{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Shi Y"],"funding":["Foundation of the Agricultural Resources and Environmental Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Arable Land Conservation","Guangxi Key Technologies R&D Program","National Natural Science Foundation of China","Guangxi Science and Technology Major Program"],"pagination":["e10577"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12713033"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(47)"],"pubmed_abstract":["By regulating cellulose molecular weight through enzymatic hydrolysis to obtain different carbon precursors, three types of carbon quantum dots (CQDs) are synthesized via hydrothermal methods: cellulose enzyme-hydrolyzed solids-based carbon quantum dots (CES-CQDs), cellulose enzyme-hydrolyzed mixtures-based carbon quantum dots (CEM-CQDs), and cellulose hydrothermal degradation products-based carbon quantum dots (CHD-CQDs). By controlling the molecular weight of the cellulose precursor, the O/C ratio of the CQDs is systematically modulated from 0.25 to 0.61, resulting in a more than five-fold increase in fluorescence intensity and an approximately seven-fold improvement in quantum yield (QY). Density functional theory (DFT) calculations indicate that high O/C ratio enhances oscillator stren"],"journal":["Advanced science (Weinheim, Baden-Wurttemberg, Germany)"],"pubmed_title":["O/C Ratio-Driven Fluorescence Enhancement in Cellulose-Derived Carbon Quantum Dots: Mechanistic Insights into Reaction Pathways."],"pmcid":["PMC12713033"],"funding_grant_id":["AB2506914","22268007","AB25069140","AA22117013","No.23-026-12-24KF1andNo.23-026-12-25KF02"],"pubmed_authors":["Chong MN","Kang X","Zhao S","Zhang Z","Chen X","Ou X","Song X","Shi Y"],"additional_accession":[]},"is_claimable":false,"name":"O/C Ratio-Driven Fluorescence Enhancement in Cellulose-Derived Carbon Quantum Dots: Mechanistic Insights into Reaction Pathways.","description":"By regulating cellulose molecular weight through enzymatic hydrolysis to obtain different carbon precursors, three types of carbon quantum dots (CQDs) are synthesized via hydrothermal methods: cellulose enzyme-hydrolyzed solids-based carbon quantum dots (CES-CQDs), cellulose enzyme-hydrolyzed mixtures-based carbon quantum dots (CEM-CQDs), and cellulose hydrothermal degradation products-based carbon quantum dots (CHD-CQDs). By controlling the molecular weight of the cellulose precursor, the O/C ratio of the CQDs is systematically modulated from 0.25 to 0.61, resulting in a more than five-fold increase in fluorescence intensity and an approximately seven-fold improvement in quantum yield (QY). Density functional theory (DFT) calculations indicate that high O/C ratio enhances oscillator stren","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Dec","modification":"2026-06-06T04:27:20.573Z","creation":"2026-05-25T03:11:54.585Z"},"accession":"S-EPMC12713033","cross_references":{"pubmed":["41051368"],"doi":["10.1002/advs.202510577"]}}