Table 1.

Fluorescence quantum yields (Φ) of 9AP, 15AP, 21AP and their HXDV complexes at 25°C^a

Sample	Φ (±0.001)
9AP	0.034
9AP-HXDV	0.035
15AP	0.004
15AP-HXDV	0.017
21AP	0.014
21AP-HXDV	0.021

^a Solution conditions were 10 mM EPPS (pH 7.5) and sufficient KCl to bring the total K⁺ concentration to 150 mM.