Methods and compositions for detecting glyphosate and metabolites thereof

The present invention provides various methods and compositions which allow for determining the presence or amount of glyphosate, N-acetylglyphosate, N-acetyl AMPA or aminomethyl phosphoric acid (AMPA) and its various metabolites in a variety of test matrices. In one method, determining the presence...

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Bibliographische Detailangaben
Hauptverfasser: BRAMBLE FREDERICK Q. JR, PENTZ ANNE M
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The present invention provides various methods and compositions which allow for determining the presence or amount of glyphosate, N-acetylglyphosate, N-acetyl AMPA or aminomethyl phosphoric acid (AMPA) and its various metabolites in a variety of test matrices. In one method, determining the presence or amount of N-acetylglyphosate and/or N-acetyl AMPA in a test sample comprises providing the test sample suspected of containing N-acetylglyphosate and/or N-acetyl AMPA; extracting the N-acetylglyphosate and/or N-acetyl AMPA from the test sample; and, detecting the N-acetylglyphosate and/or N-acetyl AMPA in the extract. In other methods, the presence or amount of at least one of glyphosate, N-acetylglyphosate, N-acetyl AMPA or aminomethyl phosphonic acid (AMPA) or a metabolite thereof in a test sample is determined. The method comprises providing the test sample suspected of containing at least one of glyphosate, N-acetylglyphosate, N-acetyl AMPA or AMPA or a metabolite thereof, extracting from the test sample at