Thiophene anchored naphthalene derivative: Cr3+ selective turn-on fluorescent probe for living cell imaging

Sudipta Das; Animesh Sahana; Arnab Banerjee; Sisir Lohar; Subarna Guha; Jesús Sanmartín Matalobos; Debasis Das

doi:10.1039/C2AY25384D

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Thiophene anchored naphthalene derivative: Cr³⁺ selective turn-on fluorescent probe for living cell imaging†

Sudipta Das,^a Animesh Sahana,^a Arnab Banerjee,^a Sisir Lohar,^a Subarna Guha,^a Jesús Sanmartín Matalobos*^b and Debasis Das*^a

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* Corresponding authors

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

^b Departamento de Química Inorgánica, Facultade de Química, Avda. Das Ciencias s/n, Santiago de Compostela, Spain

Abstract

A naphthalene-based thiophene derivative (L) can act as a Cr³⁺ selective turn-on fluorescence probe in aqueous methanol. The structure of L has been established from different spectroscopic data and confirmed by X-ray crystallography. Under optimum conditions, the fluorescence intensity of L increases linearly from 1.0 × 10⁻⁶ to 52 × 10⁻⁶ M Cr³⁺ with a detection limit of 1.5 × 10⁻⁷ M. L also exhibits good cell permeability and can detect intracellular Cr³⁺ in contaminated living cells.

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Article information

DOI: https://doi.org/10.1039/C2AY25384D
Article type: Paper
Submitted: 15 Apr 2012
Accepted: 23 May 2012
First published: 23 May 2012

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Anal. Methods, 2012,4, 2254-2258

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Thiophene anchored naphthalene derivative: Cr³⁺ selective turn-on fluorescent probe for living cell imaging

S. Das, A. Sahana, A. Banerjee, S. Lohar, S. Guha, J. S. Matalobos and D. Das, Anal. Methods, 2012, 4, 2254 DOI: 10.1039/C2AY25384D

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Analytical Methods