Figure 2.
Secondary structure of the aptamer when the temperature and Na+ concentrations are (A) 20°C and 1.37 mM, (B) 37°C and 1.37 mM, (C) 20°C and 10 mM, (D) 37°C and 10 mM, (E) 20°C and 150 mM, and (F) 37°C and 150 mM, respectively.
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