A highly efficient PET switch on–off–on fluorescence receptor based on calix[4]arene for the selective recognition of Cd2+ and Sr2+

Pinkesh G. Sutariya; Alok Pandya; Nishith R. Modi; Shobhana K. Menon

doi:10.1039/C3AN00091E

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A highly efficient PET switch on–off–on fluorescence receptor based on calix[4]arene for the selective recognition of Cd²⁺ and Sr²⁺†

Pinkesh G. Sutariya,^a Alok Pandya,^a Nishith R. Modi^a and Shobhana K. Menon*^a

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* Corresponding authors

^a Department of Chemistry, School of Sciences, Gujarat University, Navrangpura, Ahmedabad 380009, Gujarat, India
E-mail: Shobhanamenon07@gmail.com

Abstract

A novel PET (photoinduced electron transfer) based substituted calix[4]arene fluoroionophore has been synthesized and used for the selective recognition of Cd²⁺ and Sr²⁺ by emission spectra. The detection limit of the synthesized receptor was found to be 0.94 pM for Cd²⁺ and 1.04 pM for Sr²⁺. Moreover, this probe has been applied to the recognition of Cd²⁺ and Sr²⁺ in waste water.

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Article information

DOI: https://doi.org/10.1039/C3AN00091E
Article type: Communication
Submitted: 11 Jan 2013
Accepted: 07 Feb 2013
First published: 07 Feb 2013

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Analyst, 2013,138, 2244-2248

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A highly efficient PET switch on–off–on fluorescence receptor based on calix[4]arene for the selective recognition of Cd²⁺ and Sr²⁺

P. G. Sutariya, A. Pandya, N. R. Modi and S. K. Menon, Analyst, 2013, 138, 2244 DOI: 10.1039/C3AN00091E

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