4.7 Article

Metal ion-modulated graphene-DNAzyme interactions: design of a nanoprobe for fluorescent detection of lead(II) ions with high sensitivity, selectivity and tunable dynamic range

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 22, Pages 6278-6280

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc11486g

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Funding

  1. NSFC [20873175, 21075128, 20725516]
  2. Shanghai Government [0952nm0460, 10QA1408200]
  3. MOH [2009ZX10004-301]
  4. MOST [2007CB936000, 2007AA06A406]
  5. CAS

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We investigate interactions between graphene oxide and a Pb2+-dependent DNAzyme, based on which a Pb2+ sensor with high sensitivity, selectivity and tunable dynamic range is developed.

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