{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Lin L"],"funding":["MOST | National Key Research and Development Program of China (NKPs)","MOST | National Key Research and Development Program of China","MOST | National Natural Science Foundation of China (NSFC)","MOST | National Natural Science Foundation of China"],"pagination":["e2501354122"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11962437"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["122(12)"],"pubmed_abstract":["The co-occurrence of arsenic and uranium in groundwater has been found in many countries, posing a significant challenge to human health. Here, we have demonstrated the efficient simultaneous removal of arsenic and uranyl-carbonate complexes from groundwater using {001}-TiO<sub>2</sub>. Surprisingly, the presence of U(VI) greatly enhanced the adsorption of As(V) on {001}-TiO<sub>2</sub>, while As(V) had a negligible impact on U(VI) adsorption. Through in situ ATR-FTIR spectroscopy, we uncovered a mechanism involving the formation of a ternary surface complex [Ti-U(VI)-As(V)] on the surface of {001}-TiO<sub>2</sub>. This ternary surface complex formed through the substitution of CO<sub>3</sub><sup>2-</sup> from uranyl coordination sites. Furthermore, the adsorbed As(V) and U(VI) can be easi"],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pubmed_title":["Ternary surface complexation promotes simultaneous removal of arsenic and uranium by TiO&lt;sub&gt;2&lt;/sub&gt;."],"pmcid":["PMC11962437"],"funding_grant_id":["51678557 and 41977280","2023YFC3207902"],"pubmed_authors":["Luan F","Li Z","Ren J","Lin L","Meng Y"],"additional_accession":[]},"is_claimable":false,"name":"Ternary surface complexation promotes simultaneous removal of arsenic and uranium by TiO&lt;sub&gt;2&lt;/sub&gt;.","description":"The co-occurrence of arsenic and uranium in groundwater has been found in many countries, posing a significant challenge to human health. Here, we have demonstrated the efficient simultaneous removal of arsenic and uranyl-carbonate complexes from groundwater using {001}-TiO<sub>2</sub>. Surprisingly, the presence of U(VI) greatly enhanced the adsorption of As(V) on {001}-TiO<sub>2</sub>, while As(V) had a negligible impact on U(VI) adsorption. Through in situ ATR-FTIR spectroscopy, we uncovered a mechanism involving the formation of a ternary surface complex [Ti-U(VI)-As(V)] on the surface of {001}-TiO<sub>2</sub>. This ternary surface complex formed through the substitution of CO<sub>3</sub><sup>2-</sup> from uranyl coordination sites. Furthermore, the adsorbed As(V) and U(VI) can be easi","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Mar","modification":"2026-06-03T12:10:31.371Z","creation":"2026-04-27T03:11:28.598Z"},"accession":"S-EPMC11962437","cross_references":{"pubmed":["40112104"],"doi":["10.1073/pnas.2501354122"]}}