{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["9(9)"],"submitter":["Tucci M"],"pubmed_abstract":["Biological methanation is increasingly considered for biogas upgrading. Here, the supplementation of conductive magnetite (Fe<sub>3</sub>O<sub>4</sub>) nanoparticles is investigated as a strategy to enhance H<sub>2</sub>-driven biomethanation in a mixed hydrogenotrophic methanogenic community. An enrichment culture, maintained for over 180 days in a fill-and-draw anaerobic bioreactor under H<sub>2</sub>/CO<sub>2</sub> feeding, is used to inoculate batch microcosms containing 0, 1.25, and 2.5 gFe L<sup>-1</sup> of magnetite. Magnetite addition resulted in a dose-dependent increase in maximum methane production rates-up to 13-fold compared to controls-and sustained high hydrogen-to-methane conversion yields (78-107%). 16S rRNA gene sequencing reveals that archaeal community composition remai"],"journal":["Global challenges (Hoboken, NJ)"],"pagination":["e00367"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12418360"],"repository":["biostudies-literature"],"pubmed_title":["Magnetite Nanoparticles Enhancing H&lt;sub&gt;2&lt;/sub&gt;-Driven Biomethanation in a Mixed Microbial Community."],"pmcid":["PMC12418360"],"pubmed_authors":["Tucci M","Iosi F","Firrincieli A","Matturro B","Sabangan JI","Cruz Viggi C","Bertaccini L","Piacentini A","D'Ugo E","Aulenta F","Uccelletti D","Fazi S"],"additional_accession":[]},"is_claimable":false,"name":"Magnetite Nanoparticles Enhancing H&lt;sub&gt;2&lt;/sub&gt;-Driven Biomethanation in a Mixed Microbial Community.","description":"Biological methanation is increasingly considered for biogas upgrading. Here, the supplementation of conductive magnetite (Fe<sub>3</sub>O<sub>4</sub>) nanoparticles is investigated as a strategy to enhance H<sub>2</sub>-driven biomethanation in a mixed hydrogenotrophic methanogenic community. An enrichment culture, maintained for over 180 days in a fill-and-draw anaerobic bioreactor under H<sub>2</sub>/CO<sub>2</sub> feeding, is used to inoculate batch microcosms containing 0, 1.25, and 2.5 gFe L<sup>-1</sup> of magnetite. Magnetite addition resulted in a dose-dependent increase in maximum methane production rates-up to 13-fold compared to controls-and sustained high hydrogen-to-methane conversion yields (78-107%). 16S rRNA gene sequencing reveals that archaeal community composition remai","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-02T00:19:07.384Z","creation":"2026-05-24T03:07:57.719Z"},"accession":"S-EPMC12418360","cross_references":{"pubmed":["40933360"],"doi":["10.1002/gch2.202500367"]}}