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Issue 35, 2014
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Potassium-selective optical microsensors based on surface modified polystyrene microspheres

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Abstract

Ion-selective microspheres based on surface modification of polystyrene particles (0.8 and 2.4 μm, diameter) are presented here for the first time. The traditional lipophilic sensing components of K+ selective optodes (chromoionophore, ion-exchanger and ionophore) are adsorbed on the surface of the polystyrene particles using a simple mixed solvent method. The resulting microparticles respond to K+ in an exhaustive sensing mode with excellent selectivity and rapid response time (t95% = 5 s).

Graphical abstract: Potassium-selective optical microsensors based on surface modified polystyrene microspheres

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Supplementary files

Article information


Submitted
19 Feb 2014
Accepted
13 Mar 2014
First published
14 Mar 2014

Chem. Commun., 2014,50, 4592-4595
Article type
Communication
Author version available

Potassium-selective optical microsensors based on surface modified polystyrene microspheres

X. Xie, G. A. Crespo, J. Zhai, I. Szilágyi and E. Bakker, Chem. Commun., 2014, 50, 4592
DOI: 10.1039/C4CC01313A

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