4.7 Article

Reversible molecular switching of molecular beacon: controlling DNA hybridization kinetics and thermodynamics using mercury(II) ions

Journal

CHEMICAL COMMUNICATIONS
Volume -, Issue 3, Pages 322-324

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/b816638b

Keywords

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Funding

  1. National Outstanding Youth Science Foundation of China [20 525 518]
  2. National Natural Foundation of China [20 775 005]
  3. NSF
  4. NIH

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We report that the hydrogen-bonding pattern in a molecular beacon can be replaced by metal-dependent pairs of Hg2+ and DNA thymine ( T) bases. A molecular beacon based on T-Hg2+-T exhibits a lower background signal and higher thermostability than regular molecular beacons.

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