Table 1.
Fos-10 up-concentration in the NMR sample (V in Fig. 1) observed when using different centrifugal devices and different temperatures for the sample preparation.a
| Device\MWCOb | 10 kDa | 30 kDa | 50 kDa | 100 kDa | |
|---|---|---|---|---|---|
| Vivaspin (polyethersulfone, PES) | 4 °C 25 °C |
5.5 4.9 |
4.2 3.2 |
3.6 1.5 |
1 1 |
| Amicon (regenerated cellulose, C) | 4 °C | 5.9 | 4.6 | 3.9 | 1 |
a
The numbers in the Table represent the ratio of the Fos-10 concentrations in the solution V of Fig. 1 and in the NMR buffer.
b
MWCO is the molecular weight cut-off of the centrifugal filter device