PMID- 33852286
OWN - NLM
STAT- MEDLINE
DCOM- 20210810
LR  - 20210810
IS  - 1520-5851 (Electronic)
IS  - 0013-936X (Linking)
VI  - 55
IP  - 14
DP  - 2021 Jul 20
TI  - Spatial Distribution, Bioconversion and Ecological Risk of PCBs and PBDEs in the 
      Surface Sediment of Contaminated Urban Rivers: A Nationwide Study in China.
PG  - 9579-9590
LID - 10.1021/acs.est.1c01095 [doi]
AB  - Surface sediments of polluted urban rivers can be a reservoir of hydrophobic 
      persistent organic pollutants (POPs). In this study, we comprehensively assessed 
      the contamination of two groups of POPs, that is, polychlorinated biphenyls 
      (PCBs) and polybrominated diphenyl ethers (PBDEs), in 173 black-odorous urban 
      rivers in China. Spatial distribution of PCBs and PBDEs showed similar patterns 
      but very different contamination levels in surface sediments, that is, average 
      concentrations of 10.73 and 401.16 ng/g dw for the  summation operatorPCBs and  summation operatorPBDEs, 
      respectively. Tetra-/di-CBs and deca-BDE are major PCBs and PBDEs and accounted 
      for 59.11 and 95.11 wt % of the  summation operatorPCBs and  summation operatorPBDEs, respectively. Compared with the 
      persistence of PBDEs, the EF changes of chiral PCBs together with previous 
      cultivation evidence indicated indigenous bioconversion of PCBs in black-odorous 
      urban rivers, particularly the involvement of uncharacterized Dehalococcoidia in 
      PCB dechlorination. Major PCB sources (and their relative contributions) included 
      pigment/painting (25.36%), e-waste (22.92%), metallurgical industry (13.25%), and 
      e-waste/biological degradation process (10.95%). A risk assessment indicated that 
      exposure of resident organisms in urban river sediments to deca-/penta-BDEs could 
      pose a high ecological risk. This study provides the first insight into the 
      contamination, conversion and ecological risk of PCBs and PBDEs in nationwide 
      polluted urban rivers in China.
FAU - Lu, Qihong
AU  - Lu Q
AD  - Environmental Microbiomics Research Center, School of Environmental Science and 
      Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution 
      Control and Remediation Technology, Southern Marine Science and Engineering 
      Guangdong Laboratory (Zhuhai), Sun Yat-Sen University, Guangzhou 510006, China.
AD  - State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of 
      Environmental Protection and Resources Utilization, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - Liang, Yongyi
AU  - Liang Y
AD  - Environmental Microbiomics Research Center, School of Environmental Science and 
      Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution 
      Control and Remediation Technology, Southern Marine Science and Engineering 
      Guangdong Laboratory (Zhuhai), Sun Yat-Sen University, Guangzhou 510006, China.
FAU - Fang, Wenwen
AU  - Fang W
AD  - Environmental Microbiomics Research Center, School of Environmental Science and 
      Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution 
      Control and Remediation Technology, Southern Marine Science and Engineering 
      Guangdong Laboratory (Zhuhai), Sun Yat-Sen University, Guangzhou 510006, China.
FAU - Guan, Ke-Lan
AU  - Guan KL
AD  - State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of 
      Environmental Protection and Resources Utilization, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - Huang, Chenchen
AU  - Huang C
AD  - State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of 
      Environmental Protection and Resources Utilization, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - Qi, Xuemeng
AU  - Qi X
AD  - State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of 
      Environmental Protection and Resources Utilization, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - Liang, Zhiwei
AU  - Liang Z
AD  - Environmental Microbiomics Research Center, School of Environmental Science and 
      Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution 
      Control and Remediation Technology, Southern Marine Science and Engineering 
      Guangdong Laboratory (Zhuhai), Sun Yat-Sen University, Guangzhou 510006, China.
FAU - Zeng, Yanhong
AU  - Zeng Y
AUID- ORCID: 0000-0002-8850-2456
AD  - State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of 
      Environmental Protection and Resources Utilization, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - Luo, Xiaojun
AU  - Luo X
AUID- ORCID: 0000-0002-2572-8108
AD  - State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of 
      Environmental Protection and Resources Utilization, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - He, Zhili
AU  - He Z
AUID- ORCID: 0000-0001-8225-7333
AD  - Environmental Microbiomics Research Center, School of Environmental Science and 
      Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution 
      Control and Remediation Technology, Southern Marine Science and Engineering 
      Guangdong Laboratory (Zhuhai), Sun Yat-Sen University, Guangzhou 510006, China.
FAU - Mai, Bixian
AU  - Mai B
AUID- ORCID: 0000-0001-6358-8698
AD  - State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of 
      Environmental Protection and Resources Utilization, Guangzhou Institute of 
      Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
FAU - Wang, Shanquan
AU  - Wang S
AUID- ORCID: 0000-0002-5880-5894
AD  - Environmental Microbiomics Research Center, School of Environmental Science and 
      Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution 
      Control and Remediation Technology, Southern Marine Science and Engineering 
      Guangdong Laboratory (Zhuhai), Sun Yat-Sen University, Guangzhou 510006, China.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20210414
PL  - United States
TA  - Environ Sci Technol
JT  - Environmental science & technology
JID - 0213155
RN  - 0 (Halogenated Diphenyl Ethers)
RN  - 0 (Water Pollutants, Chemical)
RN  - DFC2HB4I0K (Polychlorinated Biphenyls)
SB  - IM
MH  - China
MH  - Environmental Monitoring
MH  - Geologic Sediments
MH  - Halogenated Diphenyl Ethers/analysis
MH  - *Polychlorinated Biphenyls/analysis
MH  - Rivers
MH  - *Water Pollutants, Chemical/analysis
OTO - NOTNLM
OT  - PBDEs
OT  - PCBs
OT  - black-odorous urban river
OT  - organohalide respiring bacteria
OT  - surface sediment
EDAT- 2021/04/15 06:00
MHDA- 2021/08/11 06:00
CRDT- 2021/04/14 17:08
PHST- 2021/04/15 06:00 [pubmed]
PHST- 2021/08/11 06:00 [medline]
PHST- 2021/04/14 17:08 [entrez]
AID - 10.1021/acs.est.1c01095 [doi]
PST - ppublish
SO  - Environ Sci Technol. 2021 Jul 20;55(14):9579-9590. doi: 10.1021/acs.est.1c01095. 
      Epub 2021 Apr 14.