IUBio

membrane potential class demonstration

Kevin Quinn k-quinn at nwu.edu
Tue Dec 3 13:25:34 EST 1996


I'm interested in developing an in-class demonstration of the resting
membrane potential of a cell and was wondering if anyone has ever
developed such a demonstration.  This is for a class in physiological
psychology that I will be teaching (lecture only - no lab).  Ideally it
would be accomplished with very simple materials - to make the point about
a semipermeable membrane and the right ion distribution really resulting
in a voltage gradient!  If anyone has suggestions for what may have worked
for them in the past I'd be most grateful.



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