Hydrophobic Nucleic Acid Salts As Security Markers
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United States of America Patent
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Apr 20, 2016
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Apr 20, 2015
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The invention provides a method of marking a hydrophobic medium with a nucleic acid marker, the method includes: providing a trialkylammonium salt of the nucleic acid marker, a tetraalkylphosphonium salt of the nucleic acid marker or a tetraarylphosphonium salt of the nucleic acid marker; and incorporating the trialkylammonium salt of the nucleic acid marker, the tetraalkylphosphonium salt of the nucleic acid marker or the tetraarylphosphonium salt of the nucleic acid marker into the hydrophobic medium. The hydrophobic medium can be authenticated after shipping or recovery from the stream of commerce by detecting the nucleic acid marker in a sample of the hydrophobic medium.
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