Lipid DMPC DOPC References 4 5 Fatty acid structure C14:0 C18:1 Area per lipid molecule (A) (Å2) 60.6 72.5 Inter C-C distance (Å)* 4.39 4.80 Interaction energy U (kJ/mol)† – 0.61 – 0.41 Decrease in interaction energy (kJ/mol)   32.8% *The calculation of the inter C-C distance is from the area per lipid molecule (A) (Å2) †The interaction energy is given by: U=11.5×10-6/r12-5.96×10-3/r6 kJ/mol DMPC: Dimyristoyl-Phosphatidylcholine; DOPC: Dioleoyl-Phosphatidylcholine

Table 1: Experimental data of fully hydrated fluid phase, artificial phosphatidylcholine lipid bilayers.