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Dual emission and pH based naphthalimide derivative fluorescent sensor for the detection of Bi3+.

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Title: Dual emission and pH based naphthalimide derivative fluorescent sensor for the detection of Bi3+.
Authors: Ramasamy, Kavitha1, Thambusamy, Stalin2 drstalin76@gmail.com
Source: Sensors & Actuators B: Chemical. Aug2017, Vol. 247, p632-640. 9p.
Subjects: Naphthalimides, Fluorescent probes, Metal ions, Bismuth, Chemoreceptors, Stoichiometry, Cyclodextrins
Abstract: This paper describes a novel dual emission N-hydroxy 1,8-naphthalimide (NHN) sensor for selective determination of Bi 3+ ion and pH. This chemosensor displayed a red shift in absorption spectra and fluorescence enhancement towards highly selective Bi 3+ ion in neutral aqueous solution. The binding stoichiometry of NHN with Bi 3+ have been determined to be 1:1 by the job’s plot and the binding constant is calculated by Benesi-Hildebrand relation. The effect of β-cyclodextrin (β-CD) on NHN is also studied at pH ∼ 7. The binding mode of NHN with Bi 3+ through carbonyl and the hydroxyl group of NHN is confirmed by FT-IR spectra. The influence of hydroxyl group in naphthalimide as a function of pH and metal ions was studied by UV–vis and fluorescence spectroscopy. Fluorescence emission of naphthalimide varied in a narrow range of pH (5–9) and was only slightly influenced by the addition of metal ions in aqueous solution. [ABSTRACT FROM AUTHOR]
Copyright of Sensors & Actuators B: Chemical is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 122699357
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  Data: Dual emission and pH based naphthalimide derivative fluorescent sensor for the detection of Bi3+.
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  Data: <searchLink fieldCode="AR" term="%22Ramasamy%2C+Kavitha%22">Ramasamy, Kavitha</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Thambusamy%2C+Stalin%22">Thambusamy, Stalin</searchLink><relatesTo>2</relatesTo><i> drstalin76@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Sensors+%26+Actuators+B%3A+Chemical%22">Sensors & Actuators B: Chemical</searchLink>. Aug2017, Vol. 247, p632-640. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Naphthalimides%22">Naphthalimides</searchLink><br /><searchLink fieldCode="DE" term="%22Fluorescent+probes%22">Fluorescent probes</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+ions%22">Metal ions</searchLink><br /><searchLink fieldCode="DE" term="%22Bismuth%22">Bismuth</searchLink><br /><searchLink fieldCode="DE" term="%22Chemoreceptors%22">Chemoreceptors</searchLink><br /><searchLink fieldCode="DE" term="%22Stoichiometry%22">Stoichiometry</searchLink><br /><searchLink fieldCode="DE" term="%22Cyclodextrins%22">Cyclodextrins</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper describes a novel dual emission N-hydroxy 1,8-naphthalimide (NHN) sensor for selective determination of Bi 3+ ion and pH. This chemosensor displayed a red shift in absorption spectra and fluorescence enhancement towards highly selective Bi 3+ ion in neutral aqueous solution. The binding stoichiometry of NHN with Bi 3+ have been determined to be 1:1 by the job’s plot and the binding constant is calculated by Benesi-Hildebrand relation. The effect of β-cyclodextrin (β-CD) on NHN is also studied at pH ∼ 7. The binding mode of NHN with Bi 3+ through carbonyl and the hydroxyl group of NHN is confirmed by FT-IR spectra. The influence of hydroxyl group in naphthalimide as a function of pH and metal ions was studied by UV–vis and fluorescence spectroscopy. Fluorescence emission of naphthalimide varied in a narrow range of pH (5–9) and was only slightly influenced by the addition of metal ions in aqueous solution. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Sensors & Actuators B: Chemical is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.snb.2017.03.043
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 632
    Subjects:
      – SubjectFull: Naphthalimides
        Type: general
      – SubjectFull: Fluorescent probes
        Type: general
      – SubjectFull: Metal ions
        Type: general
      – SubjectFull: Bismuth
        Type: general
      – SubjectFull: Chemoreceptors
        Type: general
      – SubjectFull: Stoichiometry
        Type: general
      – SubjectFull: Cyclodextrins
        Type: general
    Titles:
      – TitleFull: Dual emission and pH based naphthalimide derivative fluorescent sensor for the detection of Bi3+.
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            NameFull: Ramasamy, Kavitha
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            NameFull: Thambusamy, Stalin
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            – D: 01
              M: 08
              Text: Aug2017
              Type: published
              Y: 2017
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              Value: 247
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            – TitleFull: Sensors & Actuators B: Chemical
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