Table 1.
Effect of different ethanol concentrations on lipid membrane mechanical parameters
| Concentration (vol:vol) | Puncture force (nN) | Bilayer thickness (nm) |
Young’s modulus (MPa) |
Area stretch modulus (mN/m) |
Bending stiffness (10−19J) |
||||
|---|---|---|---|---|---|---|---|---|---|
| Case 1 | Case 0 | Case 1 | Case 0 | Case 1 | Case 0 | Case 1 | Case 0 | ||
| 0% | 1.00 ± 0.17 | 5.7 ± 0.5 | 15.2 ± 4.0 | 116 ± 35 | 1.56 ± 0.23 | ||||
| 10% | 0.91 ± 0.17 | 3.9 ± 0.7 | 4.7 ± 0.7 | 8.1 ± 2.2 | 12.2 ± 3.5 | 43 ± 10 | 78 ± 18 | 0.29 ± 0.08 | 0.76 ± 0.18 |
| 20% | 0.74 ± 0.20 | 3.6 ± 0.8 | 4.3 ± 0.7 | 7.3 ± 2.3 | 11.0 ± 1.3 | 28 ± 17 | 68 ± 10 | 0.18 ± 0.08 | 0.55 ± 0.21 |
| 40% | 0.31 ± 0.13 | 2.9 ± 0.8 | 3.8 ± 0.5 | 2.7 ± 1.6 | 5.5 ± 2.7 | 13 ± 5 | 30 ± 10 | 0.06 ± 0.03 | 0.20 ± 0.07 |
See main text for details.