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This paper reports a simple fluorescent assay for the determination of Hg 2+ and Pb 2+ by using a DNA intercalator GeneFinder™ (GF) and an integrated functional nucleic acid (FNA). In the absence of Hg 2+ and Pb 2+ , GF intercalated with the FNA and released moderate strong fluorescence. While in the presence of Hg 2+ or Pb 2+ , the FNA would be induced...
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