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Purpose The purpose of this study is to characterize the freezing behavior of mannitol in ethanol–water co-solvent systems in comparison with the corresponding aqueous solution. Methods Subambient differential scanning calorimetry (DSC) and microscopy techniques were used to investigate the freezing behavior of mannitol in aqueous solutions and in ethanol–water co-solvent systems. Results The...
Purpose To investigate the local and global mobility in amorphous sucrose and trehalose and their potential implications on physical stability. Methods Amorphous sucrose was prepared by lyophilization while amorphous trehalose was prepared by dehydration of trehalose dihydrate. The variation in the effective activation energy of α-relaxation through glass transition has been determined by applying...
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