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

Aryeh M. Weiss, Alan J. Grodzinsky

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Pages (from-to)36-43
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume1038
DOIs
StatePublished - 5 Jul 1989
Externally publishedYes

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