2009
DOI: 10.1016/j.chroma.2008.11.012
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Analysis of hydroxylated polycyclic aromatic hydrocarbons in urine using comprehensive two-dimensional gas chromatography with a flame ionization detector

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Cited by 34 publications
(14 citation statements)
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“…For example, PAHs can be incorporated into the human body via absorption in the gastrointestinal tract after ingestion of contaminated food or water and via skin contact. 35 Despite recent efforts to improve the sensitivity and analytical specificity of PAHs quantification (e.g., SPE 6 , SPME 7 , LLE coupled to HPLC and GC-MS 8 , and GCxGC-FID 9 ), the development of more accurate analytical separations (e.g., post-ionization, gas-phase separation) for molecular structure assignment with minimal to no sample preparation remains necessary. Previous work has shown the advantage of ion mobility spectrometry coupled to mass spectrometry for the separation and identification of PAHs from crude oils with varying complexity.…”
Section: Introductionmentioning
confidence: 99%
“…For example, PAHs can be incorporated into the human body via absorption in the gastrointestinal tract after ingestion of contaminated food or water and via skin contact. 35 Despite recent efforts to improve the sensitivity and analytical specificity of PAHs quantification (e.g., SPE 6 , SPME 7 , LLE coupled to HPLC and GC-MS 8 , and GCxGC-FID 9 ), the development of more accurate analytical separations (e.g., post-ionization, gas-phase separation) for molecular structure assignment with minimal to no sample preparation remains necessary. Previous work has shown the advantage of ion mobility spectrometry coupled to mass spectrometry for the separation and identification of PAHs from crude oils with varying complexity.…”
Section: Introductionmentioning
confidence: 99%
“…U fazi II OH-PAH-metaboliti konjugiraju s glukuronskom kiselinom ili sulfatom kako bi se olakšala detoksikacija i izlučivanje preko urina ili stolice. Općenito, metaboliti manjih PAH-ova sa dva do tri prstena pretežno se izlučuju urinom, uglavnom kao konjugati glukuronske kiseline, dok se PAH-ovi veće molekulske mase uglavnom izlučuju fecesom (11). PAH-metaboliti ne samo što su transformacijski produkti, nego neki od njih posjeduju estrogena svojstva, a neki se povezuju s mutagenim i kancerogenim efektima (12 Važno je razumjeti i kinetiku izlučivanja metabolita PAH-ova, a ona se bolje može pratiti kontroliranim prehrambenim studijama nego određivanjem profesionalne izloženosti kod koje se ne može potpuno znati stvarna izloženost i primljena doza.…”
Section: Svojstva I Toksičnost Pah-ova I Pcb-aunclassified
“…Ekstrakcija se najčešće ponavlja 2 do 3 puta, a dobiveni ekstrakti spajaju i zatim dalje analiziraju (11,13).…”
Section: Ekstrakcijaunclassified
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“…Sample preparation techniques used for water analysis are based on liquid-liquid extraction (LLE) [6,7], solid-phase extraction (SPE) [8][9], solid-phase microextraction (SPME) [10][11][12][13] or, more recently, stir bar sorbent extraction (SBSE) [14][15][16] and other techniques involving a derivatization reaction [17][18][19]. After the sample preparation, the analytes of interest are usually determined by gas chromatography coupled to different detectors [20][21][22][23][24][25][26][27][28][29].…”
Section: Introductionmentioning
confidence: 99%