| Levels of polybrominated diphenyl ethers and hexabromocyclododecane in the atmosphere and tree bark from Beijing, China. | |
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MedLine Citation:
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PMID: 21546059 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Air samples in four seasons at one site and tree bark samples from four districts were determined to investigate seasonal variation and regional distribution of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCD) in Beijing, China. The total concentrations of PBDEs (∑PBDE) and HBCD (∑HBCD) were in the range of 57-470 and 20-1800pgm(-3) in the atmosphere, respectively. The ∑PBDE and ∑HBCD concentrations were significantly influenced by the total suspended particulate matter in atmosphere. The total concentrations of PBDEs and HBCD in tree bark samples were in the range of 99-3700 and 26-3400ngg(-1) lipid weight. It was found that regional distribution of PBDEs and HBCD was related to the function of each district. In addition, the study found that weeping willow bark was an ideal atmospheric PBDEs and HBCD passive sampler. Finally, atmospheric levels of BDE-209 and HBCD at tree bark sampling districts were estimated via applying an established bark/air partitioning model, which had been verified by the measured concentrations in tree bark and atmosphere in Beijing. |
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Authors:
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Jicheng Hu; Jun Jin; Ying Wang; Zhaohui Ma; Wanjing Zheng |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-3 |
Journal Detail:
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Title: Chemosphere Volume: - ISSN: 1879-1298 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0320657 Medline TA: Chemosphere Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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College of Life and Environmental Science, MinZu University of China, Beijing 100081, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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