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Reference type: Journal
Authors: Roszko M, Szymczyk K, Jedrzejczak R
Article Title: Simultaneous separation of chlorinated/brominated dioxins, polychlorinated biphenyls, polybrominated diphenyl ethers and their methoxylated derivatives from hydroxylated analogues on molecularly imprinted polymers prior to gas/liquid chromatography and mass spectrometry.
Publication date: 2015
Journal: Talanta
Volume: 144
Page numbers: 171-183.
DOI: 10.1016/j.talanta.2015.04.070
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0039914015003197

Abstract: Polychlorinated dibenzo-p-dioxins/furans (PCDD/Fs), polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) are important contaminants in the environment. In recent years also polybrominated dibenzo-p-dioxins/dibenzofurans (PBDD/Fs) have been reported as emerging environmental stressors. It has been suggested that hydroxylated polybrominated biphenyl ethers (OH-BDEs) are important G㢠may be even the most important - precursors of brominated dioxins/furans. The aim of this study was to develop a robust, time-saving analytical procedure to collectively separate in animal tissues such compounds prior to determination of individual substances with a gas/liquid chromatograph coupled to an ion trap/time-of-flight mass spectrometer (GC/IT-MS or UPLC/TOF-MS). Two OH-CB/BDE separation methods including alkaline extraction and molecularly imprinted polymers (MIP) were compared. Performance of both methods was validated: absolute recovery values were in the 47 - 90% range depending on the compound, while recovery relative standard deviation was below 20% in most cases. Levels of the studied compounds have been assessed in some real life samples
Template and target information: dioxins, commercial MIPs
Author keywords: Brominated dioxins, Hydroxylated polibrominated diphenyl ethers, Molecularly imprinted polymers, Fractionation


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