Table 1.

Association/Dissociation Rate Constants and Binding Affinities of Apt01 and Apt02, which Were Analyzed by SPR

Aptamer Name	Target	kon/M−1s−1	koff/s−1	KD (nM)
Apt01	VEGFR-1	4.73 × 106	1.57 × 10−2	3.3
Apt01	VEGFR-2	3.73 × 104	3.86 × 10−3	100
Apt02	VEGFR-1	9.54 × 105	1.39 × 10−3	1.5
Apt02	VEGFR-2	1.32 × 105	4.16 × 10−3	32

SPR sensorgrams are shown in Figure S2.