System and method for detection of analytes in exhaled breath
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United States of America Patent
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Feb 5, 2013
Grant Date -
Aug 23, 2012
app pub date -
Sep 9, 2010
filing date -
Sep 9, 2009
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Abstract
A sensor for detecting a drug substance (15) from exhaled breath of a subject in-situ. Its collecting surface has a Surface Enhanced Raman Spectroscopy (SERS)-active layer (14) of a SERS-active material. The collecting surface is arranged as an outer surface of a waveguide (12) for contact with exhaled breath, such that at least traces of said drug substance (15) in said exhaled breath can contact said SERS-active layer for read-out of a Raman shift spectrum.
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