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Selection of aptamers capable of binding vitamin C. A, The general scheme of the SELEX method using DNA. B, Representative image of each aptamer group. The secondary structures of the Aptamin C were predicted using the Mfold program (http://mfold.rna.albany.edu/?=mfold). C, Antioxidation (Inhibition) test of representative sequence of each group. Aptamin Cb, Cf, and Ck, these three Aptamin C are the best form to protect vitamin C from oxidation
