Fluorescence anisotropy as a probe of molecular mobility in a plasticized poly(vinyl chloride) membrane

Autor:	Stuart L. Belli, Yangzhen Ciringh, Michael Del Rosario
Rok vydání:	1992
Předmět:	chemistry.chemical_classification General Chemical Engineering Analytical chemistry General Chemistry Polymer Photochemistry Microviscosity Polyvinyl chloride chemistry.chemical_compound Valinomycin Membrane chemistry Materials Chemistry Membrane fluidity Anisotropy Fluorescence anisotropy
Zdroj:	Chemistry of Materials. 4:827-832
ISSN:	1520-5002 0897-4756
DOI:	10.1021/cm00022a016
Popis:	Steady-state fluorescence anisotropy is shown to monitor the mobility of a small molecule in a plasticzed polymer membrane and yields in formation about the microviscosity in the membrane. The technique was applied to a valinomycin based neutral-carrier K + ion-selective electrode and a relationship was derived expressing the bulk resistance of the membrane in terms of the microviscosity
Databáze:	OpenAIRE
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