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Fluorescence Imaging of Intracellular Cadmium Using a Dual-Excitation Ratiometric Chemosensor
Abstract
We described here a coumarin-based dual-excitation ratiometric probe for cadmium, CadMQ. This fluorescence sensor has high quantum yields of 0.59 and 0.70 in the metal-free and Cd2+-bound forms, respectively, and has a dissociation constant of 0.16 nM for Cd2+. CadMQ is cell permeable and locates within the acidic compartments of the cells. We further show that CadMQ is a useful tool to ratiometrically probe the change in the intracellular Cd2+ levels with the use of two excited wavelengths.
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Citations
Cited by
Small molecule-based ratiometric fluorescence probes for cations, anions, and biomolecules
Lee, M. H., Kim, J. S., & Sessler, J. L. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00280f · Cited by 1,642
Zhao, Y., Zhang, X.-B., Han, Z.-X., Qiao, L., Li, C.-Y., Jian, L.-X., Shen, G.-L., & Yu, R.-Q. (2009) · Analytical Chemistry · doi:10.1021/ac901127n · Cited by 455
Fluorescent sensor based models for the detection of environmentally-related toxic heavy metals
Rasheed, T., Bilal, M., Nabeel, F., Iqbal, H. M. N., Li, C., & Zhou, Y. (2018) · Science of The Total Environment · doi:10.1016/j.scitotenv.2017.09.126 · Cited by 396
Photonic Nanosensor for Colorimetric Detection of Metal Ions
Yetisen, A. K., Montelongo, Y., Qasim, M. M., Butt, H., Wilkinson, T. D., Monteiro, M. J., & Yun, S. H. (2015) · Analytical Chemistry · doi:10.1021/ac504274q · Cited by 94
Metadata
- Authors
- Taki, M., Desaki, M., Ojida, A., Iyoshi, S., Hirayama, T., Hamachi, I., & Yamamoto, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-08-30
- Volume
- 130
- Issue
- 38
- Pages
- 12564-12565
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2047970822
- Cited by
- 203
- References
- 0
- FWCI
- 6.66
- Type
- journal article
- Language
- en
- Open access
- closed
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- Taki, M., Desaki, M., Ojida, A., Iyoshi, S., Hirayama, T., Hamachi, I., & Yamamoto, Y. (2008). Fluorescence Imaging of Intracellular Cadmium Using a Dual-Excitation Ratiometric Chemosensor. Journal of the American Chemical Society. https://doi.org/10.1021/ja803429z
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
