Application of multiwalled carbon nanotubes as sorbents for the extraction of mycotoxins in water samples and infant milk formula prior to high performance liquid chromatography mass spectrometry analysis

Electrophoresis
Bárbara Socas-RodríguezMiguel Ángel Rodríguez Delgado

Abstract

In this work, a simple and environmental friendly methodology has been developed for the analysis of a group of six mycotoxins with estrogenic activity produced by Fusarium species (i.e. zearalanone, zearalenone, α-zearalanol, β-zearalanol, α-zearalenol, and β-zearalenol), using microdispersive SPE the symbol micro should de before dSPE with multiwalled carbon nanotubes as sorbent. Separation, determination, and quantification were achieved by HPLC coupled to ion trap MS with an ESI interface. Parameters affecting the extraction efficiency of µ-dSPE such as pH of the sample, amount of multiwalled carbon nanotubes, and type and volume of elution solvent, were studied and optimized. The methodology was validated for mineral, pond, and wastewater as well as for powdered infant milk using 17β-estradiol-2,4,16,16,17-d5 (17β-E2 -D5 ) as internal standard, obtaining recoveries ranging from 85 to 120% for the three types of water samples and from 77 to 115% for powdered infant milk. RSD values were lower than 10%. The LOQs achieved were in the range 0.05-2.90 μg/L for water samples and 2.02-31.9 μg/L for powdered infant milk samples.

References

Jul 1, 2009·Environmental Toxicology and Chemistry·Mark S Lundgren, Paige J Novak
Nov 17, 2009·Journal of Chromatography. a·Lidia M Ravelo-PérezMiguel Angel Rodríguez-Delgado
Mar 12, 2011·The Journal of Pediatrics·Valentina MeucciFrancesco Massart
Jun 19, 2012·Analytica Chimica Acta·Antonio V Herrera-HerreraMiguel Ángel Rodríguez-Delgado
Jun 12, 2013·Journal of Chromatography. a·Bárbara Socas-RodríguezMiguel Ángel Rodríguez-Delgado
Nov 5, 2013·The Science of the Total Environment·Dana W KolpinThomas D Bucheli
Jun 11, 2014·Journal of Chromatography. a·Bárbara Socas-RodríguezJavier Hernández-Borges

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Citations

Jan 1, 2019·Critical Reviews in Analytical Chemistry·Ingars ReinholdsVadims Bartkevics
Feb 12, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Natalia CasadoIsabel Sierra
Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Bianca Figueiredo de Mendonça PereiraBernardete Ferraz Spisso

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