Use of cyclodextrins as modifiers of fluorescence in the detection of mycotoxins (Articolo in rivista)

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  • Use of cyclodextrins as modifiers of fluorescence in the detection of mycotoxins (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1080/02652030701564555 (literal)
Alternative label
  • Maragos C.M.; Appell M.; Lippolis V.; Visconti A.; Catucci L.; Pascale M. (2008)
    Use of cyclodextrins as modifiers of fluorescence in the detection of mycotoxins
    in Food additives & contaminants. Part A. Chemistry, analysis, control, exposure & risk assessment (Online); Taylor & Francis Group, London (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maragos C.M.; Appell M.; Lippolis V.; Visconti A.; Catucci L.; Pascale M. (literal)
Pagina inizio
  • 164 (literal)
Pagina fine
  • 171 (literal)
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  • 25 (literal)
Rivista
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  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Maragos C.M., Appell M.:Mycotoxin Research Unit, USDA-ARS-NCAUR, Peoria, IL 61604, USA; Lippolis V., Visconti A., Pascale M.: Istituto di Scienze delle Produzioni Alimentari (ISPA), Bari 70126, Italy; Catucci L.: Dipartimento di Chimica, Universit di Bari, Via Orabona 4, Bari 70126, Italy. (literal)
Titolo
  • Use of cyclodextrins as modifiers of fluorescence in the detection of mycotoxins (literal)
Abstract
  • Cyclodextrins, cyclic oligosaccharides composed of amylose subunits, are known to interact with mycotoxins. The interactions may be useful to analytical chemists by altering the properties of the mycotoxin of interest, namely the chromatographic properties, electrophoretic properties, fluorescence, or absorption of these fungal metabolites. Practical applications of these effects have been the incorporation of cyclodextrins into high-performance liquid chromatography and capillary electrophoresis methods for mycotoxin detection. Specific mycotoxins include those with a native fluorescence such as the aflatoxins, ochratoxin A (OTA) and zearalenone (ZEN) as well as those that can be rendered fluorescent through derivatization, such as T-2 toxin. The literature describing the applications of cyclodextrins in mycotoxin analysis is reviewed and an attempt to extend the use of cyclodextrins to the detection of labelled T-2 toxin is presented. Twenty cyclodextrins were evaluated for their ability to enhance the fluorescence emission of T-2 toxin derivatized with pyrene-1-carbonyl cyanide (T2-Pyr). This evaluation revealed that heptakis (2,6-di-O-methyl)-²-cyclodextrin (DIMEB), in particular, enhanced T2-Pyr fluorescence. DIMEB was used as a buffer modifier in a capillary electrophoresis-laser-induced fluorescence (CE-LIF) method for detecting T-2 in maize. Because of the effects that certain cyclodextrins have, especially under aqueous conditions, they may make useful additives for a variety of mycotoxin analytical methods. (literal)
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