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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Biomol NMR. 2015 Apr 22;62(2):121–127. doi: 10.1007/s10858-015-9929-4

Figure 2.

Figure 2

T2 distributions resulting from the regularized NNLS analysis of 19F T2 relaxation curves. The echo time present in the CPMG pulse sequence was τCPMG = 2 ms. A single T2 component was depicted in (A) the 6F-Trp solution and (B) the BSA-6F-Trp complex solution, respectively, while (C) two T2 components were observed in the two-compartmental 6F-Trp system. The χ2 statistics for goodness-of-fit tests of the regularized NNLS-derived fits of T2 relaxation curves exhibited χ2 = 2317, p = 0.41 for the 6F-Trp solution (Figure S1A), χ2 = 2370, p = 0.16 for the BSA-6F-Trp complex solution (Figure S1B), and χ2 = 2206, p = 0.92 for the two-compartmental 6F-Trp system (Figure S1C), all with degrees of freedom = 2303.