Brominated flame retardants in serum from the general population in northern China.
Brominated flame retardants in serum from the general population in northern China.
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DOI：
10.1021/es901296t
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发表时间：
2009-08
影响因子：
11.4
通讯作者：
Lingyan Zhu;B. Ma;R. Hites
中科院分区：
文献类型：
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作者：
Lingyan Zhu;B. Ma;R. Hites
2006年，从中国天津办公室清洁工、大学生和警察三个人群中采集了128份血清样本。这些样品都进行了多溴联苯醚（PBDEs）和其他溴化阻燃剂（BFRs）的分析。总多溴二苯醚（41个同系物的总和）的中位数浓度为7.1 ng/g脂质，范围为0.48 ~ 1980 ng/g脂质。在这些多溴二苯醚同系物中，三至七-多溴二苯醚（SigmaPBDE3-7）同系物浓度的中位数总和为2.9 ng/g脂质，范围为0.48至20 ng/g脂质。最常见的三至七溴化同系物为BDE-47（占总数的30%）、BDE-99（24%）、BDE-183（15%）、BDE-153（12%）、BDE-28（9.5%）和BDE-100（6.2%）。这些SigmaPBDE3-7水平与在欧洲和亚洲观察到的水平相似，但远低于在北美观察到的水平。在部分血清样本中检测到高溴化BDE同源物。其中，28份样本检测到BDE-209；这些样本中BDE-209的中位浓度为42 ng/g脂质，范围从ND到1770 ng/g脂质。办公室清洁工的总多溴二苯醚含量显著高于大学生和警察。此外，我们还测量了其他几个BFRs。在26份样品中鉴定出六溴苯（HBB），中位浓度为0.27 ng/g脂质，范围为0.11 ~ 1.50 ng/g脂质。五溴乙苯（PBEB）、六溴环十二烷（HBCD）、1,2-二（2,4,6-三溴苯氧基）乙烷（BTBPE）和十溴二苯乙烷（DBDPE）均未检出。
In 2006, 128 serum samples were collected from three populations in Tianjin, China: office cleaners, university students, and policemen. These samples were all analyzed for polybrominated diphenyl ethers (PBDEs) and for other brominated flame retardants (BFRs). The median concentration of total PBDEs (sum of 41 congeners) was 7.1 ng/g lipid, ranging from 0.48 to 1980 ng/g lipid. Among these PBDE congeners, the median sum of the tri- to hepta-PBDE (SigmaPBDE3-7) congener concentrations was 2.9 ng/g lipid, ranging from 0.48 to 20 ng/g lipid. The most common tri- to heptabrominated congeners were BDE-47 (30% of total), BDE-99 (24%), BDE-183 (15%), BDE-153 (12%), BDE-28 (9.5%), and BDE-100 (6.2%). These levels of SigmaPBDE3-7 were similar to those observed in Europe and Asia but were much lower than those observed in North America. Highly brominated BDE congeners were detected in some serum samples. In particular, BDE-209 was detected in 28 samples; the median BDE-209 concentration in these samples was 42 ng/g lipid, ranging from ND to 1770 ng/g lipid. The total PBDE levels in office cleaners were significantly higher than in university students and policemen. In addition, we also measured several other BFRs. Hexabromobenzene (HBB) was identified in 26 samples with a median concentration of 0.27 ng/g lipid, ranging from 0.11 to 1.50 ng/g lipid. Pentabromoethylbenzene (PBEB), hexabromocyclododecane (HBCD), 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), and decabromodiphenylethane (DBDPE) were not detected in any of these samples.