A new fluorosensor based on bis-1,8-naphthalimide for metal cations and protons

The paper reports on the synthesis and spectral characteristics of a new fluorescent bis-1,8-disubstituted naphthalimide linked by a di-ethylenetriamine bridge (NI2TEA). The ability of the new compound to detect cations has been evaluated by monitoring spectrophotometrically the changes in the fluor...

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Bibliographic Details
Published inJournal of photochemistry and photobiology. A, Chemistry. Vol. 189; no. 2; pp. 192 - 197
Main Authors Staneva, Desislava, Grabchev, Ivo, Soumillion, Jean-Philippe, Bojinov, Vladimir
Format Journal Article
LanguageEnglish
Published Elsevier B.V 25.06.2007
Subjects
Fluorescence
Metal cations
Naphthalimides
PET
Photophysics
Sensors
Naphthalimides
Fluorescence
Metal cations
Sensors
Photophysics
PET
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Summary:The paper reports on the synthesis and spectral characteristics of a new fluorescent bis-1,8-disubstituted naphthalimide linked by a di-ethylenetriamine bridge (NI2TEA). The ability of the new compound to detect cations has been evaluated by monitoring spectrophotometrically the changes in the fluoresence intensity performed on its N, N-dimethylformamide (DMF) solution. The behaviour of the new compound has been tested in the presence of different metal cations: Fe 3+, Cr 3+, Mn 2+, Sr 2+, Ni 2+, Zn 2+, Cu 2+ and Co 2+. The results show clearly that only Fe 3+ and Cr 3+ cations are effectively detected. Besides, in N, N-di-methylformamide solution the NI2TEA can be used as a naked eye sensor for hydroxyl anions.
ISSN:1010-6030
1873-2666
DOI:10.1016/j.jphotochem.2007.01.028