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. 2014 Mar 6;9(3):e90500. doi: 10.1371/journal.pone.0090500

Figure 8. Double exponential decay analysis in time- and Legendre-domain.

Figure 8

(a,b) The interaction of Ru(II) complexes with DNA (same as in in Fig. 1) shows double exponential decay([12], data courtesy of F. Secco, Univ Pisa,I). Same data fitted in t- (a) and L-domain (b). (c) Probability for the fitting error in the L-domain, Inline graphic, to be smaller than that in the t-domain, Inline graphic, represented as a function of Inline graphic and Inline graphic. Color code of the probability is shown beneath the plot. For each pair (Inline graphic) 1000 trials were computed. (d) Relative difference of fitting errors, Inline graphic, as a function of Inline graphic and Inline graphic. Color code beneath the plot. 1000 trials per pixel. Left of the solid and dashed white lines in a and b, the success rate of the fit in the L-domain is larger that Inline graphic and Inline graphic, respectively. Left of the solid and dashed black lines in c and d, the success rate of the fit in the t-domain is larger that 50% and 95%, respectively. Relative error differences were calculated only for successful trials. (e) Success rate of fitting in the L-domain (solid) and t-domain (dashed) along the vertical line in c, i.e., as a function of Inline graphic with Inline graphic kept at Inline graphic.