{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Cui WR"],"funding":["Natural Science Foundation of Jiangxi Province","National Natural Science Foundation of China"],"pagination":["436"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6978342"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["11(1)"],"pubmed_abstract":["Uranium is a key element in the nuclear industry, but its unintended leakage has caused health and environmental concerns. Here we report a sp<sup>2</sup> carbon-conjugated fluorescent covalent organic framework (COF) named TFPT-BTAN-AO with excellent chemical, thermal and radiation stability is synthesized by integrating triazine-based building blocks with amidoxime-substituted linkers. TFPT-BTAN-AO shows an exceptional UO<sub>2</sub><sup>2+</sup> adsorption capacity of 427 mg g<sup>-1</sup> attributable to the abundant selective uranium-binding groups on the highly accessible pore walls of open 1D channels. In addition, it has an ultra-fast response time (2 s) and an ultra-low detection limit of 6.7 nM UO<sub>2</sub><sup>2+</sup> suitable for on-site and real-time monitoring of UO<sub>2</sub><sup>2+</sup>, allowing not only extraction but also monitoring the quality of the extracted water. This study demonstrates great potential of fluorescent COFs for radionuclide detection and extraction. By rational designing target ligands, this strategy can be extended to the detection and extraction of other contaminants."],"journal":["Nature communications"],"pubmed_title":["Regenerable and stable sp<sup>2</sup> carbon-conjugated covalent organic frameworks for selective detection and extraction of uranium."],"pmcid":["PMC6978342"],"funding_grant_id":["21675078, 21775065, and 21976077","20165BCB18022"],"pubmed_authors":["Cui WR","Liu J","Zhang CR","Jiang W","Qiu JD","Liang RP","Li FF"],"additional_accession":[]},"is_claimable":false,"name":"Regenerable and stable sp<sup>2</sup> carbon-conjugated covalent organic frameworks for selective detection and extraction of uranium.","description":"Uranium is a key element in the nuclear industry, but its unintended leakage has caused health and environmental concerns. Here we report a sp<sup>2</sup> carbon-conjugated fluorescent covalent organic framework (COF) named TFPT-BTAN-AO with excellent chemical, thermal and radiation stability is synthesized by integrating triazine-based building blocks with amidoxime-substituted linkers. TFPT-BTAN-AO shows an exceptional UO<sub>2</sub><sup>2+</sup> adsorption capacity of 427 mg g<sup>-1</sup> attributable to the abundant selective uranium-binding groups on the highly accessible pore walls of open 1D channels. In addition, it has an ultra-fast response time (2 s) and an ultra-low detection limit of 6.7 nM UO<sub>2</sub><sup>2+</sup> suitable for on-site and real-time monitoring of UO<sub>2</sub><sup>2+</sup>, allowing not only extraction but also monitoring the quality of the extracted water. This study demonstrates great potential of fluorescent COFs for radionuclide detection and extraction. By rational designing target ligands, this strategy can be extended to the detection and extraction of other contaminants.","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Jan","modification":"2024-11-09T05:56:09.634Z","creation":"2020-05-22T09:00:54Z"},"accession":"S-EPMC6978342","cross_references":{"pubmed":["31974343"],"doi":["10.1038/s41467-020-14289-x"]}}