4.7 Article

Gold nanorods-based FRET assay for ultrasensitive detection of Hg2+

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 46, Pages 12500-12502

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc15084g

Keywords

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Funding

  1. National Natural Science Foundation of China [21075079]
  2. Program for New Century Excellent Talents in University [NCET-10-0557]
  3. Fundamental Research Funds for the Central Universities [GK200902004]

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A fluorescence method for detecting mercury ion in a homogeneous medium is proposed with gold nanorods (GNRs) as a fluorescence quencher on the basis of the fluorescence resonance energy transfer (FRET). Under the optimum conditions, the method exhibits a dynamic response range from 10 pM to 5 nM with a detection limit of 2.4 pM.

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