in order to understand the role of surfactant in the mixed micelles , and the interaction of triton x-100 with integral membrane proteins and phospholipid bilayers , both the protein-lipid-surfactant mixed micelles and the detergent-free lipoprotein system were examined from the point of view of particle size and ultrastructure , enzyme activity , tryptophan fluorescence quenching , 31p nmr , and fourier transform infrared spectroscopy .
C0023779
lipid
C0023820
lipoprotein