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  • Title: Temperature-dependent morphological and phase behavior of sphingomyelin.
    Author: Hui SW, Stewart TP, Yeagle PL.
    Journal: Biochim Biophys Acta; 1980 Sep 18; 601(2):271-81. PubMed ID: 7407170.
    Abstract:
    Aqueous dispersions of bovine brain sphingomyelin were studied as a function of temperature. 31P-NMR, X-ray diffraction, and negative-stain and freeze-fracture electron microscopy were used to determine the morphology and phase structure at several temperatures. 31P-NMR indicated a change in phase structure with an increase in temperature. Evidence was found only for the lamellar phase at all temperatures studied with X-ray diffraction. Electron microscopy unexpectedly revealed the spontaneous development of small unilamellar vesicles at elevated temperatures, consistent with the 31P-NMR data, in the absence of any outside disturbances.
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