Journal for Biophysical Chemistry
From: X-ray and neutron investigation of self-assembled lipid layers on a titanium surface
Sample | Material | Thickness, Å | SLD,10-6Å-2 | Roughness, Å | Solvent volume fraction, % |
---|---|---|---|---|---|
Ti crystal before heating vs D2O | Si | None | 2 | None | 0 |
SiO2 | 40±2 | 3.4 | 8±4 | 0 | |
Ti | 368±3 | −1.96 | 12±2 | 0 | |
TiO2 | 24±2 | 2.4 | 13±2 | 0 | |
Subphase layer | None | 6.36 | 15±5 | ||
D2O | None | 6.36 | 0 | ||
Ti crystal after heating vs D2O | Si | None | 2 | None | 0 |
SiO2 | 40±5 | 3.4 | 8±4 | 0 | |
Ti | 357±2 | −1.96 | 12±2 | 0 | |
TiO2 | 38±3 | 2.4 | 13±2 | 12±5 | |
D2O | None | 6.36 | 13 | ||
OPA coated Ti crystal vs D2O | Si | None | 2 | None | 0 |
SiO2 | 40±5 | 3.4 | 8±4 | 0 | |
Ti | 357±2 | −1.96 | 12±2 | 0 | |
TiO2 | 40±5 | 2.9 | 13±2 | 12±5 | |
OPA layer | 24±1 | −0.3 | 12±2 | 12±5 | |
Gradient layer | 60±10 | 6.36 | 60±10 | ||
D2O | None | 6.36 | 0 | ||
Ti+OPA+POPE+2x POPE bilayer vs D2O- H2O mixture (80–20) | Si | None | 2 | None | 0 |
SiO2 | 40±5 | 3.4 | 8±4 | 0 | |
Ti | 357±2 | −1.96 | 12±2 | 0 | |
TiO2 | 40±5 | 2.9 | 13±2 | 12±5 | |
OPA | 24±1 | −0.3 | 12±2 | 12±5 | |
Chain’s group region 1 | 17±2 | 1.5±0.4 | 12±4 | 32±5 | |
Head’s group region 1 | 16±2 | 2.6±0.4 | 5±2 | 32±5 | |
Chain’s group region 2 | 34±3 | 2.2±0.4 | 10±3 | 53±5 | |
Head’s group region 2 | 8±1 | 3.4±0.4 | 5±3 | 53±5 | |
Gradient layer | 60 | 4.9 | 60 | ||
D2O | None | 4.9 | 0 | ||
Ti+OPA+POPE+2x POPE vs H2O | Si | None | 2 | None | 0 |
SiO2 | 40±5 | 3.4 | 8±4 | 0 | |
Ti | 357±2 | −1.96 | 12±2 | 0 | |
TiO2 | 40±5 | 2.9 | 13±2 | 12±5 | |
OPA | 24±1 | −0.3 | 12±2 | 12±5 | |
Chain’s group region 1 | 17±2 | −0.3±0.4 | 12±4 | 32±5 | |
Head’s group region 1 | 16±2 | 1.2±0.4 | 5±2 | 32±5 | |
Chain’s group region 2 | 34±3 | −0.4±0.1 | 10±3 | 53±5 | |
Head’s group region 2 | 8±1 | 0.5±0.3 | 5±3 | 53±5 | |
Gradient layer | 60 | −0.5 | 60 | ||
D2O | None | −0.5 | 0 |