Amine detection using surface enhanced Raman spectroscopy with functionalized nanoparticles
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United States of America Patent
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Mar 30, 2021
Grant Date -
Mar 8, 2018
app pub date -
Sep 7, 2017
filing date -
Sep 8, 2016
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Abstract
A method of analyzing a selected refinery chemical at a low concentration comprises contacting a sample with functionalized metallic nanoparticles that contain metallic nanoparticles functionalized with a functional group comprising a cyano group, a thiol group, a carboxyl group, an amino group, a boronic acid group, an aza group, an ether group, a hydroxyl group, or a combination comprising at least one of the foregoing; radiating the sample contacted with the functionalized metallic nanoparticles with electromagnetic radiation at a selected energy level; measuring a Raman spectrum emitted from the sample; and determining the presence or a concentration of a selected refinery chemical in the sample from the Raman spectrum.
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