A Thiourea-Containing Fluorescent Chemosensor for Detecting Ga3

A thiourea-based fluorescent chemosensor NADA , (E)-2-(4-(diethylamino)-2-hydroxybenzylidene)-N-(naphthalen-1-yl)hydrazine-1-carbothioamide, has been designed and synthesized. NADA could detect Ga 3+ through a fluorescent turn-on with a low detection limit (0.29 μM). Importantly, NADA could effectiv...

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Bibliographic Details
Published in:Journal of fluorescence 2020-12, Vol.30 (6), p.1457-1462
Main Authors: Park, Soyoung, Lee, Hangyul, Chae, Ju Byeong, Kim, Cheal
Format: Article
Language:English
Subjects:
Analytical Chemistry
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Chemical sensors
Chemoreceptors
Fluorescence
Hydrazines
NMR
Nuclear magnetic resonance
Original Article
Thioureas
Titration
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Summary:A thiourea-based fluorescent chemosensor NADA , (E)-2-(4-(diethylamino)-2-hydroxybenzylidene)-N-(naphthalen-1-yl)hydrazine-1-carbothioamide, has been designed and synthesized. NADA could detect Ga 3+ through a fluorescent turn-on with a low detection limit (0.29 μM). Importantly, NADA could effectively discriminate Ga 3+ from Al 3+ and In 3+ . The binding mechanism of NADA with Ga 3+ was identified by ESI-mass, NMR titration, and DFT calculations.
ISSN:1053-0509
1573-4994
DOI:10.1007/s10895-020-02624-w