Rhodamine-based ratiometric fluorescence sensing for the detection of mercury(II) in aqueous solution
β Scribed by Haizhu Liu; Ping Yu; Dan Du; Chunyan He; Bin Qiu; Xi Chen; Guonan Chen
- Book ID
- 116904183
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 634 KB
- Volume
- 81
- Category
- Article
- ISSN
- 0039-9140
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## Abstract A highly selective fluorescence sensor was developed for Hg(II) ion detection in aqueous solutions based on the selective binding of Hg(II) ions with a pair of thymineβthymine mismatch. The sensor consists of two DNA probes functionalized with a fluorophore (fluorescein, F) and a quench
Schiff base sensor 1, containing naphthalene and naphthalimide fluorophores with separate and distinct emission wavelengths, showed good selectivity for Cu(II) over other tested physiological and environmentally important cations through changes in its fluorescence spectra in THF/H 2 O (9:1) HEPES b