Hg(II) Selective Complexation by Chromoionophoric Calix[4]arene Derivative

The present article describes an exploration regarding Hg(II) selective complexation behavior of 5,11,17,23-tetrakis[(N,N-dimethylamino)methyl]-25,26,27,28-tetrahydroxycalix[4]arene ( 4 ). The binding affinity of 4 toward selected transition metal ions such as Cd(II), Co(II), Cu(II), Hg(II), Ni(II),...

Full description

Saved in:
Bibliographic Details
Published in:Journal of fluorescence 2011-05, Vol.21 (3), p.1231-1238
Main Authors: Qazi, Mansoor Ahmed, Qureshi, Imdadullah, Memon, Shahabuddin
Format: Article
Language:English
Subjects:
Affinity
Analytical Chemistry
Binding
Binding Sites
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Calixarenes - chemistry
Cations
Complexation
Derivatives
Exploration
Fluorescence
Mercury - chemistry
Metals
Original Paper
Spectrometry, Fluorescence
Spectrophotometry, Ultraviolet
Spectroscopy
Spectroscopy, Fourier Transform Infrared
Transition Elements
Transition metals
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The present article describes an exploration regarding Hg(II) selective complexation behavior of 5,11,17,23-tetrakis[(N,N-dimethylamino)methyl]-25,26,27,28-tetrahydroxycalix[4]arene ( 4 ). The binding affinity of 4 toward selected transition metal ions such as Cd(II), Co(II), Cu(II), Hg(II), Ni(II), Pb(II) and Zn(II) have been investigated by UV-visible and fluorescence spectroscopies. From the results it has been noticed that 4 confers a pronounced preference for Hg(II) in complexation phenomenon even in the presence of other metal ions. The results of Job’s plot analysis reveal 1:1 host-guest complex formation between Hg(II) and 4 . The FT-IR spectroscopy also supports the complexation affinity of 4 for Hg(II).
ISSN:1053-0509
1573-4994
DOI:10.1007/s10895-010-0802-2