{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Liu L"],"funding":["Shanxi Datong University","National Natural Science Foundation of China"],"pagination":["26315-26320"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9070404"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["9(45)"],"pubmed_abstract":["In this work, a novel fluorescence nanosensor for selective and sensitive determination of amaranth was constructed using carbon dots (C-dots). Water soluble C-dots with strong fluorescence were obtained by a simple microwave-assisted method using urea and glycine as raw materials. It was found that amaranth can efficiently and sensitively quench the C-dots fluorescence by the inner filter effect (IFE) and non-radiative energy transfer (NRET) mechanisms. The fluorescence quenching efficiency (<i>F</i> <sub>0</sub>/<i>F</i>) was strongly correlated with the concentration of amaranth in the 0.2-30 μM range. The detection limit (LOD) is 0.021 μM. There was no significant change in the fluorescence intensity of C-dots when other potentially interfering substances were present in the system. Ou"],"journal":["RSC advances"],"pubmed_title":["Highly selective and sensitive detection of amaranth by using carbon dots-based nanosensor."],"pmcid":["PMC9070404"],"funding_grant_id":["2014-B-13 and 2016-B-13","21375083"],"pubmed_authors":["Li H","Mi Z","Liu L","Li C","Feng F","Hu Q"],"additional_accession":[]},"is_claimable":false,"name":"Highly selective and sensitive detection of amaranth by using carbon dots-based nanosensor.","description":"In this work, a novel fluorescence nanosensor for selective and sensitive determination of amaranth was constructed using carbon dots (C-dots). Water soluble C-dots with strong fluorescence were obtained by a simple microwave-assisted method using urea and glycine as raw materials. It was found that amaranth can efficiently and sensitively quench the C-dots fluorescence by the inner filter effect (IFE) and non-radiative energy transfer (NRET) mechanisms. The fluorescence quenching efficiency (<i>F</i> <sub>0</sub>/<i>F</i>) was strongly correlated with the concentration of amaranth in the 0.2-30 μM range. The detection limit (LOD) is 0.021 μM. There was no significant change in the fluorescence intensity of C-dots when other potentially interfering substances were present in the system. Ou","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 Aug","modification":"2025-04-04T23:16:56.246Z","creation":"2025-04-04T23:16:56.246Z"},"accession":"S-EPMC9070404","cross_references":{"pubmed":["35531017"],"doi":["10.1039/c9ra04494a"]}}