New colorimetric chemosensor based on rhodamine hydrazide to detect Cu2+ ions by naked eye

New colorimetric chemosensor based on rhodamine hydrazide to detect Cu2+ ions by naked eye A rhodamine-based chemosensor for naked-eye detection of Cu2+ has been designed and synthesized, which exhibited excellent selectivity and high sensitivity for Cu2+ in CH3CN and CH3CN/H2O mixed solutions. When Cu2+ was added to the solution of sensor 1, a dramatic color change from colorless to bluish violet was observed, while the cations K+, Ca2+, Na+, Hg2+, Zn2+, Co2+, Ni2+, Fe3+, Al3+, Pb2+, Ag+, and Cd2+ did not interfere with the recognition process for Cu2+. The pH effect investigations indicated that it can be applied to analysis of samples over a wide pH range. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

New colorimetric chemosensor based on rhodamine hydrazide to detect Cu2+ ions by naked eye

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-014-1588-7
Publisher site
See Article on Publisher Site

Abstract

A rhodamine-based chemosensor for naked-eye detection of Cu2+ has been designed and synthesized, which exhibited excellent selectivity and high sensitivity for Cu2+ in CH3CN and CH3CN/H2O mixed solutions. When Cu2+ was added to the solution of sensor 1, a dramatic color change from colorless to bluish violet was observed, while the cations K+, Ca2+, Na+, Hg2+, Zn2+, Co2+, Ni2+, Fe3+, Al3+, Pb2+, Ag+, and Cd2+ did not interfere with the recognition process for Cu2+. The pH effect investigations indicated that it can be applied to analysis of samples over a wide pH range.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Mar 22, 2014

References

  • Signaling recognition events with fluorescent sensors and switches
    DeSilva, AP; Gunaratne, HQN; Gunnlaugsson, T; Huxley, AJM; McCoy, CP; Rademacher, JT; Rice, TE

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