Session 1 Thermodynamics and Electrochemistry of Membrane Transport.- Permeation through Ion-Exchange Membranes.- Transport Processes across Membranes with Narrow Pores.- Coupling of Mass Transfer and Chemical Reaction across an Asymmetric Sandwich Membrane.- Multiple Steady States in a Reaction-Diffusion Coupled System.- On the Problem of Nonstationary Ion Fluxes.- The Influence of Double Layer Effects on Chemical Reactions at Charged Interfaces.- Round Table Discussion 1.- Session 2 Water Transport and Osmotic Processes.- A Study of Transcellular Osmosis and the Kinetics of Swelling and Shrinking in Cells of Chara corallina.- Hydraulic Conductivity and Volumetric Elastic Modulus in Giant Algal Cells: Pressure-and Volume-Dependence.- Turgor Pressure Regulation in Algal Cells: Pressure-Dependence of Electrical Parameters of the Membrane in Large Pressure Ranges.- Turgor Pressure Regulation: Modulation of Active Potassium Transport by Hydrostatic Pressure Gradients.- The Location and Measurement of the Resistances to Bulk Water Movement in the Shoots of Hemlock (Tsuga canadensis).- Osmoregulation in Ochromonas.- Osmoregulation Mechanism in the Halophilic Alga Dunaliella parva.- The Role of Malic Acid Fluxes in Regulation of Crassulacean Acid Metabolism (CAM): Osmoregulation of Efflux at the Tonoplast.- Round Table Discussion 2.- Session 3 Electrical Properties of Membranes.- Proton Pumping and Generalized Energetics of Transport: A Review.- Light-Dependent Changes of Membrane Potential and Conductance in Riccia fluitans.- Changes in Transport Determining Electrical Parameters of Cell and Chloroplast Membranes Associated with Primary and Associated Photosynthetic Reactions.- Current-Voltage Relationship of the Electrogenic Pump in Acetabularia mediterranea.- Preliminary Results of an Approach to the Quantitative Description of the Action of Light on the Membrane Potential of Nitella.- Dielectric Breakdown of Cell Membranes.- The Effect of pH on the Low Frequency CapaclÓÂ