{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["7(34)"],"submitter":["Khachatryan L"],"pubmed_abstract":["To assess contribution of the radicals formed from biomass burning, our recent findings toward the formation of resonantly stabilized persistent radicals from hydrolytic lignin pyrolysis in a metal-free environment are presented in detail. Such radicals have particularly been identified during fast pyrolysis of lignin dispersed into the gas phase in a flow reactor. The trapped radicals were analyzed by X-band electron paramagnetic resonance (EPR) and high-frequency (HF) EPR spectroscopy. To conceptualize available data, the metal-free biogenic bulky stable radicals with extended conjugated backbones are suggested to categorize as a new type of metal-free environmentally persistent free radicals (EPFRs) (bio-EPFRs). They can be originated not only from lignin/biomass pyrolysis but also duri"],"journal":["ACS omega"],"pagination":["30241-30249"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9434622"],"repository":["biostudies-literature"],"pubmed_title":["Metal-Free Biomass-Derived Environmentally Persistent Free Radicals (Bio-EPFRs) from Lignin Pyrolysis."],"pmcid":["PMC9434622"],"pubmed_authors":["Khachatryan L","Asatryan R","Ozarowski A","Boldor D","Lomnicki SM","Cormier SA","Barekati-Goudarzi M"],"additional_accession":[]},"is_claimable":false,"name":"Metal-Free Biomass-Derived Environmentally Persistent Free Radicals (Bio-EPFRs) from Lignin Pyrolysis.","description":"To assess contribution of the radicals formed from biomass burning, our recent findings toward the formation of resonantly stabilized persistent radicals from hydrolytic lignin pyrolysis in a metal-free environment are presented in detail. Such radicals have particularly been identified during fast pyrolysis of lignin dispersed into the gas phase in a flow reactor. The trapped radicals were analyzed by X-band electron paramagnetic resonance (EPR) and high-frequency (HF) EPR spectroscopy. To conceptualize available data, the metal-free biogenic bulky stable radicals with extended conjugated backbones are suggested to categorize as a new type of metal-free environmentally persistent free radicals (EPFRs) (bio-EPFRs). They can be originated not only from lignin/biomass pyrolysis but also duri","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Aug","modification":"2025-04-19T07:26:48.284Z","creation":"2025-04-19T07:26:48.284Z"},"accession":"S-EPMC9434622","cross_references":{"pubmed":["36061701"],"doi":["10.1021/acsomega.2c03381"]}}