4.6 Article

Substituent effect on fluorophores instead of ionophores: its implication in highly selective fluorescent probes for Zn2+ over Cd2+

Journal

RSC ADVANCES
Volume 4, Issue 10, Pages 4827-4830

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra46468g

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Funding

  1. National Natural Science Foundation of China [21206137]
  2. Scientific Research Foundation of Northwest AF University [Z111021103, Z111021107]

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Three fluorescent molecules with different substituent modification on 5-position showing different extents of fluorescent response to Zn2+ and distinct discriminating effect of R-Zn/R-Cd have been readily synthesized. The addition of a dithiol group induces the discriminating effect of R-Zn/R-Cd to be obviously improved from twice to 32 times.

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