A rhodamine-based fluorescent and colorimetric chemodosimeter for the rapid detection of Hg2+ ions in aqueous media

Young Keun Yang; Keun Jeong Yook; Jinsung Tae

doi:10.1021/ja054855t

A rhodamine-based fluorescent and colorimetric chemodosimeter for the rapid detection of Hg²⁺ ions in aqueous media

Young Keun Yang, Keun Jeong Yook, Jinsung Tae

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

956 Citations (Scopus)

Abstract

A rhodamine-based fluorescent and colorimetric chemodosimeter for the rapid detection of Hg²⁺ ions in aqueous media was developed. The system, which utilizes an irreversible Hg²⁺-promoted oxadiazole forming reaction, responds instantaneously at room temperature in a 1:1 stoichiometric manner to the amount of Hg²⁺. The selectivity of this system for Hg²⁺ over other metal ions is remarkably high, and its sensitivity is below 2 ppb in aqueous solutions.

Original language	English
Pages (from-to)	16760-16761
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	127
Issue number	48
DOIs	https://doi.org/10.1021/ja054855t
Publication status	Published - 2005 Dec 7

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja054855t

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abstract = "A rhodamine-based fluorescent and colorimetric chemodosimeter for the rapid detection of Hg2+ ions in aqueous media was developed. The system, which utilizes an irreversible Hg2+-promoted oxadiazole forming reaction, responds instantaneously at room temperature in a 1:1 stoichiometric manner to the amount of Hg2+. The selectivity of this system for Hg2+ over other metal ions is remarkably high, and its sensitivity is below 2 ppb in aqueous solutions.",

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