4.7 Article

A selective fluorescent probe for the detection of Cd2+ in different buffer solutions and water

Journal

DALTON TRANSACTIONS
Volume 45, Issue 30, Pages 12087-12093

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt01398h

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Funding

  1. National Natural Science Foundation of China [21302058, 31570360]
  2. Research Fund for the Doctoral Program of Higher Education of China [20130076120006]
  3. Fundamental Research Funds for the Central Universities
  4. Science and Technology Project of Chongqing Municipal Education Commission [KJ1501129]
  5. Shanghai Key Laboratory of Chemical Biology
  6. Chongqing Key Laboratory of Environmental Materials and Remediation Technology [CEK1402]

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A simple fluorescent probe NHQ based on quinoline was successfully prepared via one-step synthesis. The probe NHQ exhibited turn-on fluorescence and excellent selectivity toward Cd2+ in different buffer solutions such as Tris-HCl buffer solution, HEPES buffer solution, and PBS buffer solution, and even in water. Moreover, the binding model of NHQ with Cd2+ was definitely confirmed by the single crystal X-ray diffraction studies of the complex.

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