Highly selective recognition of Al3+ and I− ions using a bi-functional fluorescent probe
| Autor: | Carl Redshaw, Zhao Jianglin, Zongwen Jin, Lan Mu, Ning Xie, Li Zhao, Yu-Tian Wu, Gang Wei, Xi Zeng |
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| Rok vydání: | 2017 |
| Předmět: |
Detection limit
010405 organic chemistry Chemistry Organic Chemistry Analytical chemistry 010402 general chemistry Mass spectrometry Photochemistry 01 natural sciences Biochemistry Fluorescence 0104 chemical sciences chemistry.chemical_compound Förster resonance energy transfer Rhodamine B Proton NMR Titration Physical and Theoretical Chemistry Biosensor |
| Zdroj: | Org. Biomol. Chem.. 15:8627-8633 |
| ISSN: | 1477-0539 1477-0520 |
| DOI: | 10.1039/c7ob02301d |
| Popis: | A tripodal fluorescent probe L1 armed with Rhodamine B and 1-naphthaleneisothiocyanates was prepared in high yield. A study of the recognition properties revealed that probe L1 exhibited high sensitivity and selectivity towards Al3+ through a "FRET" fluorescence response and colorimetric response with low detection limits of the order of 10-8 M. Meanwhile, probe L1 also possessed high recognition ability for I- through fluorescence decay, which given there are comparatively few selective fluorescent probes for I-, is significant. Furthermore, the complexation mechanisms were fully investigated by spectral titrations, 1H NMR spectroscopic titrations and mass spectrometry. The utility of probe L1 as a biosensor in living cells (PC3 cells) towards Al3+ ions has also been demonstrated. |
| Databáze: | OpenAIRE |
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