ArticleJournal of fluorescence2012
Highly selective and sensitive chemosensor for Hg2+ based on the naphthalimide fluorophore.
Article in Journal of fluorescence, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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
3 citing papers in PubMed.
- A Turn-On Fluorescence-Based Fibre Optic Sensor for the Detection of Mercury.Sensors (Basel, Switzerland) · 2019Article
- Computational design of zinc-ion-responsive two-photon fluorescent probes with conjugated multi-structures.Journal of molecular modeling · 2016Article
- Spectroscopic and quantum mechanical approach of solvatochromic immobilization: modulation of electronic structure and excited-state properties of 1,8-naphthalimide derivative.Journal of fluorescence · 2015Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A new OFF-ON fluorescent chemosensor (H1) composed of a naphthalimide fluorophore and a 6-[(quinolin-8-yloxy)methyl]pyridin-2-ylmethanamine receptor has been synthesized and characterized by infra-red, (1)H NMR, (13)C NMR and mass spectrometry. The developed chemosensor H1 exhibited good turn-on and reversible responses toward Hg(2+), with excellent selectivity and sensitivity, in a neutral buffered aqueous solution. Other common metal ions did not interfere with the fluorescence-enhancement response to Hg(2+). Furthermore, the chemosensor H1, at a concentration of 10 μM, showed a rapid and linear response toward Hg(2+) in the concentration range 0-10 μM. On addition of 10 μM Hg(2+), the fluorescence intensity of H1 was enhanced about 4-fold. The detection limit was calculated to be 63 nM. The association constant was 1.11 × 10(5) M(-1). The fluorescence quantum yield and lifetime of H1/Hg(2+) were 0.42 and 3.83 ns, respectively.
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Registered trials
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