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. Author manuscript; available in PMC: 2011 Apr 21.
Published in final edited form as: Bioconjug Chem. 2010 Apr 21;21(4):610–615. doi: 10.1021/bc900375n

TABLE 2.

Relaxivity data of Gd3N@C80[DiPEG(OH)x] series. The relaxivities were measured at room temperature in water.

Metallofullerene Derivatives r1 (mM−1s−1) Magnetic Field Strength (T)
Gd@C82O6(OH)16(NH2CH2CH2COOH)8 (6) 9.1 1.5
Gadofullerenol(22) 47 9.4
Gd@C82(OH)40 (12) 67 0.47
81 1.0
31 4.7
Gd@C60(OH)x (26) 83.2 1.4
Gd@C60[C(COOH)2]10 (11, 26) 24.0 1.4
4.6 0.47
Gd3N@C80[DiPEG750(OH)x] 150 (50.0 Gd3+ based) 0.35
246 (82.0 Gd3+ based) 2.4
58.1 (19.7 Gd3+ based) 9.4