Single sensor for two metal ions: colorimetric recognition of Cu2+ and fluorescent recognition of Hg2+.

@article{Tang2011SingleSF,
  title={Single sensor for two metal ions: colorimetric recognition of Cu2+ and fluorescent recognition of Hg2+.},
  author={L. Tang and F. Li and Minghui Liu and R. Nandhakumar},
  journal={Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy},
  year={2011},
  volume={78 3},
  pages={
          1168-72
        }
}
  • L. Tang, F. Li, +1 author R. Nandhakumar
  • Published 2011
  • Chemistry, Medicine
  • Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
The first novel rhodamine B based sensor, rhodamine B hydrazide methyl 5-formyl-1H-pyrrole-2-carboxylate Schiff base (2) capable of detecting both Cu(2+) and Hg(2+) using two different detection modes has been designed and synthesized. The metal ion induced optical changes of 2 were investigated in MeOH:H(2)O (3:1) HEPES buffered solution at pH 7.4. Sensor 2 exhibits selective colorimetric recognition of Cu(2+) and fluorogenic recognition of Hg(2+) with UV-vis and fluorescence spectroscopy… Expand
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