期刊
ENVIRONMENTAL RESEARCH
卷 155, 期 -, 页码 116-122出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2017.02.010
关键词
Brominated flame retardants; Polybrominated diphenyl ethers; Dechlorane plus; Temporal trend; Human serum
资金
- Fundamental Research Funds for the Central Universities [0910ICYQN50, 2015MDTD23C]
- Institution of Higher Education Innovation Talent Recruitment Program (111 Program) [B08044]
The residents of Shandong Province, China, are exposed to high concentrations of halogenated flame retardants because large amounts of halogenated flame retardants are produced in the province. We determined the concentrations of eight polybrominated diphenyl ether congeners (PBDEs), seven novel brominated flame retardants (NBFRs), and the two dechlorane plus isomers (DPs) in serum from residents of Shandong Province. The aim was to identify temporal trends in the concentrations of these pollutants. The mean total concentrations of PBDEs, NBFRs and DPs were 41, 2.2 and 2.1 ng/g lipid in pooled serum samples collected in 2014, and were 32, 3.5 and 3.1 ng/g lipid in pooled serum samples collected in 2015, respectively. Decabromodiphenyl ether was the dominant PBDE congener in all of the samples. The novel brominated flame retardant and dechlorane plus concentrations were between one and two orders of magnitude lower than the PBDE concentrations. The PBDE concentrations in serum decreased significantly between 2007 and 2015, but the pentabromobenzene, pentabromotoluene, and dechlorane plus concentrations were relatively stable.
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