A New Fluorescent Chemosensor for Cobalt(II) Ions in Living Cells Based on 1,8-Naphthalimide
Abstract
:1. Introduction
2. Results and Discussion
2.1. UV-Vis and Fluorescence Response of the L Probe Toward Various Metal Ions
2.2. Fluorescence and UV-Vis Titration Experiments
2.3. Anti-Interference Test from Other Metal Ions
2.4. Effect of pH
2.5. Job’s Plot and Reversibility
2.6. Sensing Mechanism
2.7. Cell Imaging
3. Experimental Section
3.1. Materials and Instrumentation
3.2. Synthesis of Compound L
3.3. Testing and Calculating Methods
3.4. Theoretical Calculations Methods
3.5. Cell Incubation and Cell Imaging
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Sample Availability: Samples of the compounds are not available from the authors. |
Structure of Probes | Working Media | LOD (µM) | pH | Ref. |
---|---|---|---|---|
CH3CN | 7.09 | 2–11 | [16] | |
Bis-tris buffer | 0.34 | No statement | [17] | |
CH3CN | 3.92 | No statement | [18] | |
H2O | 0.31 | 5.5–10.5 | [19] | |
H2O | 0.99 | No statement | [20] | |
CH3CN | 23.4 | No statement | [21] | |
Bis-tris buffer | 1.80 | 6–10 | [22] | |
Bis-tris buffer | 0.11 | 7 | [23] | |
Bis-tris buffer | 0.65 | 7–11 | [24] | |
THF/Tris-HCl buffer-solution (4/6, v/v) | 0.31 | 7.5 | [25] | |
CH3CN/HEPES (4/1, v/v) | 0.26 | 4–12 | Present work |
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Share and Cite
Liu, Y.-L.; Yang, L.; Li, L.; Guo, Y.-Q.; Pang, X.-X.; Li, P.; Ye, F.; Fu, Y. A New Fluorescent Chemosensor for Cobalt(II) Ions in Living Cells Based on 1,8-Naphthalimide. Molecules 2019, 24, 3093. https://doi.org/10.3390/molecules24173093
Liu Y-L, Yang L, Li L, Guo Y-Q, Pang X-X, Li P, Ye F, Fu Y. A New Fluorescent Chemosensor for Cobalt(II) Ions in Living Cells Based on 1,8-Naphthalimide. Molecules. 2019; 24(17):3093. https://doi.org/10.3390/molecules24173093
Chicago/Turabian StyleLiu, Yu-Long, Liu Yang, Lu Li, You-Quan Guo, Xiao-Xiao Pang, Ping Li, Fei Ye, and Ying Fu. 2019. "A New Fluorescent Chemosensor for Cobalt(II) Ions in Living Cells Based on 1,8-Naphthalimide" Molecules 24, no. 17: 3093. https://doi.org/10.3390/molecules24173093