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. Author manuscript; available in PMC: 2009 Apr 21.

Published in final edited form as: J Magn Reson. 2007 Dec 14;191(1):66–77. doi: 10.1016/j.jmr.2007.12.003

Temperature dependence of (a) 1/T₁ for (△) ¹⁴N tempone in glycerol and (□) water:glycerol and (+) the tumbling-dependent contribution to relaxation [1/T₁ (water:glycerol) − 1/T₁ (glycerol)] and (b) the tumbling-dependent contribution to relaxation [1/T₁ (water:glycerol) − 1/T₁ (glycerol)] for (+) ¹⁴N tempone, (○) ¹⁵N tempone, (□) tempone-d₁₆, (*) tempol, (×) tempol-d₁₇, (◇) ¹⁵N-tempol-d₁₇, (△) CTPO and (▽) CPROXYL. Since experimental values in the glycerol and water:glycerol data sets were obtained at different temperatures, the points shown in the plot and used in the subtractions were linearly interpolated at 5 K intervals from the experimental data.

Temperature dependence of (a) 1/T₁ for (△) ¹⁴N tempone in glycerol and (□) water:glycerol and (+) the tumbling-dependent contribution to relaxation [1/T₁ (water:glycerol) − 1/T₁ (glycerol)] and (b) the tumbling-dependent contribution to relaxation [1/T₁ (water:glycerol) − 1/T₁ (glycerol)] for (+) ¹⁴N tempone, (○) ¹⁵N tempone, (□) tempone-d₁₆, (*) tempol, (×) tempol-d₁₇, (◇) ¹⁵N-tempol-d₁₇, (△) CTPO and (▽) CPROXYL. Since experimental values in the glycerol and water:glycerol data sets were obtained at different temperatures, the points shown in the plot and used in the subtractions were linearly interpolated at 5 K intervals from the experimental data.