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Preparation procedure for DNA capture element sensing system. quantum dots were used here for the DNA capture element systems of Bacillus anthracis, Shiga, and tularemia aptamers (selected by the SELEX process). All of these agents were in turn used for aptamer re-selection. Sequences of these aptamers are shown in Figure 1. EDC, 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide HCl.
