Table 2. Excitation and emission maxima of the fluorescent ligands 7, 15–20 determined in PBS containing 1% BSA.

Compd.	Dye	λ ex/λem
7 (ref. 47)	Pyridinium cyanine (Py-5)	484/643
15	5-TAMRA	557/583
16	BODIPY 630/650	639/647
17	Pyridinium cyanine (Py-1)	526/602
18	Pyridinium cyanine (Py-5)	483/634
19	Pyridinium cyanine (Py-1)	526/604
20	5-TAMRA	550/583