{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Abernathy MJ"],"funding":["National Institute of Environmental Health Sciences","NIEHS NIH HHS","National Institute of Food and Agriculture","University of California, Riverside"],"pagination":["11703-11712"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11938697"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["55(17)"],"pubmed_abstract":["Vanadium is a redox-active metal that has been added to the EPA's Contaminant Candidate List with a notification level of 50 μg L<sup>-1</sup> due to mounting evidence that V<sup>V</sup> exposure can lead to adverse health outcomes. Groundwater V concentration exceeds the notification level in many locations, yet geochemical controls on its mobility are poorly understood. Here, we examined the redox interaction between V<sup>IV</sup> and birnessite (MnO<sub>2</sub>), a well-characterized oxidant and a scavenger of many trace metals. In our findings, birnessite quickly oxidized sparingly soluble V<sup>IV</sup> species such as häggite [V<sub>2</sub>O<sub>3</sub>(OH)<sub>2</sub>] into highly mobile and toxic vanadate (H<i><sub>n</sub></i>VO<sub>4</sub><sup>(3-<i>n</i>)-</sup>) in continuously"],"journal":["Environmental science & technology"],"pubmed_title":["Oxidation of V(IV) by Birnessite: Kinetics and Surface Complexation."],"pmcid":["PMC11938697"],"funding_grant_id":["T32 ES018827","CA-R-ENS-5151-H"],"pubmed_authors":["Vessey CJ","Liu H","Schaefer MV","Abernathy MJ","Ying SC"],"additional_accession":[]},"is_claimable":false,"name":"Oxidation of V(IV) by Birnessite: Kinetics and Surface Complexation.","description":"Vanadium is a redox-active metal that has been added to the EPA's Contaminant Candidate List with a notification level of 50 μg L<sup>-1</sup> due to mounting evidence that V<sup>V</sup> exposure can lead to adverse health outcomes. Groundwater V concentration exceeds the notification level in many locations, yet geochemical controls on its mobility are poorly understood. Here, we examined the redox interaction between V<sup>IV</sup> and birnessite (MnO<sub>2</sub>), a well-characterized oxidant and a scavenger of many trace metals. In our findings, birnessite quickly oxidized sparingly soluble V<sup>IV</sup> species such as häggite [V<sub>2</sub>O<sub>3</sub>(OH)<sub>2</sub>] into highly mobile and toxic vanadate (H<i><sub>n</sub></i>VO<sub>4</sub><sup>(3-<i>n</i>)-</sup>) in continuously","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Sep","modification":"2025-07-04T03:05:52.767Z","creation":"2025-07-04T03:05:52.767Z"},"accession":"S-EPMC11938697","cross_references":{"pubmed":["34488349"],"doi":["10.1021/acs.est.1c02464"]}}