Naphthothiazole-based highly selective and sensitive fluorescent and colorimetric chemosensor for detection of pollutant metal ions

A new fluorescent and colorimetric chemosensor based on naphthothiazole S1 was synthesized and its applications as chemosensor for the selective sensing of pollutant metal ions in water resources and/or biological systems were investigated. Sensor S1 showed great selectivity for Zn 2+ and Sn 2+ over...

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Veröffentlicht in:RSC advances 2016-01, Vol.6 (41), p.3494-34945
Hauptverfasser: Jonaghani, Mohammad Zareh, Zali-Boeini, Hassan, Taheri, Reza, Rudbari, Hadi Amiri, Askari, Banafshe
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Sprache:eng
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Zusammenfassung:A new fluorescent and colorimetric chemosensor based on naphthothiazole S1 was synthesized and its applications as chemosensor for the selective sensing of pollutant metal ions in water resources and/or biological systems were investigated. Sensor S1 showed great selectivity for Zn 2+ and Sn 2+ over other metal ions. The Job's plot showed a 1:1 stoichiometry between S1 with Zn 2+ and Sn 2+ . Interaction mode of sensor S1 with Zn 2+ ion was further approved by single crystals X-ray crystallography method. The detection limit for the fluorescent chemosensor S1 toward Zn 2+ and Sn 2+ were respectively 2.60 10 8 M and 8.21 10 8 M. The presented small molecule sensor can be used successfully for selective detection of Zn 2+ and Sn 2+ ions in aqueous media.
ISSN:2046-2069
2046-2069
DOI:10.1039/c6ra03689a