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Polybrominated and mixed brominated/chlorinated dibenzo-p-dioxins in sponge (Ephydatia fluviatilis) from the Baltic Sea
Department of Applied Environmental Science (ITM), Stockholm University. (Department of Environmental Chemistry, Stockholm University)
Department of Applied Environmental Science (ITM), Stockholm University.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Department of Applied Environmental Science (ITM), Stockholm University.
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2009 (English)In: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 43, no 21, 8245-8250 p.Article in journal (Refereed) Published
Abstract [en]

Polybrominated dibenzo-p-dioxins (PBDDs) have recently been found in the Baltic Sea at concentrations 1000 times above that of the chlorinated analogs (PCDDs), yet their sources are undefined. Marine production of organobrominated compounds by sponges is well documented. The objective of the current study was to investigate the potential for an aquatic sponge (Ephydatia fluviatilis), common to the Baltic Sea, to produce PBDDs and other organobromine compounds in the field. Mono- to pentaBDDs as well as several mixed brominated/chlorinated dibenzo-p-dioxins (Br/Cl-DDs), PCDDs and methoxylated polybrominated diphenyl ethers (MeO-PBDEs) were quantified in sponge from the SW Baltic. Concentrations of individual PBDDs in the range 1-80 ng per g extractable organic matter were similar as in blue mussels from the Baltic Sea and about 25 000 times higher than 2,3,7,8-tetraCDD. To the best of our knowledge, this is the first time Br/Cl-DDs are reported in biota from a background environment. While this study does not point out sponges as a dominant source, the concentrations of PBDDs in sponge relative to related anthropogenic compounds such as PBDEs and PCDDs as well as the relative abundance of brominated dioxins and furans strengthens the idea of natural production.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2009. Vol. 43, no 21, 8245-8250 p.
Keyword [en]
Graft polymerization, HILIC, HPLC, Porous silica, RAFT, Stationary phase
National Category
Chemical Sciences
Research subject
Analytical Chemistry
URN: urn:nbn:se:umu:diva-30086DOI: 10.1021/es901705rPubMedID: 19924951OAI: diva2:279439
Available from: 2009-12-03 Created: 2009-12-03 Last updated: 2012-01-09Bibliographically approved

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