PMID- 24556543 OWN - NLM STAT- MEDLINE DCOM- 20140808 LR - 20181202 IS - 1879-1298 (Electronic) IS - 0045-6535 (Linking) VI - 106 DP - 2014 Jul TI - Bioaccumulation of decabromodiphenyl ether (BDE209) in earthworms in the presence of lead (Pb). PG - 57-64 LID - S0045-6535(14)00125-8 [pii] LID - 10.1016/j.chemosphere.2014.01.059 [doi] AB - BDE209 (decabromodiphenyl ether) and lead (Pb) are the main contaminants at e-waste recycling sites, and their potential toxicological effects on terrestrial organisms have received extensive attention. However, the impact on earthworms of exposure to the two chemicals remains almost unknown. Therefore, indoor incubation tests were performed on control and contaminated soil samples to determine the uptake and transformation of BDE209 in the presence of Pb for the first time. The results have demonstrated that Pb addition can affect BDE209 bioaccumulation efficiency compared with exposure to BDE209 alone. For a low BDE209 concentration (1mgkg(-1)), Pb addition barely affected the uptake of BDE209, whereas for a high BDE209 concentration (100mgkg(-1)), Pb addition elicited a complex response. Scanning electron microscope (SEM) observation indicated that a higher level of Pb (250 and 500mgkg(-1)) facilitated the uptake of BDE209 through the skin. Gas chromatography/mass spectrometry (GC/MS) analysis showed that the peak of BDE209 accumulation usually appeared in the joint exposure groups involving 10 or 100mgkg(-1) BDE209 and 250mgkg(-1) Pb, and the average bioaccumulation factor (BAF) was 0.53, which is more than 1.2 times that of single exposure to BDE209 (average=0.44). Also, the earthworms eliminated more BDE209 after 21d, and the biodegradation products were mainly BDE206 and BDE208. Furthermore, Pb addition can affect the transformation efficiency of BDE209 in earthworms, and several lower bromodiphenyl ethers can be detected. The results of these observations have provided a basic understanding of the potential ecotoxicological effects of joint PBDE and heavy metal exposure on terrestrial invertebrates. CI - Copyright (c) 2014 Elsevier Ltd. All rights reserved. FAU - Zhang, Wei AU - Zhang W AD - State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China; School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China. Electronic address: wzhang@ecust.edu.cn. FAU - Chen, Lin AU - Chen L AD - State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China; School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China. FAU - Liu, Kou AU - Liu K AD - State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China; School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China. FAU - Chen, Lei AU - Chen L AD - State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China; School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China. FAU - Lin, Kuangfei AU - Lin K AD - State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China; School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China. FAU - Chen, Yongsheng AU - Chen Y AD - School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta 30332, USA. Electronic address: yongsheng.chen@ce.gatech.edu. FAU - Yan, Zenguang AU - Yan Z AD - Chinese Research Academy of Environmental Sciences, Beijing 100012, China. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20140218 PL - England TA - Chemosphere JT - Chemosphere JID - 0320657 RN - 0 (Halogenated Diphenyl Ethers) RN - 0 (Soil Pollutants) RN - 2P299V784P (Lead) RN - N80BQ29A0H (decabromobiphenyl ether) SB - IM MH - Animals MH - Ecotoxicology MH - Gas Chromatography-Mass Spectrometry MH - Halogenated Diphenyl Ethers/*pharmacokinetics MH - Lead/*pharmacology MH - Oligochaeta/*drug effects/*metabolism MH - Skin/drug effects/metabolism MH - Skin Absorption/drug effects MH - Soil Pollutants/*pharmacokinetics OTO - NOTNLM OT - BDE209 OT - Bioaccumulation OT - Earthworm OT - Joint toxicity OT - Lead EDAT- 2014/02/22 06:00 MHDA- 2014/08/13 06:00 CRDT- 2014/02/22 06:00 PHST- 2013/08/07 00:00 [received] PHST- 2014/01/22 00:00 [revised] PHST- 2014/01/28 00:00 [accepted] PHST- 2014/02/22 06:00 [entrez] PHST- 2014/02/22 06:00 [pubmed] PHST- 2014/08/13 06:00 [medline] AID - S0045-6535(14)00125-8 [pii] AID - 10.1016/j.chemosphere.2014.01.059 [doi] PST - ppublish SO - Chemosphere. 2014 Jul;106:57-64. doi: 10.1016/j.chemosphere.2014.01.059. Epub 2014 Feb 18.