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A Novel Fluorescent Chemosensor Assembled with 2,6-Bis(2-Benzimidazolyl)Pyridine-Functionalized Nanoporous Silica-Type SBA-15 for Recognition of Hg 2+ Ion in Aqueous Media

A novel fluorescent sensor for the recognition of Hg 2+ in aqueous media was developed by assembly of 2,6-bis(2-benzimidazolyl) pyridine to SBA-15 nanoporous silica. The synthesized materials were characterized by techniques such as XRD, FT-IR, N 2 adsorption–desorption, and TGA. Investigation of fl... Full description

Journal Title: International Journal of Environmental Research 2018, Vol.12(1), pp.109-115
Main Author: Badiei, Alireza
Other Authors: Razavi, Bita , Goldooz, Hassan , Mohammadi Ziarani, Ghodsi , Faridbod, Farnoush , Ganjali, Mohammad
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1735-6865 ; E-ISSN: 2008-2304 ; DOI: 10.1007/s41742-018-0075-1
Link: http://dx.doi.org/10.1007/s41742-018-0075-1
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recordid: springer_jour10.1007/s41742-018-0075-1
title: A Novel Fluorescent Chemosensor Assembled with 2,6-Bis(2-Benzimidazolyl)Pyridine-Functionalized Nanoporous Silica-Type SBA-15 for Recognition of Hg 2+ Ion in Aqueous Media
format: Article
creator:
  • Badiei, Alireza
  • Razavi, Bita
  • Goldooz, Hassan
  • Mohammadi Ziarani, Ghodsi
  • Faridbod, Farnoush
  • Ganjali, Mohammad
subjects:
  • SBA-15
  • 2,6-Bis(2-benzimidazolyl)pyridine
  • Fluorescent sensor
  • Hg ion
ispartof: International Journal of Environmental Research, 2018, Vol.12(1), pp.109-115
description: A novel fluorescent sensor for the recognition of Hg 2+ in aqueous media was developed by assembly of 2,6-bis(2-benzimidazolyl) pyridine to SBA-15 nanoporous silica. The synthesized materials were characterized by techniques such as XRD, FT-IR, N 2 adsorption–desorption, and TGA. Investigation of fluorescence properties of prepared material revealed emission spectra having maxima at 396 nm following excitation at 353 nm. It was found that the fluorescence intensity of the SBA-15 functionalized material remarkably quenched in the presence of Hg 2+ ions in the pH range of 6–8, showing high selectively toward mercury ion among the more common tested cations. The fluorescence titration studies confirmed the linear relation between the concentration of Hg 2+ ion and the fluorescence intensity quenching, and the lowest detection limit was calculated as 2.6 × 10 −6 M.
language: eng
source:
identifier: ISSN: 1735-6865 ; E-ISSN: 2008-2304 ; DOI: 10.1007/s41742-018-0075-1
fulltext: fulltext
issn:
  • 2008-2304
  • 20082304
  • 1735-6865
  • 17356865
url: Link


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titleA Novel Fluorescent Chemosensor Assembled with 2,6-Bis(2-Benzimidazolyl)Pyridine-Functionalized Nanoporous Silica-Type SBA-15 for Recognition of Hg 2+ Ion in Aqueous Media
creatorBadiei, Alireza ; Razavi, Bita ; Goldooz, Hassan ; Mohammadi Ziarani, Ghodsi ; Faridbod, Farnoush ; Ganjali, Mohammad
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subjectSBA-15 ; 2,6-Bis(2-benzimidazolyl)pyridine ; Fluorescent sensor ; Hg ion
descriptionA novel fluorescent sensor for the recognition of Hg 2+ in aqueous media was developed by assembly of 2,6-bis(2-benzimidazolyl) pyridine to SBA-15 nanoporous silica. The synthesized materials were characterized by techniques such as XRD, FT-IR, N 2 adsorption–desorption, and TGA. Investigation of fluorescence properties of prepared material revealed emission spectra having maxima at 396 nm following excitation at 353 nm. It was found that the fluorescence intensity of the SBA-15 functionalized material remarkably quenched in the presence of Hg 2+ ions in the pH range of 6–8, showing high selectively toward mercury ion among the more common tested cations. The fluorescence titration studies confirmed the linear relation between the concentration of Hg 2+ ion and the fluorescence intensity quenching, and the lowest detection limit was calculated as 2.6 × 10 −6 M.
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titleA Novel Fluorescent Chemosensor Assembled with 2,6-Bis(2-Benzimidazolyl)Pyridine-Functionalized Nanoporous Silica-Type SBA-15 for Recognition of Hg 2+ Ion in Aqueous Media
descriptionA novel fluorescent sensor for the recognition of Hg 2+ in aqueous media was developed by assembly of 2,6-bis(2-benzimidazolyl) pyridine to SBA-15 nanoporous silica. The synthesized materials were characterized by techniques such as XRD, FT-IR, N 2 adsorption–desorption, and TGA. Investigation of fluorescence properties of prepared material revealed emission spectra having maxima at 396 nm following excitation at 353 nm. It was found that the fluorescence intensity of the SBA-15 functionalized material remarkably quenched in the presence of Hg 2+ ions in the pH range of 6–8, showing high selectively toward mercury ion among the more common tested cations. The fluorescence titration studies confirmed the linear relation between the concentration of Hg 2+ ion and the fluorescence intensity quenching, and the lowest detection limit was calculated as 2.6 × 10 −6 M.
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abstractA novel fluorescent sensor for the recognition of Hg 2+ in aqueous media was developed by assembly of 2,6-bis(2-benzimidazolyl) pyridine to SBA-15 nanoporous silica. The synthesized materials were characterized by techniques such as XRD, FT-IR, N 2 adsorption–desorption, and TGA. Investigation of fluorescence properties of prepared material revealed emission spectra having maxima at 396 nm following excitation at 353 nm. It was found that the fluorescence intensity of the SBA-15 functionalized material remarkably quenched in the presence of Hg 2+ ions in the pH range of 6–8, showing high selectively toward mercury ion among the more common tested cations. The fluorescence titration studies confirmed the linear relation between the concentration of Hg 2+ ion and the fluorescence intensity quenching, and the lowest detection limit was calculated as 2.6 × 10 −6 M.
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pubSpringer International Publishing
doi10.1007/s41742-018-0075-1
pages109-115
date2018-03