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. Author manuscript; available in PMC: 2008 Dec 30.
Published in final edited form as: Methods Mol Biol. 2007;398:41–58. doi: 10.1007/978-1-59745-513-8_5

Fig. 1.

Fig. 1

Langmuir-type surface balance for determining the surface pressure and surface potential as a function of average cross-sectional molecular area. γ is the surface tension of surface occupied by lipid amphiphile and γ0 is the surface tension of clean aqueous subphase.