Table 3. Structural Parameters Obtained for an Asymmetrically Deposited DPPC (inner leaflet):E. coli RaLPS (outer leaflet) Bilayer Deposited on a Silicon Surface in the Presence of a 20 mM HEPES pH/D 7.2, 3 mM EDTA Solution.
| layer | thickness/Å | % DPPC | % RaLPS | % water | roughness/Å |
|---|---|---|---|---|---|
| silicon oxide | 13.9 ± 5.0 | N/A | N/A | 12 ± 2 | 2.9 ± 0.2 |
| inner headgroup | 15.4 ± 4.0 | – | – | – | bilayer roughness 8.4 ± 1.2 |
| inner tails | 15.9 ± 1.0 | 59 ± 4 | 37 ± 4 | 4 ± 4 | |
| outer tails | 11.0 ± 5.0 | 32 ± 5 | 63 ± 5 | 4 ± 5 | |
| core oligosaccharide (outer headgroup) | 28.4 ± 1.0 | – | – | – |