A supramolecular sensing system for AgI at nanomolar levels by the formation of a luminescent AgI–TbIII–thiacalix[4]arene ternary complex

Nobuhiko Iki; Munehiro Ohta; Teppei Tanaka; Takayuki Horiuchi; Hitoshi Hoshino

doi:10.1039/B816596C

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A supramolecular sensing system for Ag^I at nanomolar levels by the formation of a luminescent Ag^I–Tb^III–thiacalix[4]arene ternary complex†

Nobuhiko Iki,*^a Munehiro Ohta,^a Teppei Tanaka,^a Takayuki Horiuchi^a and Hitoshi Hoshino^a

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* Corresponding authors

^a Graduate School of Environmental Studies, Tohoku University, 6-6-07 Aramaki-Aoba, Aoba-ku, Japan
E-mail: iki@orgsynth.che.tohoku.ac.jp
Fax: +81 22-795-7293
Tel: +81 22-795-7222

Abstract

The first example of the detection of Ag^I ions using supramolecular chemistry is demonstrated, in which two thiacalix[4]arene ligands are linked by analyte Ag^I ions and then coordinate to Tb^III ions to form a luminescent ternary complex, Ag^I₂·Tb^III₂·TCAS₂, enabling the detection of Ag^I at concentrations as low as 3.2×10⁻⁹ M.

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Supplementary files

Experimental details for sample preparation and ESI-MS ofcomplex 3 PDF (1928K)

Article information

DOI: https://doi.org/10.1039/B816596C
Article type: Letter
Submitted: 22 Sep 2008
Accepted: 10 Nov 2008
First published: 01 Dec 2008

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New J. Chem., 2009,33, 23-25

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A supramolecular sensing system for Ag^I at nanomolar levels by the formation of a luminescent Ag^I–Tb^III–thiacalix[4]arene ternary complex

N. Iki, M. Ohta, T. Tanaka, T. Horiuchi and H. Hoshino, New J. Chem., 2009, 33, 23 DOI: 10.1039/B816596C

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