Table 1.

Dichromic fluorescent molecules

#	R1	R2	R3	m	n	Abs (nm)	Emi 1 (nm)	Emi 2 (nm)	700/800 nm
1		CO2H	SO3H	2	4	782	698	809	0.67
2		CO2H		2	2	782	698	809	1.71
3		CO2H	SO3H	5	4	783	699	808	2.82
4		CO2H	CO2H	5	5	784	698	808	0.25
5		CH3	CH3	0	0	777	694	800	7.04
6		CH3	CH3	0	5	781	697	799	11.9
7		CO2H	SO3H	2	4	745	661	770	3.78
8		CO2H	CO2H	2	2	745	661	770	0.85
9		CO2H	SO3H	2	3	783	695	809	1.34
10		SO3H	SO3H	3	3	783	695	810	1.51

Abs: maximum absorption, Emi 1: maximum emission at short wavelength channel, Emi 2: maximum emission at long wavelength channel.