Issue 14, 2013
From the journal:

Dalton Transactions

Ratiometric fluorescence sensing and intracellular imaging of Al3+ ions driven by an intramolecular excimer formation of a pyrimidine–pyrene scaffold†

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

* Corresponding authors

a Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
E-mail: ddas100in@yahoo.com
Fax: +91 342 2530452
Tel: +91 342 2533913

b 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
Fax: +32 (0) 1047 2330
Tel: +32 (0) 1047 2831

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

d Department of Microbiology, The University of Burdwan, Burdwan 713104, India

Abstract

An Al3+ selective ratiometric fluorescent probe (L) has been synthesized by condensation of 4,5-diaminopyrimidine with 1-pyrenecarboxaldehyde. The structure of L has been confirmed by single crystal X-ray analysis. In the presence of Al3+, L exhibits a considerable excimer emission at 445 nm along with the decrease of its monomer emission at 368 nm in DMSO–H2O (4 : 1, v/v). The lowest detection limit for Al3+ is 0.24 μM. Furthermore, L can permeate through the cell membrane and detects intracellular Al3+ ions under a fluorescence microscope.

Graphical abstract: Ratiometric fluorescence sensing and intracellular imaging of Al3+ ions driven by an intramolecular excimer formation of a pyrimidine–pyrene scaffold

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Article information

DOI
https://doi.org/10.1039/C3DT32908A
Article type
Communication
Submitted
04 Dec 2012
Accepted
31 Jan 2013
First published
04 Feb 2013

Dalton Trans., 2013,42, 4757-4763

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Ratiometric fluorescence sensing and intracellular imaging of Al3+ ions driven by an intramolecular excimer formation of a pyrimidine–pyrene scaffold

S. Das, A. Sahana, A. Banerjee, S. Lohar, D. A. Safin, M. G. Babashkina, M. Bolte, Y. Garcia, I. Hauli, S. K. Mukhopadhyay and D. Das, Dalton Trans., 2013, 42, 4757 DOI: 10.1039/C3DT32908A

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