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A schematic for clone SELEX. (A) After sequencing, count repeats and choose ~ 4 clones based on their abundance. (B) Large scale PCR and strand separation for the selected clones. Strands of one particular sequence is amplified through large scale PCR and library is prepared. (C) Representative cases of clone SELEX elution profile. The elution profile of Clone 1 is the best, clone 4 is second. Cases 2 and 3 are not recommended for adaptation into sensors.
