Selective Evolution of Ligands by Exponential Enrichment to Identify RNA Aptamers against Shiga Toxins

Table 1

Concentrations of RNA aptamer pool and Stx1 or Stx2 for SELEX selection.

Selection round	Membrane-SELEX		Plate-SELEX
	Input RNA (pmoles)	Input Stx1/Stx2 (pmoles)	Input RNA (pmoles)	Input Stx1/Stx2 (pmoles)
1	1600	400	400	28
2	800	400	200	28
3	200	200	200	28
4	200	200	200	28
5	200	50	200	28
6	200	50	200	28
7	200	25	200	28