A rhodamine derivative as a “lock” and SCN− as a “key”: visible light excitable SCN− sensing in living cells

Arnab Banerjee; Animesh Sahana; Sisir Lohar; Ipsit Hauli; Subhra Kanti Mukhopadhyay; Damir A. Safin; Maria G. Babashkina; Michael Bolte; Yann Garcia; Debasis Das

doi:10.1039/C3CC40582F

A rhodamine derivative as a “lock” and SCN⁻ as a “key”: visible light excitable SCN⁻ sensing in living cells†

Arnab Banerjee,^a Animesh Sahana,^a Sisir Lohar,^a Ipsit Hauli,^b Subhra Kanti Mukhopadhyay,^b Damir A. Safin,*^c Maria G. Babashkina,^c Michael Bolte,^d Yann Garcia*^c and Debasis Das*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
E-mail: ddas100in@yahoo.com
Fax: +91 342 2530452

^b Department of Microbiology, The University of Burdwan, Burdwan, West Bengal, India

^c Institute of Condensed Matter and Nanosciences, MOST – Inorganic Chemistry, Université Catholique de Louvain, Place L. Pasteur 1, 1348 Louvain-la-Neuve, Belgium
E-mail: damir.safin@ksu.ru, yann.garcia@uclouvain.be
Fax: +32 (0)1047 2330
Tel: +32 (0)1047 2831

^d Institut für Anorganische Chemie J.-W.-Goethe-Universität, Frankfurt/Main, Germany

Abstract

A visible light excitable rhodamine based probe operates as a SCN⁻ selective fluorescent “turn-on” sensor for living cell imaging with a detection limit of 0.01 μM, which is much lower than the normal SCN⁻ level in the human body. A “lock” and “key” model has been proposed to explain the fluorescence enhancement of the rhodamine probe in the presence of SCN⁻.

Chemical Communications

A rhodamine derivative as a “lock” and SCN⁻ as a “key”: visible light excitable SCN⁻ sensing in living cells†

Abstract

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Chemical Communications

A rhodamine derivative as a “lock” and SCN− as a “key”: visible light excitable SCN− sensing in living cells†

Abstract

Supplementary files

Article information

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A rhodamine derivative as a “lock” and SCN− as a “key”: visible light excitable SCN− sensing in living cells

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A rhodamine derivative as a “lock” and SCN⁻ as a “key”: visible light excitable SCN⁻ sensing in living cells†

A rhodamine derivative as a “lock” and SCN⁻ as a “key”: visible light excitable SCN⁻ sensing in living cells