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Feng T, Yang J, Tu S, Yang T, Wu T, Zhu W, Le Y, Liu L. Design, Synthesis, and Cellular Imaging Application of a Fluorescent Probe Based on Fluoride Ion-Induced Cyclization of Phenothiazine Derivatives. J Fluoresc 2023:10.1007/s10895-023-03526-3. [PMID: 38047988 DOI: 10.1007/s10895-023-03526-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 11/24/2023] [Indexed: 12/05/2023]
Abstract
Fluoride is both necessary and potentially harmful in excessive amounts, making its detection crucial. Fluorescent probes provide a sensitive and selective means for this purpose. In this study, we developed and synthesized a fluorescent probe for LDT using phenothiazine derivatives and aryl vinyl nitrile. Initially non-fluorescent, the probe undergoes a Si-O bond breakage in the presence of fluoride ions, resulting in the formation of a larger conjugated system and subsequent fluorescence emission. The probe exhibits superior selectivity and sensitivity towards fluoride ions, with a detection limit of 0.35 µM. Moreover, cellular imaging experiments demonstrated the probe's effectiveness in recognizing fluoride ions within HepG2 cells.
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Affiliation(s)
- Tingting Feng
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
| | - Jiaxue Yang
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
| | - San Tu
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
| | - Ting Yang
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
| | - Ting Wu
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
| | - Wenqiang Zhu
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
| | - Yi Le
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
- Guizhou Engineering Laboratory for Synthetic Drugs, Guiyang, 550025, China
| | - Li Liu
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China.
- Guizhou Engineering Laboratory for Synthetic Drugs, Guiyang, 550025, China.
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Affiliation(s)
- Dietmar Knopp
- Institute of Hydrochemistry, Technical University Munich, Marchioninistrasse 17, 81377 Munich, Germany.
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