Figure 7

Temperature dependence of the parameters obtained from the best theoretical simulations of the spectra in Fig. 5: (a and b) average rotational correlation time τR, (c and d) order parameter S20, and (e and f) isotropic hyperfine splitting ao. The left and right columns correspond to the parameters obtained from spectra of the spin labels 5- and 16-PCSL, respectively, inserted in pure lipids (solid symbols) and in the mixtures of lipid/protein (open symbols), at the lipids gel phase.