In situ surface functionalization of plasticized poly(vinyl chloride) membranes by 'click chemistry'

M Pawlak; G Mistlberger; Eric Bakker

doi:10.1039/c2jm31118f

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In situ surface functionalization of plasticized poly(vinyl chloride) membranes by 'click chemistry'

Journal article

Open access

Peer reviewed

In situ surface functionalization of plasticized poly(vinyl chloride) membranes by 'click chemistry'

M Pawlak, G Mistlberger and Eric Bakker

Journal of Materials Chemistry, Vol.22(25), pp.12796-12801

2012

DOI: https://doi.org/10.1039/c2jm31118f

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Abstract

ion-selective electrodes

oxide release polymers

blood compatibility

We report here for the first time a universal method to achieve a covalent surface modification of plasticized poly(vinyl chloride) (PVC). A copper(I)-catalyzed azide-alkyne cycloaddition ('click chemistry') is performed on plasticized PVC containing partial azide substitutions. This surface modification is performed under mild conditions after membrane casting and is likely to be generally applicable to electrochemical and optical sensors. The concept is illustrated by attaching fluorescein and sulfonated Nile blue derivatives, as well as tetraethylene glycol to the membrane surface. Characterization by confocal microscopy, ATR-IR, QCM, UV/Vis spectroscopy and pulsed chronopotentiometry supports the surface modification procedure. As an initial example of practical utility, tetraethylene glycol modification is shown to significantly reduce surface adsorption by albumin, as evidenced by QCM and electrochemical experiments.

Details

Title: In situ surface functionalization of plasticized poly(vinyl chloride) membranes by 'click chemistry'
Authors: M Pawlak (Author) - University of Geneva, Switzerland
G Mistlberger (Author) - University of Geneva, Switzerland
Eric Bakker (Author) - University of Geneva, Switzerland
Publication details: Journal of Materials Chemistry, Vol.22(25), pp.12796-12801
Publisher: Royal Society of Chemistry (R S C) Publications
Date published: 2012
DOI: 10.1039/c2jm31118f
ISSN: 0959-9428
Copyright note: Copyright © 2012 The Royal Society of Chemistry. The author accepted version is reproduced here in accordance with the copyright policy of the publisher. The definitive version is available at http://pubs.rsc.org/en/journals/.
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450377302621
Output Type: Journal article

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Web Of Science research areas: Chemistry, Physical; Materials Science, Multidisciplinary