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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling, Fine particle

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Species- and tissue-specific bioaccumulation of arsenicals in various aquatic organisms from a highly industrialized area in the Pohang City, Korea

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Title
Species- and tissue-specific bioaccumulation of arsenicals in various aquatic organisms from a highly industrialized area in the Pohang City, Korea
Author
Hong, SeongjinKhim, Jong SeongPark, JinsoonSon, Hee-SikChoi, Sung-DeukChoi, KyunghoRyu, JongseongKim, Chang-YongChang, Gap SooGiesy, John P.
Issue Date
2014-09
Publisher
ELSEVIER SCI LTD
Citation
ENVIRONMENTAL POLLUTION, v.192, pp.27 - 35
Abstract
Contamination of water and sediment with arsenic (As) in a highly industrialized area of Pohang City, Korea was investigated, with emphasis on in situ bioaccumulation of arsenicals by various aquatic organisms. Species- and tissue-specific concentrations of arsenicals were determined by use of HPLC-ICP/MS and μ-X-ray absorption near-edge structure (μ-XANES). Concentrations of arsenic in aquatic organisms were strongly associated with corresponding water concentrations, which indicates point sources associated with land use and activities. Arsenobetaine was the most dominant form of arsenic found in fishes, bivalves, crabs, and shrimps, while AsIII was predominant in freshwater snails. The μ-XANES analysis provided additional information about the unidentified arsenicals such as As-thiol. Arsenicals were mainly localized in intestine of mullet and marsh clam. Distribution and bioaccumulation of arsenic were strongly correlated with salinity, which indicates that natural processes controlling biogeochemistry of arsenic would be important in estuarine lotic system.
URI
https://scholarworks.unist.ac.kr/handle/201301/5044
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84901942894
DOI
10.1016/j.envpol.2014.05.004
ISSN
0269-7491
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UEE_Journal Papers
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