Thiocarbazone‐appended coumarin : An easily accessible ratiometric fluorescent chemosensor for multianalyte (Zn2+ and Cu2+) systems
Abstract A simple thiocarbazone‐appended coumarin derivative1 with high selectivity as a ratiometric fluorescence sensor towards Cu2+ and Zn2+ in a semi‐aqueous solution was synthesised and characterised. Upon the addition of Cu2+ and Zn2+, the emission of1 solution undergoes a blue and red shift to 480 and 545 nm according to the intense blue and yellow colour under a 365‐nm ultraviolet lamp, respectively. Binding was confirmed by ultraviolet‐visible absorption analysis, fluorescence measurement, mass spectrometry, proton nuclear magnetic resonance, Fourier Transform‐infrared spectroscopy and density functional theory calculation. The results show that1 coordinated with Cu2+ and Zn2+ in different modes, resulting in different ratiometric fluorescence responses. The detection limits of the sensor1 for Cu2+ and Zn2+ were 100.8 and 11.5 nM, respectively. The association constants ( K a) of Cu2+ and Zn2+ with1 were determined to be 5.59 × 104 and 5.08 × 104 M−1, respectively. Fluorescent microscopy experiments demonstrated that probe1 has the potential to be used to monitor Zn2+ and Cu2+ in living cells..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:138 |
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| Enthalten in: |
Coloration Technology - 138(2022), 2, Seite 157-167 |
| Beteiligte Personen: |
Lv, Mu‐Xuan [VerfasserIn] |
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| BKL: |
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| Anmerkungen: |
Coloration Technology © 2022 Society of Dyers and Colourists |
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| Umfang: |
11 |
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| doi: |
10.1111/cote.12579 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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WLY003849716 |
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| 520 | |a Abstract A simple thiocarbazone‐appended coumarin derivative1 with high selectivity as a ratiometric fluorescence sensor towards Cu2+ and Zn2+ in a semi‐aqueous solution was synthesised and characterised. Upon the addition of Cu2+ and Zn2+, the emission of1 solution undergoes a blue and red shift to 480 and 545 nm according to the intense blue and yellow colour under a 365‐nm ultraviolet lamp, respectively. Binding was confirmed by ultraviolet‐visible absorption analysis, fluorescence measurement, mass spectrometry, proton nuclear magnetic resonance, Fourier Transform‐infrared spectroscopy and density functional theory calculation. The results show that1 coordinated with Cu2+ and Zn2+ in different modes, resulting in different ratiometric fluorescence responses. The detection limits of the sensor1 for Cu2+ and Zn2+ were 100.8 and 11.5 nM, respectively. The association constants ( K a) of Cu2+ and Zn2+ with1 were determined to be 5.59 × 104 and 5.08 × 104 M−1, respectively. Fluorescent microscopy experiments demonstrated that probe1 has the potential to be used to monitor Zn2+ and Cu2+ in living cells. | ||
| 700 | 1 | |a Bian, Lin‐Yan |4 aut | |
| 700 | 1 | |a Wu, Wei‐Na |4 aut | |
| 700 | 1 | |a Xu, Zhi‐Hong |4 aut | |
| 700 | 1 | |a Wang, Yuan |4 aut | |
| 700 | 1 | |a Zhao, Xiao‐Lei |4 aut | |
| 700 | 1 | |a Xu, Zhou‐Qing |4 aut | |
| 700 | 1 | |a Fan, Yun‐Chang |4 aut | |
| 700 | 1 | |a Yan, Ling‐Ling |4 aut | |
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