Table 1.

NO release (% of theoretical maximum) from DD-1, DD-2, and DD-3 in the presence of L-cysteine or human serum

Compd	Matrix	%NO Release
		1 hr	2 hrs	4 hrs	8 hrs
DD-1	L-Cys	3.8 ± 0.4	5.9 ± 0.3	8.8 ± 0.4	9.3 ± 0.3
	Serum	10.0± 0.1	9.7± 0.3	8.5± 1.0	10.4± 0.2
DD-2	L-Cys	3.5 ± 0	4.2 ± 0.1	5.2 ± 0.4	5.3 ± 0.3
	Serum	2.3± 2.0	7.0± 1.8	5.8± 0	5.1± 0.04
DD-3	L-Cys	1.8 ± 0.07	3.1 ± 0.2	4.7 ± 0.07	5.1 ± 0.1
	Serum	41.5± 0.2	45.7± 1.4	50.6± 1.9	52.5± 0.5

The experiments were performed in duplicate or triplicate. All compounds were solubilized in DMSO (2%). Control experiments without test compound also contain 2% DMSO