Permeability coefficient (cm.s-1) of natural and synthetic membranes to D-Glucose and D-mannitol at 25oC.
| Membrane Preparation | D-Glucose | D-Mannitol |
| Synthetic Lipid Bilayer | 2.4 x 10-10 | 4.4 x 10-11 |
| Calculated Passive Diffusion | 4 x 10-9 | 3 x 10-9 |
| Intact Human Erytrhocyte (red blood cell) | 2.0 x 10-4 | 5 x 10-9 |