Journal
ANALYST
Volume 137, Issue 11, Pages 2687-2691Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2an35180c
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Funding
- National Basic Research Program of China [2010CB732403]
- National Nature Sciences Funding of China [20905013, 41076059]
- Program for New Century Excellent Talents in Fujian Province University [JA10011]
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The design of devices with multiple functions, simple handling procedures and sufficient sensitivity has drawn great interests in the field of analysis. Metal-nucleotide based pairs, such as T-Hg2+-T and C-Ag (+)-C complexes accompanied by SYBR Green I (SG), are used to selectively bind duplex-strand DNA by observing a bright fluorescence signal in this work, thus yielding a simple method for the rapid detection of Hg2+ and Ag+ without a complex labeling process. Based on this principle, 'OR' and 'AND' logic gates for the multiplexed analysis of Hg2+ and Ag+ were developed, and their practical application for the detection of Hg2+ and Ag+ in drinking water was reported.
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