Hydrophobic Nucleic Acid Salts As Security Markers
First Claim
1. A method of marking a hydrophobic medium with a nucleic acid marker, the method comprising:
- 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.
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Abstract
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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Citations
21 Claims
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1. A method of marking a hydrophobic medium with a nucleic acid marker, the method comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of authenticating a hydrophobic medium with a nucleic acid marker, the method comprising:
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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; and detecting the nucleic acid marker and thereby authenticating the hydrophobic medium. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of authenticating and tracking a hydrophobic medium with a nucleic acid marker, the method comprising:
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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; 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; introducing 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 stream of commerce; providing a sample of the hydrophobic medium from the stream of commerce; and detecting the nucleic acid marker in the sample of the hydrophobic medium and thereby authenticating the hydrophobic medium.
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Specification