The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Selective Hg(II) Detection in Aqueous Solution with Thiol Derivatized Fluoresceins
Open accessAbstract
The syntheses and photophysical properties of mercury sensors 2 and 3 (MS2 and MS3), two asymmetrically derivatized fluorescein-based dyes designed for Hg(II) detection, are described. These sensors each contain a single pyridyl-amine-thiol metal-binding moiety, form 1:1 complexes with Hg(II), and exhibit selectivity for Hg(II) over other Group 12 metals, alkali and alkaline earth metals, and most divalent first-row transition metals. Both dyes display superior brightness (Phi x epsilon) and fluorescence enhancement following Hg(II) coordination in aqueous solution. At neutral pH, the fluorescence turn-on derives from greater brightness due to increased molar absorptivity. At higher pH, photoinduced electron transfer quenching of the free dye is enhanced, and the Hg(II)-induced turn-on also benefits from alleviation of this pathway. MS2 can detect ppb levels of Hg(II) in aqueous solution, demonstrating its ability to identify environmentally relevant concentrations of Hg(II).
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Citations
Cites
The toxicology of mercury—current exposures and clinical manifestations
Clarkson, T. W., Magos, L., & Myers, G. J. (2003) · New England Journal of Medicine · doi:10.1056/nejmra022471 · Cited by 1,766
Cited by
Tools and Tactics for the Optical Detection of Mercuric Ion
Nolan, E. M., & Lippard, S. J. (2008) · Chemical Reviews · doi:10.1021/cr068000q · Cited by 2,345
Self-citationSynthetic fluorescent sensors for studying the cell biology of metals
Domaille, D. W., Que, E. L., & Chang, C. J. (2008) · Nature Chemical Biology · doi:10.1038/nchembio.69 · Cited by 1,081
Turn-On and Ratiometric Mercury Sensing in Water with a Red-Emitting Probe
Nolan, E. M., & Lippard, S. J. (2007) · Journal of the American Chemical Society · doi:10.1021/ja068879r · Cited by 428
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Metadata
- Authors
- Nolan, E. M., Racine, M. E., & Lippard, S. J.
- Venue
- Inorganic Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-02-11
- Volume
- 45
- Issue
- 6
- Pages
- 2742-2749
- ISSN
- 0020-1669 (ISSN-L)
- 1520-510X
- OpenAlex
- W2074980561
- Cited by
- 167
- References
- 1
- FWCI
- 9.62
- Type
- journal article
- Language
- en
- Open access
- green
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