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Highly Sensitive and Selective Chemosensor for Hg2+ Based on the Rhodamine Fluorophore
Abstract
A novel tren-based tripodal chemosensor 1 bearing a rhodamine and two tosyl groups was synthesized and its sensing behavior toward metal ions was investigated by UV/vis and fluorescence spectroscopies. Addition of a Hg2+ ion to a CH3CN solution of 1 gave a visual color change as well as significantly enhanced fluorescence, while other ions including Pb2+, Zn2+, Cu2+, Ca2+, Ba2+, Cd2+, Co2+, Mg2+, Ag+, Cs+, Li+, and Na+ induced no or much smaller color/spectral changes, which constituted a Hg2+-selective fluorescent chemosensor (OFF-ON).
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Cited by
A new trend in rhodamine-based chemosensors: application of spirolactam ring-opening to sensing ions
Kim, H. N., Lee, M. H., Kim, H. J., Kim, J. S., & Yoon, J. (2008) · Chemical Society Reviews · doi:10.1039/b802497a · Cited by 1,649
Self-citationRatiometric Detection of Cr3+and Hg2+by a Naphthalimide-Rhodamine Based Fluorescent Probe
Mahato, P., Saha, S., Suresh, E., Di Liddo, R., Parnigotto, P. P., Conconi, M. T., Kesharwani, M. K., Ganguly, B., & Das, A. (2012) · Inorganic Chemistry · doi:10.1021/ic202073q · Cited by 319
Liu, M., Wang, Z., Zong, S., Chen, H., Zhu, D., Wu, L., Hu, G., & Cui, Y. (2014) · ACS Applied Materials & Interfaces · doi:10.1021/am5006282 · Cited by 178
Metadata
- Authors
- Lee, M. H., Wu, J.-S., Lee, J. W., Jung, J. H., & Kim, J. S.
- Venue
- Organic Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-05-26
- Volume
- 9
- Issue
- 13
- Pages
- 2501-2504
- ISSN
- 1523-7052 (ISSN-L)
- 1523-7060
- OpenAlex
- W2053012775
- Cited by
- 317
- References
- 0
- FWCI
- 14.09
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lee, M. H., Wu, J.-S., Lee, J. W., Jung, J. H., & Kim, J. S. (2007). Highly Sensitive and Selective Chemosensor for Hg2+ Based on the Rhodamine Fluorophore. Organic Letters. https://doi.org/10.1021/ol0708931
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