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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: J Magn Reson. 2017 Feb 4;277:8–14. doi: 10.1016/j.jmr.2017.01.022

Figure 4.

Figure 4

Fitting the simulated relaxation data of constant-time CPMG experiments in a linear 3-site exchange model at different constant time periods for three temperatures (280 K, 290 K, and 300 K) and two magnetic fields (14.1 T, and 18.8 T) using geometric approximation. The νCPMG frequencies for each constant time (C.T.) were given between 25 and 1000 Hz, and the 300 data sets were simulated with random dynamic parameters. The fit results are plotted against the input values, and those with large standard deviations (SD of kex > 100.1, SD of Δω >0.5 ppm, SD of px > 1%) during Monte Carlo sampling are not shown. The kex values include kex,ab and kex.ac at three different temperatures. The Δω values include Δωab and Δωac. The px values include pa, pb, and pc. The percentage of the outliers (outside of the input values by two SD) is calculated for each case. The numbers in the parentheses are the percentages of the data remained after filtering out the results with large standard deviations.