Biomedical Engineering: Bridging Medicine and Technology 1st Edition by Veronique Tran,Mark Saltzman

Exercise 18

Estimate the flux (mg/cm2/s) by diffusion of a steroid through a lipid bilayer membrane. Assume the diffusion coefficient for steroid in the lipid bilayer is 10−6 cm2/s, and that the concentration is 1 ng/mL on the outside of the membrane and 0 on the inside.