4.7 Article

Strand exchange reaction modulated fluorescence off-on switching of hybridized DNA duplex stabilized silver nanoclusters

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 39, Pages 10930-10932

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc11921d

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Funding

  1. National Natural Science Foundation of China [21075120, 20735003]
  2. 973 Project [2009CB930100, 2010CB933600]

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The fluorescence (FL)off-on switching of designed DNA duplex stabilized silver nanoclusters can be accomplished through the control of DNA strand exchange reaction. The successful sequential control of the FL emission of silver nanoclusters in off-on switching cycles confirms that the DNA duplex stabilized silver nanoclusters can work as a new kind of DNA FL switch.

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