Table 3. Glutamate diffusion at AMPA and mGluR2 receptors.
| Glutamate diffusion parameter | AMPA synapse | mGluR2 synapse |
|---|---|---|
| Molecules released (#) | 3e6 | 3e5 |
| Distance (nm) | 750 | 1750 |
| Diffusion coefficient (cm2/s) | 0.33 | 0.33 |
| Tortuosity | 1.55 | 1.55 |
| Volume fraction | 0.21 | 0.21 |
| Ambient glutamate (mM) | 0.005 | 0 |