Membranes structure-property

Heitner-Wirguin, C. (1996). Recent advances in perfluorinated ionomer membranes Structure, properties and applications, J. Membrane Sci. 120, 1. 

Membrane structural properties may depend strongly on the thermal history of the material, affecting, in turn, the transport properties. Following exposure of the ionomeric membrane to different thefmal/hydration conditions, a range of metastable structures could arise, each associated with a different water content, cluster size, and cluster connectivity. Consequently, as discussed below, thermal pretreatment effects... 

E.J. Roche, M. Pineri and R. Duplessix, Phase separation in perfluorosulfonic ionomer membrane, J. Polym. Sci., Polym. Phys. Ed., 1982, 20, 107-116 C. Heitner-Wirguin, Recent advances in perfluorinated ionomer membranes structure, properties and application, J. Membr. Sci., 1996, 120, 1-33 G. Gebel and J. Lambard, Small-angle scattering study of water-swollen perfluorinated ionomer membranes, Macromolecules,... 

Silica aerogels in membrane structures - properties and principles of utilisation... 

D.-Y. Park, P.A. Kohl, H.W. Beckham, Anion-conductive multiblock aromatic copolymer membranes structure-property relationships, J. Phys. Chem. C 117 (2013) 15468-15477. 

Structural and Transport Properties of Perfluorinated Ion-Exchange Membranes Structural Properties of Membrane lonomers... 

Finally, let us discuss the adsorption isotherms. The chemical potential is more difficult to evaluate adequately from integral equations than the structural properties. It appears, however, that the ROZ-PY theory reflects trends observed in simulation perfectly well. The results for the adsorption isotherms for a hard sphere fluid in permeable multiple membranes, following from the ROZ-PY theory and simulations for a matrix at p = 0.6, are shown in Fig. 4. The agreement between the theoretical results and compu-... 

Structural Properties of Membrane lonomers Mauritz, K. A. Hopfinger, A. J. 14... 

The number of different proteins in a membrane varies from less than a dozen in the sarcoplasmic reticulum to over 100 in the plasma membrane. Most membrane proteins can be separated from one another using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), a technique that has revolutionized their study. In the absence of SDS, few membrane proteins would remain soluble during electrophoresis. Proteins are the major functional molecules of membranes and consist of enzymes, pumps and channels, structural components, antigens (eg, for histocompatibility), and receptors for various molecules. Because every membrane possesses a different complement of proteins, there is no such thing as a typical membrane structure. The enzymatic properties of several different membranes are shown in Table 41-2. 

M., La Rotonda, M. L, Testa, B. Structural properties governing retention mechanisms on immobilized artificial membrane (lAM) HPLC columns. Helv. Chim. Acta 2002, 85, 519-532. 

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