TABLE 2.

Analysis of the liquid-expanded phase of monolayers in the absence of magnesium ion

Lipid	n	πc, mN/m	Ac, Å2	A35, Å2	A∞, Å2	f1	q	Cs,35−1, mN/m	ΔV0, mV	μ⊥, mD
POPA	8	n/a	[51.1]	54.7 ± 0.6	40.7 ± 0.2	1.140 ± 0.003	2.246 ± 0.077	137 ± 3	−45 ± 4	531 ± 3
POPS	5	46.8 ± 0.2	52.7 ± 0.3	56.8 ± 0.4	39.3 ± 0.2	1.153 ± 0.002	2.769 ± 0.061	130 ± 1	−13 ± 3	480 ± 5
SOPA	4	n/a	[51.6]	54.8 ± 0.3	42.3 ± 0.2	1.160 ± 0.000	1.941 ± 0.009	[158]	−40 ± 1	534 ± 2
SOPS	8	48.1 ± 0.3	48.0 ± 0.4	52.3 ± 0.3	35.3 ± 0.4	1.158 ± 0.002	2.696 ± 0.054	123 ± 1	−9 ± 2	403 ± 4
SAPA	6	45.1 ± 0.6	52.7 ± 0.3	55.8 ± 0.4	41.7 ± 0.2	1.159 ± 0.005	2.158 ± 0.052	140 ± 3	−8 ± 2	489 ± 8
SAPS	12	45.8 ± 0.2	57.1 ± 1.9	61.8 ± 1.9	38.9 ± 2.6	1.121 ± 0.001	3.455 ± 0.139	117 ± 6	18.1 ±10	442 ± 45
SAPI	4	45.9 ± 0.1	51.5 ± 0.2	55.7 ± 0.3	35.3 ± 0.2	1.141 ± 0.001	3.222 ± 0.030	120 ± 1	−1 ± 1	379 ± 2
SDPA	6	45.4 ± 0.1	55.7 ± 0.3	59.7 ± .2	41.8 ± 0.5	1.124 ± 0.000	2.613 ± 0.064	121 ± 1	12 ± 2	424 ± 5
SDPS	8	44.9 ± 0.2	51.0 ± 0.3	55.1 ± .2	34.1 ± 0.3	1.131 ± 0.001	3.217 ± 0.036	109 ± 1	14 ± 2	315 ± 2