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Ecotoxicology and environmental safety v.147, 2018년, pp.394 - 400   SCI SCIE
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Assessing the environmental impact of phenanthrene in different types of land use based on the binding characteristics with dissolved organic matter

Chen, Xiao-Meng    (College of Life Science, Northeast Agricultural University, Harbin 150030, China   ); Zhao, Yue    (College of Life Science, Northeast Agricultural University, Harbin 150030, China   ); Ma, Ying-Ying    (College of Life Science, Northeast Agricultural University, Harbin 150030, China   ); Zhu, Long-Ji    (College of Life Science, Northeast Agricultural University, Harbin 150030, China   ); Yang, Tian-Xue    (State Key Laboratory of Environment Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China   ); Wei, Zi-Min    (College of Life Science, Northeast Agricultural University, Harbin 150030, China   ); Dong, Ying-Li    (Environmental Monitoring Center of Heilongjiang Province, Harbin 150056, China   ); Wei, Qing-Bin    (Environmental Monitoring Center of Heilongjiang Province, Harbin 150056, China  );
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    Abstract The binding characteristics of phenanthrene with dissolved organic matter (DOM) were studied by the excitation emission matrix fluorescence spectroscopy with parallel factor analysis in four types of land use which derived from forest (F), meadow (M), cropland (C), and greenhouse (G). The results showed that the humification degree and binding characteristics of phenanthrene with DOM were distinct differences in the four soils. The binding capacities of humic-like components with phenanthrene were stronger than those of protein-like components. The log K derived from the Stern-Volmer equation significantly correlated with the humification degree of DOM ( p K , which presented a decrease order of C > F > M > G. Therefore, the environmental impact of phenanthrene in different types of land use could be assessed deeply based on the Fk and DOM concentration. Highlights The log K values of component 3 are positively correlated with the humification degree of DOM. The order of potential binding index is: cropland > forest > meadow > greenhouse. The potential binding index and DOM concentration co-determine the environmental impact of phenanthrene. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Phenanthrene .   Dissolved organic matter (DOM) .   Excitation and emission matrix-parallel factor (EEM-PARAFAC) analysis .   Environmental impact.  

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