Measured osmotic pressure for TMAO and TMAO+PEG (20K) mixtures at ambient temperature (23C +/-1)
This data is reproduced from the following reference:
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.
| [TMAO] (m) => | 0.2 | 0.5 | 1 | 1.5 | |
| [PEG, 20K] (wt%) | P(mOsm) | ||||
| 0 | 198.5 | 538.16667 | 1160.6 | 1809.4 | |
| 0.5 | -- | -- | -- | -- | |
| 1.5 | -- | -- | -- | -- | |
| 3 | 214.75 | 592.25 | 1185 | 1965.75 | |
| 6 | 253.75 | 657.5 | 1351.25 | 2163.25 | |
| 10 | 328.5 | 810.75 | 1530.25 | 2345 | |
| 16 | -- | -- | -- | -- | |
| 25 | 949 | 1752.66667 | 2756.5 | -- | |
| fitting parameters for the functional form P=B0 + B1*(Wt%)+ B2*(Wt%)^2 | |||||
| B0 | Value | 199.19281 | 538.29764 | 1143.35194 | 1803.48611 |
| Standard Error | 2.13191 | 5.52393 | 27.7354 | 22.77159 | |
| B1 | Value | 1.89199 | 12.38134 | 21.0872 | 61.94396 |
| Standard Error | 0.50745 | 1.31484 | 6.60178 | 11.01607 | |
| B2 | Value | 1.12375 | 1.44814 | 1.73897 | -0.74124 |
| Standard Error | 0.01865 | 0.04832 | 0.24262 | 1.04188 | |
| Statistics | Adj. R-Square | 0.99994 | 0.99984 | 0.99769 | 0.98982 |