Diffusion through a Membrane

Learning Outcomes

After completing this module you should be able to:

  • Apply the diffusion equations to movement of a substance across a membrane which is selectively permeable.


1: Review of diffusion equations
2: The two-compartment model
3: What does continuous mean?
4: Examples of permeability
5: A formula for permeability
6: The area of the membrane
7: The final equations
8: Rate of flux
9: A metaphor
10: Continuous curves
11: Discrete curves
12: Iterating the discrete curve
13: Summary