Fluorescence techniques for the characterization of polymeric membranes whose permeability can be varied in real time

Aryeh M. Weiss; Alan J. Grodzinsky

doi:10.1117/12.951031

Fluorescence techniques for the characterization of polymeric membranes whose permeability can be varied in real time

Aryeh M. Weiss, Alan J. Grodzinsky

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2 Scopus citations

Abstract

Characterization and control of membrane-based separation or drug delivery systems require the development of noninvasive methods for measurement of membrane hydration during the process of interest. In this paper, real time fluorescence methods which were developed in order to study such membrane systems are described, and data which demonstrate their sensitivity and speed are presented. Sensitivity and speed were sufficient that transient phenomena such as diffusion lag time and Donnan distribution effects caused by changes in fixed charge density were well resolved.

Original language	English
Pages (from-to)	36-43
Number of pages	8
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	1038
DOIs	https://doi.org/10.1117/12.951031
State	Published - 5 Jul 1989
Externally published	Yes

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AB - Characterization and control of membrane-based separation or drug delivery systems require the development of noninvasive methods for measurement of membrane hydration during the process of interest. In this paper, real time fluorescence methods which were developed in order to study such membrane systems are described, and data which demonstrate their sensitivity and speed are presented. Sensitivity and speed were sufficient that transient phenomena such as diffusion lag time and Donnan distribution effects caused by changes in fixed charge density were well resolved.

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Fluorescence techniques for the characterization of polymeric membranes whose permeability can be varied in real time

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