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. 2024 Jan 25;12:RP88321. doi: 10.7554/eLife.88321

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