Table 3. Parking Area and Interaction Area for Each System Described in Table 2.

system	name	parking area (Å2)	interaction area (nm2)
Surfactant	SDS	57 ± 2	0.2 ± 0.3
PS-SO4–	PS-SDS free	187 ± 2	47 ± 1
	PS-4-SDS	61 ± 1	0.2 ± 0.3
	PS-9-SDS	80 ± 1	7 ± 2
PS-CO2–	O1–4-SDS	60 ± 1	0.2 ± 0.3
	O1–9-SDS	66 ± 1	5 ± 2
	O2–4-SDS	68 ± 1	5 ± 1
	O2–9-SDS	81 ± 1	6 ± 3
	O3–4-SDS	75 ± 1	11 ± 4
	O3–9-SDS	95 ± 2	19 ± 2
	O4–4-SDS	93 ± 1	36 ± 2
	O4–9-SDS	129 ± 2	41 ± 3