4.6 Article

Three N-stabilized rhodamine-based fluorescent probes for Al3+ via Al3+-promoted hydrolysis of Schiff bases

Journal

NEW JOURNAL OF CHEMISTRY
Volume 39, Issue 1, Pages 342-348

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nj01357c

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Funding

  1. National Science Foundation of China [21375113]
  2. Program for New Century Excellent Talents in University [NCET-11-0950]

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Three probes for Al3+ detection by both fluorescence and the naked eye in acetonitrile solution were developed. The mechanism of fluorescence was based on the aluminum complexation with rhodamine and subsequent Al3+-promoted hydrolysis of the Schiff base. Theoretical calculations indicated that the aluminum complexes tend to hydrolyze to compound L-6. A simple paper test strip system for the rapid monitoring of Al3+ was developed, indicating its convenient use in environmental samples.

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