Table 1. Determination of the Bound Ru Amount by ICP-MS.

complex ratio [HSA/Myr/1]	incubation time [h]	Ru/HSA ratioa
1:0:10	1	1.48
1:0.5:10	1	2.98
1:1:10	1	2.10
1:10:10	1	1.45
1:0:10	3	1.57
1:0.5:10	3	1.45
1:1:10	3	1.66
1:10:10	3	1.52
1:0:10	6	2.72
1:0.5:10	6	1.57
1:1:10	6	1.70
1:5:10	6	1.78
1:10:10	12	1.36
1:0.5:10	12	1.24
1:1:10	12	1.45
1:10:10	12	1.63
1:0: 10	24	1.58
1:0.5:10	24	1.54
1:1: 10	24	1.71
1:10:10	24	1.75

^aRu to HSA ratio given as n(Ru)/n(HSA).