Journal
CHEMICAL COMMUNICATIONS
Volume 49, Issue 44, Pages 4989-4991Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc39087j
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Funding
- National Natural Science Foundation of China [21071066, 91027038, 21101079, 21175034]
- MOST [2012BAC01B07, 2012BAD29B05, 2012AA06A303, 2012BAD29B04, 2011BAK10B07, 2011BAK10B05, 2011BAK10B01, 2010AA06Z302, 2010DFB3047, 2012BAK17B10, 2012BAK08B01]
- Natural Science Foundation of Jiangsu Province
- MOF
- MOE [BE2011626, BK2010001, BK2010141, 201210036, 311002]
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A self-assembled nanostar dimer based on the Hg2+-mediated T-T base pair of ssDNA has been developed as a SERS sensor for Hg2+ detection. The enormous enhancement of the electromagnetic field by the dimer structures facilitates extraordinary SERS intensity. The LOD is 0.8 pg mL(-1) and its linear range is 0.002 to 1 ng mL(-1).
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