System and method for analysing and measuring ammonia levels in a sample
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United States of America Patent
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Sep 6, 2016
Grant Date -
Sep 17, 2015
app pub date -
Oct 9, 2013
filing date -
Oct 9, 2012
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Abstract
A system for sensing and measuring ammonia in a breath sample is described. The system includes a sampling means for capturing and directing a breath sample from a subject to an ammonia sensor, the ammonia sensor including a conducting polymer polyaniline sensor. The sampling means includes a breath sample capture chamber, the chamber having an inlet and outlet, the inlet having a first valve through which a breath is exhaled into the sample capture chamber, the outlet having a second valve through which breath surplus to the volume of the chamber is expelled, to provide capture of a breath sample of predefined volume.
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