{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Campos-Pereira H"],"funding":["Vetenskapsr?det"],"pagination":["15722-15730"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7745537"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["54(24)"],"pubmed_abstract":["An improved quantitative and qualitative understanding of the interaction of per- and polyfluoroalkyl substances (PFASs) and short-range ordered Fe (hydr)oxides is crucial for environmental risk assessment in environments low in natural organic matter. Here, we present data on the pH-dependent sorption behavior of 12 PFASs onto ferrihydrite. The nature of the binding mechanisms was investigated by sulfur K-edge X-ray absorption near-edge structure (XANES) spectroscopy and by phosphate competition experiments. Sulfur K-edge XANES spectroscopy showed that the sulfur atom of the head group of the sulfonated PFASs retained an oxidation state of +V after adsorption. Furthermore, the XANES spectra did not indicate any involvement of inner-sphere surface complexes in the sorption process. Adsorpt"],"journal":["Environmental science & technology"],"pubmed_title":["The Adsorption of Per- and Polyfluoroalkyl Substances (PFASs) onto Ferrihydrite Is Governed by Surface Charge."],"pmcid":["PMC7745537"],"funding_grant_id":["2015-03938"],"pubmed_authors":["Campos-Pereira H","Ahrens L","Kleja DB","Klysubun W","Sjostedt C","Gustafsson JP"],"additional_accession":[]},"is_claimable":false,"name":"The Adsorption of Per- and Polyfluoroalkyl Substances (PFASs) onto Ferrihydrite Is Governed by Surface Charge.","description":"An improved quantitative and qualitative understanding of the interaction of per- and polyfluoroalkyl substances (PFASs) and short-range ordered Fe (hydr)oxides is crucial for environmental risk assessment in environments low in natural organic matter. Here, we present data on the pH-dependent sorption behavior of 12 PFASs onto ferrihydrite. The nature of the binding mechanisms was investigated by sulfur K-edge X-ray absorption near-edge structure (XANES) spectroscopy and by phosphate competition experiments. Sulfur K-edge XANES spectroscopy showed that the sulfur atom of the head group of the sulfonated PFASs retained an oxidation state of +V after adsorption. Furthermore, the XANES spectra did not indicate any involvement of inner-sphere surface complexes in the sorption process. Adsorpt","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Dec","modification":"2025-04-26T04:20:18.68Z","creation":"2025-04-06T11:05:36.496Z"},"accession":"S-EPMC7745537","cross_references":{"pubmed":["33244971"],"doi":["10.1021/acs.est.0c01646"]}}