{"refrec":{"BRefID":337381,"RR":"<b>Miranda, D.A.; Benskin, J.P.; Awad, R.; Lepoint, G.; Leonel, J.; Hatje, V.</b> (2021). Bioaccumulation of Per- and polyfluoroalkyl substances (PFASs) in a tropical estuarine food web. <i>Sci. Total Environ. 754</i>: 142146. <a href=\"https://hdl.handle.net/10.1016/j.scitotenv.2020.142146\" target=\"_blank\">https://hdl.handle.net/10.1016/j.scitotenv.2020.142146</a>","BEntID":334003,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Sci. Total Environ. 754</i>: 142146. <a href=\"https://hdl.handle.net/10.1016/j.scitotenv.2020.142146\" target=\"_blank\">https://hdl.handle.net/10.1016/j.scitotenv.2020.142146</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Miranda, D.A.; Benskin, J.P.; Awad, R.; Lepoint, G.; Leonel, J.; Hatje, V.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Miranda, D.A. <i>et al.</i>","Englishabstract":"The biomagnification of per- and polyfluoroalkyl substances (PFASs) was investigated in a tropical mangrove food web from an estuary in Bahia, Brazil. Samples of 44 organisms (21 taxa), along with biofilm, leaves, sediment and suspended particulate matter were analyzed. Sum (∑) PFAS concentrations in biota samples were dominated by perfluorooctane sulfonate (PFOS, 93% detection frequency in tissues; 0.05 to 1.97&nbsp;ng&nbsp;g<sup>−1</sup> ww whole-body (wb)), followed by perfluorotridecanoate (PFTrDA, 57%; 0.01 to 0.28&nbsp;ng&nbsp;g<sup>−1</sup> ww wb). PFOS precursors such as perfluorooctane sulfonamide (FOSA, 54%; 0.01 to 0.32&nbsp;ng&nbsp;g<sup>−1</sup> ww wb) and N-ethyl perfluorooctane sulfonamide (EtFOSA; 30%; 0.01 to 0.21&nbsp;ng&nbsp;g<sup>−1</sup> ww wb) were also detected. PFAS accumulation profiles revealed different routes of exposure among bivalve, crustacean and fish groups. Statistics for left-censored data were used in order to minimize bias on trophic magnification factors (TMFs) calculations. TMFs &gt;1 were observed for PFOS (linear&nbsp;+&nbsp;branched isomers), EtFOSA (linear&nbsp;+&nbsp;branched isomers), and perfluorononanoate (PFNA), and in all cases, dissimilar accumulation patterns were observed among different trophic positions. The apparent biodilution of some long-chain PFCAs through the food chain (TMF&nbsp;&lt;&nbsp;1) may be due to exposure from multiple PFAS sources. This is the first study investigating bioaccumulation of PFASs in a tropical food web and provides new insight on the behavior of this ubiquitous class of contaminants.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Bioaccumulation of Per- and polyfluoroalkyl substances (PFASs) in a tropical estuarine food web","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-28 01:32:43.763224","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"POPs; PFOS precursors; Tropical food web; Biomagnification; Todos os Santos Bay","OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-05-22","DateCreate":"2021-05-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000593902800002","VABBcode":null,"OpenAcc":1,"Handle":"10.1016/j.scitotenv.2020.142146"},"refs":null,"anarec":{"AnaID":337381,"PubliDate":2021,"Pagination":"142146","XtraPublOfAnaID":null,"ISBN":null,"Volume":"754","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43780,"SerRR":"Science of the Total Environment. 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