Title: Importance of clean-up for comparison of TEQ-values obtained by CALUX and chemo-analysis
Authors: Van Wouwe, N ×
Windal, I
Vanderperren, H
Eppe, G
Xhrouet, C
De Pauw, E
Goeyens, Leo
Baeyens, W #
Issue Date: 2004
Publisher: Elsevier science bv
Series Title: Talanta vol:63 issue:5 pages:1269-1272
Abstract: This paper presents Chemically Activated LUciferine gene eXpression (CALUX) TEQ-values obtained for nine plasma samples following two different purification procedures, one of them involving fractionation. CALUX results obtained for the dioxin (DX) and dioxin + PCB (DX + PCB) fractions were then compared to the GC-HRMS TEQ-values calculated for the 17 polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (17 PCDD/F) and 17 PCDD/F + 4 cPCB congeners, respectively. The overestimation of the CALUX (DX fraction) TEQ-values in comparison with the chemo-analyses of the 17 PCDD/F is mainly explained by the presence of other AhR agonists, like brominated compounds. Otherwise, the constancy of the CALUX (DX + PCB fraction) TEQ-value which compares to increasing the GC-HRMS (17 PCDD/F + 4 cPCB) TEQ results raises questions concerning (1) the significance of CALUX results obtained without fractionation as well as (2) the toxicological effect of a cocktail of contaminants on the human health. (C) 2004 Elsevier B.V. All rights reserved.
ISSN: 0039-9140
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Food and Microbial Technology
× corresponding author
# (joint) last author

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