Trimethylamine N-oxide (TMAO) osmotic pressure at 25 degrees Celsius
References
Please cite the following references when using this data.
a - Sukenik, Shahar, Shaked Dunsky, Avishai Barnoy, Ilan Shumilin, and Daniel Harries. “TMAO mediates effective attraction between lipid membranes by partitioning unevenly between bulk and lipid domain.” Physical Chemistry Chemical Physics 19 (2017): 29862-29871.
b - Shakhman, Yuri, Ilan Shumilin, and Daniel Harries. "Urea counteracts trimethylamine N-oxide (TMAO) compaction of lipid membranes by modifying van der Waals interactions." Journal of Colloid and Interface Science 629 (2023): 165-172. https://doi.org/10.1016/j.jcis.2022.08.123.
| Sukenik et al.a | Shakhman et al.b | ||
| [TMAO], mol/kg | Osmolality, Osmolal | [TMAO], mol/kg | Osmolality, Osmolal |
| 0.2 | 0.199 | 0.050 | 0.051 |
| 0.5 | 0.539 | 0.050 | 0.049 |
| 1 | 1.161 | 0.150 | 0.145 |
| 1.5 | 1.810 | 0.150 | 0.150 |
| 0.250 | 0.252 | ||
| 0.250 | 0.256 | ||
| 0.301 | 0.306 | ||
| 0.400 | 0.424 | ||
| 0.400 | 0.422 | ||
| 0.402 | 0.414 | ||
| 0.550 | 0.601 | ||
| 0.550 | 0.594 | ||
| 0.700 | 0.780 | ||
| 0.700 | 0.774 | ||
| 0.850 | 0.964 | ||
| 0.850 | 0.959 | ||
| 1.000 | 1.157 | ||
| 1.000 | 1.149 | ||
| 1.200 | 1.373 | ||
In this TMAO molal (m) concentration range, the following quadratic polynom adequately reproduces the osmotic pressure:
Osmolality = 0.1305*m^2 + 1.0121*m