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The figures in this presentation were taken from: Ionic Channels of Excitable Membranes by Bertil Hille (Sinauer) Ion selectivity in membrane permeation.

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Presentation on theme: "The figures in this presentation were taken from: Ionic Channels of Excitable Membranes by Bertil Hille (Sinauer) Ion selectivity in membrane permeation."— Presentation transcript:

1 The figures in this presentation were taken from: Ionic Channels of Excitable Membranes by Bertil Hille (Sinauer) Ion selectivity in membrane permeation by Sally Krasne in “Membrane Physiology” edited by Andreoli, hoffman & Fanestil (Plenum)

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4 Phosphatidylethanolamine Glycerol Dioleate H

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7 Ionic radius (nm) Hydrated radius (nm) Li + 0.0860.307 Na + 0.1120.225 K+K+ 0.1440.163 Rb + 0.1580.157

8 Li + Na + K + Rb + Cs + How many possible sequences? 5 x 4 x 3 x 2 = 120 How many observed?…..11

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