 2010
app pub date -
Mar 13, 2009
filing date -
Nov 4, 2008
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Abstract
As an elegant solution for minimizing false positives returned by a sensor tuned to an analyte molecule, filters constructed of carbon nanotubes are positioned relative to the sensor to limit the sensor to being exposed to molecules within a defined range of sizes, with too-big molecules being excluded from reaching the sensor by one filter, and too-small molecules being pumped out through another, finer filter before the sensor is operated.
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