4.7 Article

Highly sensitive and selective turn-on fluorescent chemosensor for Pb2+ and Hg2+ based on a rhodamine-phenylurea conjugate

Journal

CHEMICAL COMMUNICATIONS
Volume 46, Issue 21, Pages 3765-3767

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c001587c

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Funding

  1. National Natural Science Foundation of China [20602022]
  2. Natural Science Foundation of Shandong province [Y2007B39]

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A novel easily available turn-on fluorescent chemosensor RPU based on a rhodamine-phenylurea conjugate was synthesized, which showed highly selective and sensitive recognition toward Pb2+ in CH3CN and Hg2+ in aqueous media over a wide range of tested metal ions with remarkably enhanced fluorescent intensities and also clear color changes from colorless to pink.

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