Table 1. Stern–Volmer quenching of PPESO3 by p-NA peptides.

	Ksv, M-1
[Buffer], mM	K-pNA*	Bz-FVR-pNA†
1.0	1.7 × 107	2.3 × 106
5.0	4.4 × 106	1.2 × 106
10.0	4.3 × 106	1.1 × 106

PPESO3 concentration is 1.0 μM.

^*Phosphate buffer

^†Tris buffer