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Aniline trimer based chemical sensor for dual responsive detection of hazardous CN¯ ions and pH changes.

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Title: Aniline trimer based chemical sensor for dual responsive detection of hazardous CN¯ ions and pH changes.
Authors: Reddy, P. Madhusudhana1, Hsieh, Shih-Rong1,2,3, Lee, Ming-Ching1,2, Chang, Chi-Jung1 changcj@fcu.edu.tw, Pundi, Arul1, Chen, Yi-Shao1, Lu, Chien-Hsing4, Yeh, Jui-Ming1,5 juiming@cycu.edu.tw
Source: Dyes & Pigments. May2019, Vol. 164, p327-334. 8p.
Subjects: Colorimetric analysis, Benzoyl compounds, Anions, Trimerization, Ions
Abstract: Abstract It is still a challenging task to make a colorimetric sensor which can respond to multiple responses at the same time. This task is even more difficult in aqueous solutions, as water molecules will significantly interfere the sensing process. Therefore, we have designed the low-cost, simple, efficient and selective dual responsive chemical sensor (DRCS) by capping the aniline trimer with benzoyl isothiocyanate. This sensor combines the advantages of naked eye detection of the CN¯ ion at different pH values. Moreover, DRCS can detect the pH of mixed solvent (DMSO/H 2 O) by the naked eye. The DRCS has shown high sensitivity to CN¯ ions. Meanwhile, it has no obvious response to other interfering anions, such as F¯, AcO¯, Br¯, HSO 4 ¯, SCN¯, PO 4 3¯, I¯, ClO 4 ¯, Cl¯, NO 3 ¯, PF 6 ¯, and BF 4 ¯. A minimum detection limit of 0.2 μM was achieved by DRCS for CN¯ ions. The feasibility of on-site detection of CN¯ was demonstrated using DRCS coated filter paper stripes. The present study reveals that the DRCS as low-cost material can be used as a potential sensor for the selective sensing of CN¯ ions and pH in the solutions. Graphical abstract Image 1 Highlights • Dual responsive chemical sensor (DRCS) was synthesized by capping aniline trimer with benzoyl isocyanate. • The sensor, DRCS was explored to detect the CN¯ anions and pH values by naked eye. • Detection of CN¯ by DRCS was also monitored by UV–vis, NMR, and colorimetric techniques. • Simple, rapid, and cost effective paper "test stripes" of DRCS can monitor the CN¯ in aqueous solution. • DRCS has an excellent sensitivity with the detection limit up to 0.2 μM. [ABSTRACT FROM AUTHOR]
Copyright of Dyes & Pigments 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.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Aniline trimer based chemical sensor for dual responsive detection of hazardous CN¯ ions and pH changes.
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  Data: <searchLink fieldCode="AR" term="%22Reddy%2C+P%2E+Madhusudhana%22">Reddy, P. Madhusudhana</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hsieh%2C+Shih-Rong%22">Hsieh, Shih-Rong</searchLink><relatesTo>1,2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Lee%2C+Ming-Ching%22">Lee, Ming-Ching</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Chang%2C+Chi-Jung%22">Chang, Chi-Jung</searchLink><relatesTo>1</relatesTo><i> changcj@fcu.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Pundi%2C+Arul%22">Pundi, Arul</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chen%2C+Yi-Shao%22">Chen, Yi-Shao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lu%2C+Chien-Hsing%22">Lu, Chien-Hsing</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Yeh%2C+Jui-Ming%22">Yeh, Jui-Ming</searchLink><relatesTo>1,5</relatesTo><i> juiming@cycu.edu.tw</i>
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  Data: <searchLink fieldCode="JN" term="%22Dyes+%26+Pigments%22">Dyes & Pigments</searchLink>. May2019, Vol. 164, p327-334. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Colorimetric+analysis%22">Colorimetric analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Benzoyl+compounds%22">Benzoyl compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Anions%22">Anions</searchLink><br /><searchLink fieldCode="DE" term="%22Trimerization%22">Trimerization</searchLink><br /><searchLink fieldCode="DE" term="%22Ions%22">Ions</searchLink>
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  Label: Abstract
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  Data: Abstract It is still a challenging task to make a colorimetric sensor which can respond to multiple responses at the same time. This task is even more difficult in aqueous solutions, as water molecules will significantly interfere the sensing process. Therefore, we have designed the low-cost, simple, efficient and selective dual responsive chemical sensor (DRCS) by capping the aniline trimer with benzoyl isothiocyanate. This sensor combines the advantages of naked eye detection of the CN¯ ion at different pH values. Moreover, DRCS can detect the pH of mixed solvent (DMSO/H 2 O) by the naked eye. The DRCS has shown high sensitivity to CN¯ ions. Meanwhile, it has no obvious response to other interfering anions, such as F¯, AcO¯, Br¯, HSO 4 ¯, SCN¯, PO 4 3¯, I¯, ClO 4 ¯, Cl¯, NO 3 ¯, PF 6 ¯, and BF 4 ¯. A minimum detection limit of 0.2 μM was achieved by DRCS for CN¯ ions. The feasibility of on-site detection of CN¯ was demonstrated using DRCS coated filter paper stripes. The present study reveals that the DRCS as low-cost material can be used as a potential sensor for the selective sensing of CN¯ ions and pH in the solutions. Graphical abstract Image 1 Highlights • Dual responsive chemical sensor (DRCS) was synthesized by capping aniline trimer with benzoyl isocyanate. • The sensor, DRCS was explored to detect the CN¯ anions and pH values by naked eye. • Detection of CN¯ by DRCS was also monitored by UV–vis, NMR, and colorimetric techniques. • Simple, rapid, and cost effective paper "test stripes" of DRCS can monitor the CN¯ in aqueous solution. • DRCS has an excellent sensitivity with the detection limit up to 0.2 μM. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Dyes & Pigments 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.dyepig.2019.01.042
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 8
        StartPage: 327
    Subjects:
      – SubjectFull: Colorimetric analysis
        Type: general
      – SubjectFull: Benzoyl compounds
        Type: general
      – SubjectFull: Anions
        Type: general
      – SubjectFull: Trimerization
        Type: general
      – SubjectFull: Ions
        Type: general
    Titles:
      – TitleFull: Aniline trimer based chemical sensor for dual responsive detection of hazardous CN¯ ions and pH changes.
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            NameFull: Reddy, P. Madhusudhana
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            NameFull: Lee, Ming-Ching
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            – D: 01
              M: 05
              Text: May2019
              Type: published
              Y: 2019
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              Value: 164
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