Issue 8, 2018

Selective mercury ion recognition using a methyl red (MR) based silatrane sensor

Abstract

A new methyl red (MR) based silatrane was synthesized in high yield by the transesterification reaction of methyl red-amidopropyltrimethoxysilane 1 (MR-APTMS) and trisisopropanolamine. Single crystal X-ray diffraction analysis was used to deduce the structure of silatrane 2 which was also supported by NMR (1H, 13C) spectroscopy, mass spectrometry, FTIR, UV-Vis and DFT studies. Silatrane 2 when surveyed for cation recognition ability with a library of metal ions in CH3CN/H2O (9 : 1, v/v) was found to act as an excellent UV-Vis probe for the selective recognition of Hg2+in vitro. Also, quantum mechanical calculations of the interaction complex [MR-APS-Hg]2+3 using DFT at the B3LYP level in conjunction with the LanL2DZ basis set determined the geometric and the stability parameters of the surveyed interaction.

Graphical abstract: Selective mercury ion recognition using a methyl red (MR) based silatrane sensor

Supplementary files

Article information

Article type
Paper
Submitted
12 Feb 2018
Accepted
13 Mar 2018
First published
14 Mar 2018

New J. Chem., 2018,42, 6315-6321

Selective mercury ion recognition using a methyl red (MR) based silatrane sensor

G. Singh, S. Girdhar, A. Singh, A. Saroa, J. S. Lakhi, S. Khullar and S. K. Mandal, New J. Chem., 2018, 42, 6315 DOI: 10.1039/C8NJ00728D

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