Fig. 5.
Calculated deuterium NMR spectra at the critical point of the ternary C–DPPC–DOPC mixture. (Top) No chemical exchange or composition fluctuations, showing peaks due to complexed and free forms of the phospholipid. (Middle) Calculated spectra with chemical exchange, koff = 105 s–1. (Bottom) Calculated spectra including chemical exchange and composition fluctuations at the critical point. At the critical composition the initial mole fraction of C is 0.27, the initial mole fraction of phospholipid is 0.54, and the fraction of phospholipid in complex form (order parameter) is f = 0.74.