Chromofluorescent indicator for intracellular Zn2+/Hg 2+ dynamic exchange

Jeong Won Lee, Hyo Sung Jung, Pil Seung Kwon, Jong Wan Kim, Richard A. Bartsch, Youngmee Kim, Sung Jin Kim, Jong Seung Kim

Research output: Contribution to journalArticlepeer-review

79 Scopus citations


(Chemical Equation Presented) (Figure Presented) The fluorescence of NABQ increases remarkably in the presence of Zn2+ and is quenched by Hg2+. As shown by confocal imaging, NABQ-Zn2+ can penetrate cells, where the bound Zn2+ is exchanged for Hg 2+. This results in the concomitant export of Hg2+ from the cells, showing that NABQ can act as a Zn2+ carrier and as a Hg2+ extracting agent in living cells.

Original languageEnglish
Pages (from-to)3801-3804
Number of pages4
JournalOrganic Letters
Issue number17
StatePublished - 2008


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