4.7 Article

DNA-based sensitization of Tb3+ luminescence regulated by Ag+ and cysteine: use as a logic gate and a H2O2 sensor

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 36, Pages 4677-4679

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc01065e

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Funding

  1. National Natural Science Foundation of China [21275055, 21277048]
  2. Natural Science Foundation of Shanghai [11ZR1410700]
  3. Research Fund for the Doctoral Program of Higher Education [20100076110002]

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A simple and facile strategy was developed for regulating the luminescence of Tb3+ sensitized by DNA, in which Ag+ and cysteine (Cys) act as activators. The Ag+/Cys-mediated reversible luminescence changes in the Tb3+-DNA sensing system enabled the design of a DNA INHIBIT logic gate and a H2O2 sensor in a time-resolved luminescence format.

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