{"refrec":{"BRefID":141036,"RR":"<b>De Vos, M.G.; Huijbregts, M.A.J.; Van den Heuvel-Greve, M.; Vethaak, A.D.; Van de Vijver, K.I.; Leonards, P.E.G.; Van Leeuwen, S.P.J.; de Voogt, P.; Hendriks, A.J.</b> (2008). Accumulation of perfluorooctane sulfonate (PFOS) in the food chain of the Western Scheldt estuary: comparing field measurements with kinetic modeling. <i>Chemosphere 70(10)</i>: 1766-1773. <a href=\"http://dx.doi.org/10.1016/j.chemosphere.2007.08.038\" target=\"_blank\">http://dx.doi.org/10.1016/j.chemosphere.2007.08.038</a>","BEntID":134409,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Chemosphere 70(10)</i>: 1766-1773. <a href=\"http://dx.doi.org/10.1016/j.chemosphere.2007.08.038\" target=\"_blank\">http://dx.doi.org/10.1016/j.chemosphere.2007.08.038</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"De Vos, M.G.; Huijbregts, M.A.J.; Van den Heuvel-Greve, M.; Vethaak, A.D.; Van de Vijver, K.I.; Leonards, P.E.G.; Van Leeuwen, S.P.J.; de Voogt, P.; Hendriks, A.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"De Vos, M.G. <i>et al.</i>","Englishabstract":"The environmentally persistent perfluorooctane sulfonate (PFOS) is a perfluoroalkylated acid (PFA), which has been found to accumulate and biomagnify through food webs all over the world. In the present investigation, the accumulation kinetics of PFOS was explored using the bioaccumulation model OMEGA. As accumulation behavior of PFOS may show similarities to fatty acids as well as to neutral organic compounds, different modeling approaches were used. Accumulation kinetics of PFOS was modeled similar to (1) moderately and (2) highly hydrophobic compounds, (3) metals and (4) as a combination of hydrophobic compounds and metals. Modeled elimination and uptake rate constants were compared to empirical rate constants from literature. Subsequently, model predictions were compared to field-based biota-suspended solids accumulation ratios (BSAF) in the estuarine food chain of the Western Scheldt, The Netherlands. Results show that uptake of PFOS is comparable to moderately hydrophobic compounds and elimination is best described by elimination kinetics of metals. These observations indicate that the accumulation behavior of PFOS is comparable to that of short and medium chained fatty acids.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Accumulation of perfluorooctane sulfonate (PFOS) in the food chain of the Western Scheldt estuary: comparing field measurements with kinetic modeling","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:32:52.928458","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2008,"MonPub":null,"DateUpdate":"2016-06-12","DateCreate":"2009-09-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000253883100004","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.chemosphere.2007.08.038"},"refs":null,"anarec":{"AnaID":141036,"PubliDate":2008,"Pagination":"1766-1773","XtraPublOfAnaID":null,"ISBN":null,"Volume":"70","Issue":"10","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42564,"SerRR":"Chemosphere. 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