In Situ Microbial Degradation of PBDEs and PCBs in Sediments as Revealed by a multiple-line-of-evidence approach including compound-specific stable isotope analysis (CSIA)

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Prof. Yanhong ZENG
Associate Professor
Guangzhou Institute of Geochemistry
Chinese Academy of Sciences


Polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) are two classic groups of persistent organic pollutants in the environment. In situ microbial degradations, as the main natural remediation way of these pollutants, have always been one of the important research topics in the field of environmental sciences. However, given the complexity of the field environment and the limitation of research methods, there are many difficulties in this study. In this report, I will introduce our recent progress in in-situ microbial degradation of PCBs and PBDEs in sediments by a multiple-line-of-evidence approach, including C-CSIA.


Associate Professor Yanhong Zeng started her academic career in 2016 in Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, following a Ph.D. at University of Chinese Academy of Sciences, Beijing and a postdoctoral at Guangzhou Institute of Geochemistry, Chinese Academy of Sciences. Her research focuses on the source, fate, bioaccumulation and effects of organic pollutants in the environment. Using compound-specific isotope analysis to elucidate the sources and biotransformation of persistent organic compounds in the environment is her fundamental research interest. For more details, please visit

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