A fluorescence turn-on Hg2+ probe based on rhodamine with excellent sensitivity and selectivity in living cells


A highly sensitive and selective Hg2+ probe 4 based on rhodamine-b was developed and characterized. In consideration of environmental and biological application, we connected a water soluble receptor group (sulfonated β-naphtol) and rhodamine-b together through hydrazine hydrate in high yield. The result turns out that this compound not only exhibits excellent sensitivity and selectivity toward Hg2+, but also shows well cell permeability and compatibility in vitro.

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Jiang, L. , Wang, L. , Zhang, B. , Yin, G. and Wang, R. (2011) A fluorescence turn-on Hg2+ probe based on rhodamine with excellent sensitivity and selectivity in living cells. Open Journal of Inorganic Chemistry, 1, 16-22. doi: 10.4236/ojic.2011.12003.

Conflicts of Interest

The authors declare no conflicts of interest.


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