Table 1. Parameters Obtained from Fits of XRR Data from RaLPS Monolayers Deposited at the Air/Liquid Interface of a 20 mM HEPES Buffered Solution Subphase Containing either 5 mM CaCl2 or 3 mM EDTA.
RaLPS
monolayer on Ca2+ containing subphase |
RaLPS
monolayer on EDTA containing subphase |
|||||
---|---|---|---|---|---|---|
layer | thickness/Å | roughness/Å | ρ/10-6 Å-2 | thickness/Å | roughness/Å | ρ/10-6 Å-2 |
tails | 13.8 ± 0.1 | 4.4 ± 0.1 | 9.83 ± 0.1 | 12.7 ± 0.2 | 4.9 ± 0.1 | 10.7 ± 0.1 |
inner core oligosaccharide | 23.5 ± 0.5 | 2.5 ± 0.1 | 14.0 ± 0.1 | 21.2 ± 0.5 | 1.8 ± 0.2 | 13 ± 0.1 |
outer core oligosaccharide | 8.6 ± 0.5 | 4.7 ± 0.4 | 10.25 ± 0.1 | 8.5 ± 0.2 | 3.7 ± 0.5 | 10.6 ± 0.2 |