{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Yan Y"],"funding":["National Basic Research Program of China","Natural Science Foundation of Anhui Province","National Natural Science Foundation of China"],"pagination":["27652-27658"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9070855"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["9(47)"],"pubmed_abstract":["Hydrogen sulfide (H<sub>2</sub>S) is a biologically relevant molecule that has been newly identified as a gasotransmitter and is also a toxic gaseous pollutant. In this study, we report on a metal complex fluorescent probe to achieve the sensitive detection of H<sub>2</sub>S in a fluorescent \"turn-on\" mode. The probe bears a dansyl fluorophore with multidentate ligands for coordination with copper ions. The fluorescent \"turn-on\" mode is facilitated by the strong bonding between H<sub>2</sub>S and the Cu(ii) ions to form insoluble copper sulfide, which leads to the release of a strongly fluorescent product. The H<sub>2</sub>S limit of detection (LOD) for the proposed probe is estimated to be 11 nM in the aqueous solution, and the utilization of the probe is demonstrated for detecting H<sub>2</sub>S in actual lake and mineral water samples with good reproducibility. Furthermore, we designed detector vials and presented their successful application for the visual detection of gaseous H<sub>2</sub>S."],"journal":["RSC advances"],"pubmed_title":["A turn-on fluorescent probe with a dansyl fluorophore for hydrogen sulfide sensing."],"pmcid":["PMC9070855"],"funding_grant_id":["1808085QB44","KJ2018A0416","2017YFA0207000","21804100"],"pubmed_authors":["Zheng Y","Wang S","Chen L","Liu R","Yan Y"],"additional_accession":[]},"is_claimable":false,"name":"A turn-on fluorescent probe with a dansyl fluorophore for hydrogen sulfide sensing.","description":"Hydrogen sulfide (H<sub>2</sub>S) is a biologically relevant molecule that has been newly identified as a gasotransmitter and is also a toxic gaseous pollutant. In this study, we report on a metal complex fluorescent probe to achieve the sensitive detection of H<sub>2</sub>S in a fluorescent \"turn-on\" mode. The probe bears a dansyl fluorophore with multidentate ligands for coordination with copper ions. The fluorescent \"turn-on\" mode is facilitated by the strong bonding between H<sub>2</sub>S and the Cu(ii) ions to form insoluble copper sulfide, which leads to the release of a strongly fluorescent product. The H<sub>2</sub>S limit of detection (LOD) for the proposed probe is estimated to be 11 nM in the aqueous solution, and the utilization of the probe is demonstrated for detecting H<sub>2</sub>S in actual lake and mineral water samples with good reproducibility. Furthermore, we designed detector vials and presented their successful application for the visual detection of gaseous H<sub>2</sub>S.","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 Aug","modification":"2025-04-04T09:09:43.569Z","creation":"2025-04-04T09:09:43.569Z"},"accession":"S-EPMC9070855","cross_references":{"pubmed":["35529213"],"doi":["10.1039/c9ra04790e"]}}