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A simple pyridine-based colorimetric chemosensor for highly sensitive and selective mercury(II) detection with the naked eye

  • Jian-Ting Pan , Fei Zhu , Lin Kong , Long-Mei Yang , Xu-Tang Tao , Yu-Peng Tian , Hong-Bo Lu and Jia-Xiang Yang EMAIL logo
Published/Copyright: March 3, 2015
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Chemical Papers
From the journal Chemical Papers Volume 69 Issue 4

Abstract

Two easily-prepared pyridine-based derivatives of (Z)-2-(4-amino-phenyl)-3-(pyridine-4-yl)acrylonitrile (I) and (Z)-2-phenyl-3-(pyridin-4-yl)acrylonitrile (II ) were designed, synthesised and characterised. Due to the formation of a complex with Hg2+, hence leading to an enhanced ICT effect, I exhibits a visible colour change from light yellow to orange, rendering it suitable for use as a naked-eye sensor for rapid detection of Hg2+ in an aqueous ethanol solution. When mixed with Hg2+, I interacts with Hg2+ in a 2 : 1 (Y1-Hg2+) stoichiometry via a coordination bond with an association constant of 7.7 × 108 M-2 (R2 = 0.96). The present probe I exhibits excellent reproducibility, reversibility, sensitivity and selectivity with the presence of low concentration of Hg2+ (1.74 × 10-10 M).

Keywords: mercury ion sensor; pyridine; colorimetric; specific selectivity; easy-to-prepare; charge transfer

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Received: 2014-6-4
Revised: 2014-8-17
Accepted: 2014-9-17
Published Online: 2015-3-3
Published in Print: 2015-4-1

© 2015 Institute of Chemistry, Slovak Academy of Sciences

Articles in the same Issue

  1. Liquid–liquid extraction and cloud point extraction for spectrophotometric determination of vanadium using 4-(2-pyridylazo)resorcinol
  2. Sensitive and selective determination of peptides, PG and PGP, using a novel fluorogenic reagent 4-chlorobenzene-1,2-diol
  3. Spectroscopy studies of sandwich-type complex of silver(I) co-ordinated to nuclear fast red and adenine and its analytical applications
  4. Differentiation of selected blue writing inks by surface-enhanced Raman spectroscopy
  5. A simple pyridine-based colorimetric chemosensor for highly sensitive and selective mercury(II) detection with the naked eye
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  7. Microfiltration of post-fermentation broth with backflushing membrane cleaning
  8. Mass transfer examination in electrodialysis using limiting current measurements
  9. Determination of diffusivity from mass transfer measurements in a batch dialyzer: numerical analysis of pseudo-steady state approximation
  10. Structural and thermal characterization of copper(II) complexes with phenyl-2-pyridylketoxime and deposition of thin films by spin coating
  11. Oxidation of 4-nitro-o-xylene with nitric acid using N-hydroxyphthalimide under phase transfer conditions
  12. Synthesis of pyranopyrazoles, benzopyrans, amino-2-chromenes and dihydropyrano[c]chromenes using ionic liquid with dual Brønsted acidic and Lewis basic sites
  13. Eco-friendly conjugate hydrocyanation of α-cyanoacrylates using potassium hexacyanoferrate(II) as cyanating reagent
  14. Morphological orders of spherulitic crystal textures in Belousov–Zhabotinsky-type oscillatory reaction system
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https://doi.org/10.1515/chempap-2015-0061
Keywords for this article
mercury ion sensor; pyridine; colorimetric; specific selectivity; easy-to-prepare; charge transfer

Articles in the same Issue

  1. Liquid–liquid extraction and cloud point extraction for spectrophotometric determination of vanadium using 4-(2-pyridylazo)resorcinol
  2. Sensitive and selective determination of peptides, PG and PGP, using a novel fluorogenic reagent 4-chlorobenzene-1,2-diol
  3. Spectroscopy studies of sandwich-type complex of silver(I) co-ordinated to nuclear fast red and adenine and its analytical applications
  4. Differentiation of selected blue writing inks by surface-enhanced Raman spectroscopy
  5. A simple pyridine-based colorimetric chemosensor for highly sensitive and selective mercury(II) detection with the naked eye
  6. Phospho sulfonic acid as efficient heterogeneous Brønsted acidic catalyst for one-pot synthesis of 14H-dibenzo[a,j ]xanthenes and 1,8-dioxo-octahydro-xanthenes
  7. Microfiltration of post-fermentation broth with backflushing membrane cleaning
  8. Mass transfer examination in electrodialysis using limiting current measurements
  9. Determination of diffusivity from mass transfer measurements in a batch dialyzer: numerical analysis of pseudo-steady state approximation
  10. Structural and thermal characterization of copper(II) complexes with phenyl-2-pyridylketoxime and deposition of thin films by spin coating
  11. Oxidation of 4-nitro-o-xylene with nitric acid using N-hydroxyphthalimide under phase transfer conditions
  12. Synthesis of pyranopyrazoles, benzopyrans, amino-2-chromenes and dihydropyrano[c]chromenes using ionic liquid with dual Brønsted acidic and Lewis basic sites
  13. Eco-friendly conjugate hydrocyanation of α-cyanoacrylates using potassium hexacyanoferrate(II) as cyanating reagent
  14. Morphological orders of spherulitic crystal textures in Belousov–Zhabotinsky-type oscillatory reaction system
  15. Zwitterionic structures of selenocysteine-containing dipeptides and their interactions with Cu(II) ions
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