Table 1.
Temperature dependence of lipid volumes (Å3) and volume thermal expansivities αTV = (∂V/∂T)Π/V × 10^4 K–1 for fluid phase PG bilayers. A volume uncertainty of 0.3% was estimated based on densitometry measurements before and after sample dilution.
| 20 °C |
30 °C |
40 °C |
50 °C |
60 °C |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| V | α T V | V | α T V | V | α T V | V | α T V | V | α T V | |
| DLPG | 945.9 | 6.3 ± 1.0 | 953.6 | 6.3 ± 1.0 | 957.1 | 6.3 ± 0.9 | 962.4 | 6.2 ± 0.9 | 971.5 | 6.2 ± 0.9 |
| DMPG | 1011.4 | NA | 1057.4 | 7.5 ± 1.4 | 1065.5 | 7.4 ± 1.3 | 1074.0 | 7.4 ± 1.3 | 1080.9 | 7.3 ± 1.3 |
| DPPG | 1106.8 | NA | 1116.5 | NA | 1145.7 | NA | 1188.8 | 7.8 ± 4.3 | 1198.1 | 7.8 ± 4.2 |
| DSPG | 1191.4 | NA | 1203.4 | NA | 1213.7 | NA | 1234.5 | NA | 1305.0 | NA |
| POPG | 1201.9 | 9.0 ± 1.0 | 1208.7 | 9.0 ± 1.0 | 1222.9 | 8.9 ± 1.0 | 1233.7 | 8.8 ± 0.9 | 1243.6 | 8.7 ± 0.9 |
| SOPG | 1265.5 | 6.2 ± 1.0 | 1272.8 | 6.2 ± 1.0 | 1280.3 | 6.2 ± 0.9 | 1288.6 | 6.1 ± 0.9 | 1297.1 | 6.1 ± 0.9 |
| DOPG | 1257.5 | 6.2 ± 1.0 | 1265.0 | 6.1 ± 1.0 | 1272.8 | 6.1 ± 1.0 | 1281.0 | 6.0 ± 0.9 | 1288.2 | 6.0 ± 0.9 |