Abstract
In this work anew wavevector analysis of Elastic Incoherent Neutron Scattering (EINS) data on bioprotectant systems based on a wavelet approach is presented. The wavevector analysis allows to compare the spatial properties of the three systems such as three glass-forming homologous disaccharides (trehalose, maltose and sucrose),in the wavevector range of Q=0.28-4.27 Co-1 and the wavelet transform reveals the existence of different kinds of protons dynamics. The comparison among the EINS spectra of the investigated systems points out systematically lower and sharper contributions for trehalose than for maltose and sucrose both at low and high wavevector, so highlighting a less extended global energy distribution along the wavevector range for trehalose.
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