Method of extracting domoic acid by selective adsorption using a halogenated carboxylic acid derivative

Method of extracting domoic acid by selective adsorption using a halogenated carboxylic acid derivative

Domoic acid is selectively bound by an adsorbent which comprises units derived from one or more halogenated carboxylic acids (preferably having an alpha-trihalomethyl group) or derivatives thereof. The adsorbent may be a polymer, or a solid support onto which the carboxylic acid, derivative or polym...

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Bibliographische Detailangaben
Hauptverfasser: OLENA VOLODIMIRIVNA PILETSKA, SERGEY ANATOLIYOVICH PILETSKY, FERNANDO NAVARRO VILLOSLADA
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:Domoic acid is selectively bound by an adsorbent which comprises units derived from one or more halogenated carboxylic acids (preferably having an alpha-trihalomethyl group) or derivatives thereof. The adsorbent may be a polymer, or a solid support onto which the carboxylic acid, derivative or polymer has been grafted. The preferenced acid is 2-trifluoromethyl acrylic acid. Domoic acid can be selectively bound from a mixture (e.g. seafood extract, seawater or urine) in the presence of potential interferents such as aminoacids, and recovered using an eluant comprising an organic acid.