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자료유형
학술저널
저자정보
저널정보
한국환경분석학회 환경분석과 독성보건 한국환경분석학회지 제20권 제3호
발행연도
2017.1
수록면
145 - 155 (11page)

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In this work, the concentrations of several polybrominated diphenyl ethers (PBDEs) and methoxylated BDEs (MeO-BDEs) in the sediment and organisms collected from aquaculture farms along the Korean coasts were evaluated in order to study their occurrence and distribution. The concentrations of the PBDE and MeO-BDE congeners were measured by using a high-resolution gas chromatograph coupled to a mass spectrometer based on selected ion monitoring. It was found that the concentrations of the PBDEs and MeO-BDEs in the sediment and organisms from the southern coasts were higher than those found in samples from the western and eastern coasts (p<0.05). Similar results were obtained for the persistent organic pollutants (POPs) such as polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs), and dioxin-like polychlorinated biphenyls (DL-PCBs), indicating a similar contamination source or environmental behavior of these compounds. Relatively higher concentrations of PBDEs and MeO-BDEs were found in bivalves and urochordates as compared to those determined in seaweed, which could be related to their lipid contents. Deca-BDE and tetra-MeO-BDE were the predominant homologues of PBDE and MeO-BDE groups present in both the sediment and the organisms, respectively. Meanwhile, the concentration of MeO-BDEs appeared to be higher than that of PBDEs, which might be attributed to both the natural formation of MeO-BDEs in the marine ecosystem and the transformation of PBDEs to MeO-BDEs.

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