Sensitive trace enrichment of environmental andiandrogen vinclozolin from natural waters and sediment samples using hollow-fiber liquid-phase microextraction

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dc.contributor.authorLambropoulou, D. A.en
dc.contributor.authorAlbanis, T. A.en
dc.date.accessioned2015-11-24T16:46:57Z
dc.date.available2015-11-24T16:46:57Z
dc.identifier.issn0021-9673-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/9124
dc.rightsDefault Licence-
dc.subjectwater analysisen
dc.subjectsediment analysisen
dc.subjectliquid phase microextractionen
dc.subjectandiandrogenen
dc.subjectendrocrine disruptor compoundsen
dc.subjectvinclozolinen
dc.subjectchromatography-mass spectrometryen
dc.subjectsingle-drop microextractionen
dc.subjectorganochlorine pesticidesen
dc.subjectmembrane microextractionen
dc.subjectsolvent microextractionen
dc.subjectfungicide vinclozolinen
dc.subjectmarine-sedimentsen
dc.subjectmale-raten
dc.subjectin-vivoen
dc.subjectgasen
dc.titleSensitive trace enrichment of environmental andiandrogen vinclozolin from natural waters and sediment samples using hollow-fiber liquid-phase microextractionen
heal.abstractThe presence of vinclozolin in the environment as far as the endocrine disruption effects in biota are concerned has raised interest in the environmental fate of this compound. In this respect, the present study attempts to investigate the feasibility of applying a novel quantitative method, liquid-phase microextraction (LPME), so as to determine this environmental andiandrogen in environmental samples such as water and sediment samples. The technique involved the use of a small amount (3 muL) of organic solvent impregnated in a hollow fiber membrane, which was attached to the needle of a conventional GC syringe. The extracted samples were analyzed by gas chromatography coupled with electron-capture detection. Experimental LPME conditions such as extraction solvent, stirring rate, content of NaCl and pH were tested. Once LPME was optimized, the performance of the proposed technique was evaluated for the determination of vinclozolin in different types of natural water samples. The recovery of spiked water samples was from 80 to 99%. The procedure was adequate for quantification of vinclozolin in waters at levels of 0.010 to 50 mug/L (r > 0.994) with a detection limit of 0.001 mug/L (S/N = 3). Natural sediment samples from the Aliakmonas River area (Macedonia, Greece) spiked with the target andiandrogen compound were liquid-liquid extracted and analyzed by the methodology developed in this work. No significant interferences from the samples matrix were noticed, indicating that the reported methodology is an innovative tactic for sample preparation in sediment analysis, with a considerable improvement in the achieved detection limits. The results demonstrated that apart from analyte enrichment, the proposed LPME procedure also serves as clean-up method and could be successfully performed to determine trace amounts of vinclozolin in water and sediment samples. (C) 2004 Elsevier B.V. All rights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1016/j.chroma.2004.10.064-
heal.identifier.secondary<Go to ISI>://000225746500002-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0021967304019260/1-s2.0-S0021967304019260-main.pdf?_tid=6e3be3079f6aecb368085ca29a8093c2&acdnat=1333023088_bb996fa6872e963677a35b8c86325ccb-
heal.journalNameJournal of Chromatography Aen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2004-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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