Selective and Efficient Detection of Hg2+ Ions in Aqueous Media

Y.-K. Yang; K.-J. Yook; J. Tae

doi:10.1055/s-2006-931933

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Synfacts 2006(3): 0227-0227
DOI: 10.1055/s-2006-931933

Synthesis of Materials and Unnatural Products

Selective and Efficient Detection of Hg²⁺ Ions in Aqueous Media

Contributor(s): Timothy M. Swager, Trisha L. Andrew
Y.-K. Yang, K.-J. Yook, J. Tae*
Yonsei University, Seoul, Korea

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Publication History

Publication Date:
21 February 2006 (online)

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Significance

This rhodamine derivative is capable of selectively detecting and quantifying ppb levels of Hg²⁺ ions in aqueous solutions. The presence of Hg²⁺ ions causes a significant increase in the emission intensity of a solution of 1 (H₂O-MeOH, 80:20) and the development of a prominent fuchsia color from a previously colorless solution of 1 by promoting a spirolactam ring opening and subsequent cyclization reaction to form 2.