FIGURE 10.

(A) Monolayer compression isotherms of pure DPPC, pure CM-EO₁₆, and binary mixtures of 95:5, 9:1, 8:2, 6:4, and 4:6 mol ratio DPPC/CM-EO₁₆ at 30°C. CM-EO₁₆ was deposited at a surface pressure of 5 mN/m. (B) Surface pressure at which condensed (C) domains appear in monolayers composed of DPPC and CM-EO₁₆, plotted as a function of CM-EO₁₆ concentration. (C) Mean area per molecule in mixed monolayers of DPPC and CM-EO₁₆ at surface pressures of 10, 20, and 30 mN/m plotted as a function of the percentage of CM-EO₁₆ in the monolayer. The solid lines represent values calculated by the additivity rule and correspond to ideal mixtures. Dashed lines are added to guide the eye.