Table 3. Hydrodynamic Radius (Rh) of the Different C₆₀ Derivatives in Water (4 µg/µL), 10 mM Tris/EDTA Solution (4 µg/µL), Serum-Free DMEM (4 µg/µL), in Complex with DNA in 10 mM Tris/EDTA Solution (4 µg/µL, R = 16.8), and in Complex with DNA in Serum-Free DMEM (4 µg/µL, R = 16.8).

	IV		III		II		I		V		VI
solutions	Rh (nm)	PDI	Rh (nm)	PDI	Rh (nm)	PDI	Rh (nm)	PDI	Rh (nm)	PDI	Rh (nm)	PDI
water	50	0.43	47	0.51	126	0.33	650	0.55	90	0.39	72	0.37
Tris EDTA	35	0.33	33	0.40	83	0.29	446	0.46	51	0.42	58	0.22
serum-free DMEM	29	0.26	34	0.28	61	0.31	150	0.24	47	0.45	20	0.33
in complex with DNA [Tris/EDTA]	125	0.24	146	0.31	366	0.43	503	0.52	803	0.33	834	0.55
in complex with DNA [serum-free DMEM]	111	0.36	163	0.44	440	0.34	485	0.42	721	0.22	803	0.41