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Issue 28, 2015
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A uracil nitroso amine based colorimetric sensor for the detection of Cu2+ ions from aqueous environment and its practical applications

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Abstract

A simple uracil nitroso amine based colorimetric chemosensor (UNA-1) has been synthesized and screened for its cation recognition ability. Sensor UNA-1 exhibited a high sensitivity and selectivity towards Cu2+ ions in aqueous medium in the presence of a wide range of other competing cations (Ag+, Al3+, Ba2+, Ca2+, Cd2+, Co2+, Cr3+, Cs+, Fe2+, Fe3+, Li+, Mg2+, Mn2+, Na+, Ni2+, Pb2+, Zn2+, Hg2+ and Sr2+). With Cu2+, the sensor UNA-1 gave a distinct color change from colorless to dark yellow by forming a complex of 1 : 1 stoichiometry. Furthermore, sensor UNA-1 was successfully utilized in the preparation of test strips and supported silica for the detection of Cu2+ ions from aqueous environment.

Graphical abstract: A uracil nitroso amine based colorimetric sensor for the detection of Cu2+ ions from aqueous environment and its practical applications

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Supplementary files

Article information


Submitted
14 Sep 2014
Accepted
06 Feb 2015
First published
09 Feb 2015

RSC Adv., 2015,5, 21464-21470
Article type
Paper
Author version available

A uracil nitroso amine based colorimetric sensor for the detection of Cu2+ ions from aqueous environment and its practical applications

S. R. Patil, J. P. Nandre, P. A. Patil, S. K. Sahoo, M. Devi, C. P. Pradeep, Y. Fabiao, L. Chen, C. Redshaw and U. D. Patil, RSC Adv., 2015, 5, 21464
DOI: 10.1039/C4RA10419F

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