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. 2015 Sep 21;5(3):454–472. doi: 10.3390/membranes5030454

Figure 6.

Figure 6

Molecular volumes for lipids composed of palmitoyl-oleoyl chains and different headgroups. All data corresponds to fluid phase bilayers, with the exception of POPE at 20 °C. The constant offsets between the linear temperature dependence of the different lipids suggest the validity of partially temperature-dependent segmental volumes [51], with headgroup volumes VPC = 331 Å3 [78], VPG = 291 Å3 [79], VPS = 278 Å3 [31], and VPE = 245Å3 [32].