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Changes in the wavenumber of the CH2 symmetric stretch (•) and CD2 asymmetric stretch (○) as a function of temperature during cooling of DLPC:DSPCd-70 1:1 mixtures, air-dried in the absence (A) and presence (B) of trehalose (5:1 sugar:lipid); first derivative CH2 (—); and first derivative CD2 (− −).
