Ion-Transport Properties of Ionophores in Asymmetric Membranes

Autor:	Werner E. Morf, Wilhelm Simon, Heidi Ruprecht
Rok vydání:	1985
Předmět:	Chemistry Bilayer Organic Chemistry Potentiometric titration Ionophore Plasticizer Electrodialysis Biochemistry Catalysis Ion Inorganic Chemistry Membrane Chemical engineering Drug Discovery Organic chemistry Physical and Theoretical Chemistry Ion transporter
Zdroj:	Helvetica Chimica Acta. 68:2312-2323
ISSN:	1522-2675 0018-019X
DOI:	10.1002/hlca.19850680826
Popis:	The selectivity and the permeability of neutral-carrier-based membranes for substrate ions not only depend on the complexation behavior of the ionophores used, but also on their environment. In asymmetric membranes, ionophores may generally exhibit asymmetric transport properties. Such asymmetric bulk membranes were prepared from two PVC half-membranes incorporating synthetic cation-carriers in different plasticizers. The results of potentiometric and electrodialytic studies are discussed on the basis of a theoretical analysis of the carrier-mediated electrical properties of asymmetric bulk and bilayer membranes.
Databáze:	OpenAIRE
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