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. Author manuscript; available in PMC: 2013 Sep 6.
Published in final edited form as: J Phys Chem B. 2012 Aug 27;116(35):10631–10638. doi: 10.1021/jp211296e

Table 2.

Best-fit parameters obtained from fitting the PheCN fluorescence decay data of HP35-P obtained in urea solutions to a triple-exponential function.

Urea (M) A1 (%) τ1 (ns) A2 (%) τ2 (ns) A3 (%) τ3 (ns) χ2
0.5 47 0.47 23 1.27 30 4.09 1.49
1.0 41 0.41 25 1.33 34 4.02 1.65
1.5 35 0.35 26 1.38 38 4.02 1.68
2.0 30 0.30 28 1.42 42 4.05 1.74
2.5 26 0.26 28 1.42 46 4.08 1.84
3.0 22 0.22 28 1.39 50 4.00 1.92
3.5 20 0.20 29 1.48 50 4.09 1.96
4.0 18 0.18 28 1.51 53 4.08 2.15
4.5 16 0.16 28 1.45 56 4.07 2.13
5.0 16 0.16 28 1.55 56 4.16 2.30
5.5 16 0.16 27 1.55 57 4.16 2.29
6.0 14 0.14 27 1.49 59 4.20 2.30
6.5 14 0.14 26 1.50 59 4.21 2.57
7.0 14 0.14 26 1.50 60 4.23 2.45
7.5 14 0.14 25 1.52 62 4.24 2.50
8.0 13 0.13 25 1.50 62 4.28 2.51