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Cited by 249

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New Hg2+-Selective Chromo- and Fluoroionophore Based upon 8-Hydroxyquinoline

Moon, So Youn, Cha, Na Ri, Kim, Young Hee, Chang, Suk-Kyu·2004·The Journal of Organic Chemistry

Abstract

A new 8-hydroxyquinoline derivative having an appended boron-dipyrromethene function has been prepared, and its metal ion sensing properties were investigated. The designed compound exhibited pronounced Hg(2+)-selective on-off-type fluoroionophoric properties among the representative transition- and heavy-metal ions in aqueous dioxane solution. The fluorescence was efficiently quenched more than 98% with 5 equiv of Hg(2+) ions, and the detection limit was found to be 5 x 10(-)(6) M in a dioxane-water (1:3, v/v) solvent system. The ionophore also showed a selective chromogenic behavior toward Hg(2+) ions by changing the color of the solution from light amber to red, which can be detected with the naked eye.

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Authors
Moon, S. Y., Cha, N. R., Kim, Y. H., & Chang, S.-K.
Venue
The Journal of Organic Chemistry
Published
2003-12-09
Volume
69
Issue
1
Pages
181-183
ISSN
  • 0022-3263 (ISSN-L)
  • 1520-6904
OpenAlex
W1984505177
Cited by
249
References
0
FWCI
7.27
Type
journal article
Language
en
Open access
closed

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