A glance into the bulk of solvent polymeric pH membranes

Erno Lindner, R. Gyurcsányi, Bradford D. Pendley

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The pH-sensitive chromoionophores brought the dream of the ion-selective membrane scientist close to realization. With the help of these molecules, one can build pH-sensitive, ion-selective electrodes and look into the bulk of solvent polymeric membranes during potentiometric measurements (spectropotentiometry) and image concentration profiles in situ with high spatial and temporal resolution. The combination of electrochemical and optical information helped to interpret non-idealities in the potentiometric responses, suppress or tailor the undesirable transport across sensor membranes, and estimate the residual lifetime of chronically implanted sensors. These novel opportunities provide feedback in membrane optimizations and are expected to lead to sensor systems with picomolar detection limits and superb selectivities.

Original languageEnglish
Pages (from-to)17-22
Number of pages6
JournalPure and Applied Chemistry
Volume73
Issue number1
Publication statusPublished - 2001

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Membranes
Sensors
Ion selective membranes
Polymeric membranes
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Molecules
Ion-Selective Electrodes

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

A glance into the bulk of solvent polymeric pH membranes. / Lindner, Erno; Gyurcsányi, R.; Pendley, Bradford D.

In: Pure and Applied Chemistry, Vol. 73, No. 1, 2001, p. 17-22.

Research output: Contribution to journalArticle

Lindner, Erno ; Gyurcsányi, R. ; Pendley, Bradford D. / A glance into the bulk of solvent polymeric pH membranes. In: Pure and Applied Chemistry. 2001 ; Vol. 73, No. 1. pp. 17-22.
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