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. Author manuscript; available in PMC: 2010 Oct 27.
Published in final edited form as: Langmuir. 2002 Jan 8;18(1):231–238. doi: 10.1021/la010937t

Figure 1.

Figure 1

(A) Surface pressure vs cross-sectional molecular area (π-A) and (B) dipole potential vs cross-sectional molecular area (ΔV-A) isotherms for N-14:0 DMPE and DMPE. Data were collected at 24 °C as described under Materials and Methods. Arrows indicate regions of higher order transitions for N-14:0 DMPE and DMPE. DMPE (solid line); N-14:0 DMPE (dashed-dotted line); N-14:0 DMPE + 2 mM CaCl2 (dotted line).