ArticleJournal of fluorescence2009
Rational design of novel benzimidazole-based sensor molecules that display positive and negative fluorescence responses to anions.
Article in Journal of fluorescence, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 26 citations in OpenAlex.
- Noval Anthraquinone Based Receptor for the Selective Detection of Acetate and Hypochlorite Ion With Relay Recognition With the applications of Real Sample Analysis and Bio-Imaging.Journal of fluorescence · 2025Article
- Fluorescent calix[4]triazole for selective fluoride anion sensing.RSC advances · 2025Article
- Novel & Smart Sensing of Acetate and Hypochlorite Ions With Relay Recognition of CrJournal of fluorescence · 2025Article
- An anthracene-based tripodal chemosensor for anion sensing.International journal of environmental research and public health · 2010Article
- Design of two pyrazole-based sensors with similar configuration and different fluorescent response to anions.Journal of fluorescence · 2010Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Two novel and neutral benzimidazole derivatives-based anion receptors bearing a 1,10-phenanthroline fluorophore, N,N'-di-(2'-benzimidazolyl-methylene)-1, 10-phenanthroline-2,9-diamide (1) and N,N'-di-[2'-(benzimidazolyl-2'-) ethyl-]-1,10-phenanthroline-2,9-diamide (2), which exhibited turn-on and turn-off fluorescence responses to various anions, were rationally designed and synthesized and their fluorescent response toward anions was investigated in DMSO solution. In the process of anions binding, there were two different fluorescent responses in presence of anions: a quenching of the fluorescence emission for F- and AcO- and an enhancement of the fluorescence emission for Cl-, Br- and I-. Two different luminescent mechanisms of the receptors 1 and 2 resulting from various anions were exploited to rationalize quenching and enhancement of the fluorescence emission: a photo-induced electronic transfer mechanism (PET) and the increase of the rigidity of the host molecules, respectively. In particular, chloride could be recognized selectively from the anions tested according to changes of fluorescence spectrum.
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Registered trials
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