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. Author manuscript; available in PMC: 2013 Jan 11.
Published in final edited form as: Neuroimage. 2010 May 20;54(Suppl 1):S176–S179. doi: 10.1016/j.neuroimage.2010.05.032

Table 2.

Gadolinium concentrations for the seven phantom tubes and the measured fitted longitudinal relaxation rate at 0% of BSA at 7 T.

Phantom no. Gd (mmol) R1 (s−1)—measurement R1 (s−1)—fitting
1 0 0.62 0.57
2 0.025 0.68 0.68
3 0.050 0.72 0.78
4 0.100 1.00 1.00
5 0.200 1.40 1.42
6 0.300 1.76 1.85
7 0.400 2.30 2.27

R1 = 0.574 + 4.14 × Gd (mmol).

Standard error (slope) = 0.15, p<0.001.