Table 1 Stretch exponent β and relaxation time τ1 for various stabilizers at air-water (a/w) or oil-water (o/w) interfaces; C (mg/ml) denotes the concentration of the stabilizer in the bulk phase.
From: Dynamic heterogeneity in complex interfaces of soft interface-dominated materials
Stabilizer | C (g/l) | Type of interface | Expansion | Compression | Ref. | ||
|---|---|---|---|---|---|---|---|
β | τ1(s) | β | τ1(s) | ||||
Nanospheres (NS) | 0.5 | o/w | 0.55 | 19.5 | 1 | 62.9 | — |
Big nanospheres (BNS) | 0.5 | o/w | 0.66 | 10.7 | 1 | 34.1 | — |
Nanotubes | 0.5 | o/w | 0.68 | 17.2 | 0.85 | 29.0 | — |
Cross-linked nanotubes | 0.5 | o/w | 0.54 | 12.1 | 1 | 68.0 | — |
Cross-linked NS | 0.5 | o/w | 0.63 | 19.2 | 1 | 12.0 | — |
Cross-linked BNS | 0.5 | o/w | 0.58 | 14.8 | 1 | 17.0 | — |
WPI (native) 10% Δ | 20.0 | a/w | 0.56 ± 0.04 | 19.6 ± 1.1 | 0.69 ± 0.01 | 20.0 ± 2.2 | — |
WPI (native) 20% Δ | 20.0 | a/w | 0.54 ± 0.04 | 13.7 ± 1.2 | 0.60 ± 0.01 | 17.2 ± 0.6 | — |
WPI aggregates 10% Δ | 20.0 | a/w | 0.52 ± 0.02 | 20.3 ± 4.3 | 0.57 ± 0.00 | 23.8 ± 1.3 | — |
WPI aggregates 20% Δ | 20.0 | a/w | 0.55 ± 0.03 | 16.5 ± 1.7 | 0.59 ± 0.02 | 17.3 ± 1.9 | — |
PPI (native) | 0.5 | a/w | 0.42 ± 0.06 | 17.9 ± 9.1 | 0.73 ± 0.07 | 18.0 ± 6.2 | — |
PPI (24 hour ox.) | 0.5 | a/w | 0.59 ± 0.10 | 19.1 ± 4.3 | 0.56 ± 0.21 | 30.9 ± 19.8 | — |
P4HS | a) | a/w | — | — | ~0.5 | ~100 | 17 |
PMMA | a) | a/w | — | — | 0.5–0.6 | 103–104 | 18 |
β-lactoglobulin pH 8.3 | a) | a/w | — | — | ~0.6 | 500–2000 | 19 |
β-lactoglobulin pH 6.0 | a) | a/w | ~0.6 | 500–1000 | 19 | ||
β-casein pH 8.3 | a) | a/w | — | — | 0.5–0.7 | ~1000 | 19 |
Polyglycerol ester (PGE) | 0.1 | a/w | — | — | 0.6 ± 0.1 | 243 ± 67 | 20 |
E-coli lipids + FtsZ-ZipA | a) | a/w | — | — | <1 | ~100 | 21 |
