A Technique for Producing an Artificial Biological Membrane Suitable for Diffusion Studies

  • George B. Delancey
  • Regis R. Stana
  • S. H. Chiang
Conference paper

Abstract

A technique for investigating the diffusion properties of an artificial biological membrane, protein-lipid-protein, under static and dynamic conditions is discussed. Experimental data on the relative permeability of the membrane to manganous chloride, potassium chloride, sodium chloride, and ammonia in aqueous solutions are presented. The results indicate that manganous chloride and ammonium hydroxide diffuse through the membrane more rapidly than potassium chloride or sodium chloride, while the latter two species exhibit approximately the same overall mass transfer coefficients. It reveals the fact that such an artificial membrane is offering a degree of preferential selectivity which seems to be dependent on the electrical properties rather than on the molecular transfer coefficient of the diffusant. This characteristic is found in conformity with that of natural biological membranes.

Keywords

Mass Transfer Coefficient Ammonium Hydroxide Droplet Diameter Test Column Lipid Layer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1967

Authors and Affiliations

  • George B. Delancey
    • 1
  • Regis R. Stana
    • 1
  • S. H. Chiang
    • 1
  1. 1.Department of Chemical EngineeringUniversity of PittsburghPittsburghUSA

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