Table 1.

Conditions used during different rounds of SELEX.

Round	Positive/negative	Target	[Target]	DNA source	[DNA]
1	Positive	CA125	16.6 U	Library	400 μM
2	Positive	CA125	16.6 U	Round 1 product	100 μM
3	Positive	CA125	8.3 U	Round 2 product	50 μM
4	Positive	CA125	8.3 U	Round 3 product	10 μM
5	Positive	CA125	4.15 U	Round 4 product	500 nM
6	Negative	Membrane	0 U	Round 5 product	50 nM