Anthracene coupled thiourea as a colorimetric sensor for F-/Cu2+ and fluorescent sensor for Hg2+/picric acid

Duraisamy Udhayakumari; Sivan Velmathi; Parthiban Venkatesan; Shu-Pao Wu

doi:10.1016/j.jlumin.2015.01.052

Anthracene coupled thiourea as a colorimetric sensor for F-/Cu2+ and fluorescent sensor for Hg2+/picric acid

Duraisamy Udhayakumari, Sivan Velmathi^*, Parthiban Venkatesan, Shu-Pao Wu

^*Corresponding author for this work

Department of Applied Chemistry

Research output: Contribution to journal › Article

17 Scopus citations

Abstract

A new dual chemosensor (Z)-2-(anthracen-9-ylmethylene)-N-phenylhydrazinecarbothioamide R1 was synthesized by incorporating a thiourea derivative as a binding unit and an anthracene group as a fluorescence signalling unit. R1 selectively binds with Cu²⁺ and Hg²⁺ ions in aqueous medium. R1 exhibits highly selective recognition towards F^- ion and picric acid in organic medium. Fluorescence quenching was observed in case of R1 with Cu²⁺ and Hg²⁺ ions over commonly coexistent metal ions. Furthermore, fluorescence imaging experiments of Cu²⁺ and Hg²⁺ ions in living RAW 264.7 cells demonstrate its value of practical applications in biological systems.

Original language	English
Pages (from-to)	411-416
Number of pages	6
Journal	Journal of Luminescence
Volume	161
DOIs	https://doi.org/10.1016/j.jlumin.2015.01.052
State	Published - 1 Jan 2015

Keywords

Anthracene
Aqueous medium
Picric acid
RAW 264.7 cells
Thiourea

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10.1016/j.jlumin.2015.01.052

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Udhayakumari, D., Velmathi, S., Venkatesan, P., & Wu, S-P. (2015). Anthracene coupled thiourea as a colorimetric sensor for F-/Cu2+ and fluorescent sensor for Hg2+/picric acid. Journal of Luminescence, 161, 411-416. https://doi.org/10.1016/j.jlumin.2015.01.052

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abstract = "A new dual chemosensor (Z)-2-(anthracen-9-ylmethylene)-N-phenylhydrazinecarbothioamide R1 was synthesized by incorporating a thiourea derivative as a binding unit and an anthracene group as a fluorescence signalling unit. R1 selectively binds with Cu2+ and Hg2+ ions in aqueous medium. R1 exhibits highly selective recognition towards F- ion and picric acid in organic medium. Fluorescence quenching was observed in case of R1 with Cu2+ and Hg2+ ions over commonly coexistent metal ions. Furthermore, fluorescence imaging experiments of Cu2+ and Hg2+ ions in living RAW 264.7 cells demonstrate its value of practical applications in biological systems.",

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AU - Wu, Shu-Pao

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