A dual K+-Na+ selective prussian blue nanotubes sensor

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A dual K+-Na+ selective prussian blue nanotubes sensor

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Title: A dual K+-Na+ selective prussian blue nanotubes sensor
Author: Ang, Jin Qiang; Nguyen, Binh Thi Thanh; Toh, Chee-Seng
Copyright year: 2011
Abstract: A strategy for dual sensing of Na+ and K+ ions using Prussian blue nanotubes via selective inter/deintercalation of K+ ion and competitive inhibition by Na+ ion, is reported. The analytical signal is derived from the cyclic voltammetry cathodic peak position Epc of Prussian blue nanotubes. Na+ and K+ levels in a sample solution can be determined conveniently using one Prussian blue nanotubes sensor. In addition, this versatile method can be applied for the analysis of single type of either Na+ or K+ ions. The dual-ion sensor response towards Na+ and K+ can be described using a model based on the competitive inhibition effects of Na+ on K+ inter/deintercalation in Prussian blue nanotubes. Successful application of the Prussian blue nanotubes sensor for Na+ and K+ determination is demonstrated in artificial saliva.
Subject: DRNTU::Science::Chemistry::Biochemistry.
Type: Journal Article
Series/ Journal Title: Sensors and actuators B: chemical
School: School of Physical and Mathematical Sciences
Related Organization: Ministry of Education Research Fund
Rights: © 2011 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Sensors and Actuators B: Chemical, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1016/j.snb.2011.04.076].
Version: Accepted version

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