Accurate non-invasive determination of pKa of surface functionalised ion exchange monoliths using capacitively coupled contactless conductivity detection

Eoin Gillespie; Damian Connolly; Pavel N. Nesterenko; Brett Paull

doi:10.1039/B803349H

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Accurate non-invasive determination of pK_a of surface functionalised ion exchange monoliths using capacitively coupled contactless conductivity detection†

Eoin Gillespie,^a Damian Connolly,^a Pavel N. Nesterenko^c and Brett Paull*^ab

Author affiliations

* Corresponding authors

^a Centre for Bioanalytical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
E-mail: brett.paull@dcu.ie
Fax: +353 1 7005503
Tel: +353 1 7005060

^b National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland

^c Australian Centre for Research on Separation Science, University of Tasmania, Hobart, Tasmania, Australia

Abstract

The use of on-column capacitively coupled contactless conductivity detection for the accurate non-invasive visualisation of the pH dependence of covalently bound boronic acid groups within a monolithic polymeric capillary column is demonstrated.

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Supplementary files

Reagents and instrumentation; simplified synthetic approach to boronic acid functionalisation PDF (105K)

Article information

DOI: https://doi.org/10.1039/B803349H
Article type: Communication
Submitted: 26 Feb 2008
Accepted: 27 Mar 2008
First published: 03 Apr 2008

Download Citation

Analyst, 2008,133, 874-876

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Accurate non-invasive determination of pK_a of surface functionalised ion exchange monoliths using capacitively coupled contactless conductivity detection

E. Gillespie, D. Connolly, P. N. Nesterenko and B. Paull, Analyst, 2008, 133, 874 DOI: 10.1039/B803349H

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