1. Ionic selectivity, saturation, and block in gramicidin a channels

   • Erwin Neher
   • John Sandblom
   • George Eisenman

   OriginalPaper Pages: 97 - 116

2. Equilibrium binding of calcium to fragmented human red cell membranes and its relation to calcium-mediated effects on cation permeability

   • Hartmut Porzig
   • Daniel Stoffel

   OriginalPaper Pages: 117 - 142

3. Transport of organic anions through the erythrocyte membrane as K⁺-valinomycin complexes

   • G. V. Marinetti
   • A. Skarin
   • P. Whitman

   OriginalPaper Pages: 143 - 155

4. Biological and artificial ion exchangers: Electrical measurements with glass microelectrodes

   • F. Lacaz Vieira
   • M. I. Onuchic

   OriginalPaper Pages: 157 - 164

5. Cellular changes in the toad urinary bladder in response to metabolic acidosis

   • Loy W. Frazier

   OriginalPaper Pages: 165 - 177

6. Microviscosity of mucosal cellular membranes in toad urinary bladder: Relation to antidiuretic hormone action on water permeability

   • Barry R. Masters
   • Juan Yguerabide
   • Darrell D. Fanestil

   OriginalPaper Pages: 179 - 190

7. Reflection coefficients in red cells

   • Jeffrey D. Owen

   Letter to the Editors Pages: 191 - 191