Abstract
The miniaturization of potentiometric sensors is developing only slowly. ISFET technology has not yet brought great breakthroughs in this respect. Potentiometric microelectrode arrays are developed however for DNA analysis. As potentiometry moves into new and unexpected applications such as biomolecules, multiply charged molecules, DNA, marker proteins, viruses and bacteria, dissolution testing..., the need for miniaturized sensors and arrays will grow. Possibly, planar screen printed electrodes can be applied. Use of the electrodes in hydrodynamic conditions may be needed. The use of FIA and HPLC for rapid screening of electrode compositions is explained. This provides new insights into these chemically dynamic sensor systems, and into the interaction of organic ionic molecules with surfaces.
Current Pharmaceutical Analysis
Title: Potentiometric Sensors for Organic Analytes: Insights to Proceed to Miniaturization
Volume: 5 Issue: 2
Author(s): Luc J. Nagels, Bert Vissers, Hugo Bohets, Joseph Everaert and Johan Robbens
Affiliation:
Abstract: The miniaturization of potentiometric sensors is developing only slowly. ISFET technology has not yet brought great breakthroughs in this respect. Potentiometric microelectrode arrays are developed however for DNA analysis. As potentiometry moves into new and unexpected applications such as biomolecules, multiply charged molecules, DNA, marker proteins, viruses and bacteria, dissolution testing..., the need for miniaturized sensors and arrays will grow. Possibly, planar screen printed electrodes can be applied. Use of the electrodes in hydrodynamic conditions may be needed. The use of FIA and HPLC for rapid screening of electrode compositions is explained. This provides new insights into these chemically dynamic sensor systems, and into the interaction of organic ionic molecules with surfaces.
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Cite this article as:
Nagels J. Luc, Vissers Bert, Bohets Hugo, Everaert Joseph and Robbens Johan, Potentiometric Sensors for Organic Analytes: Insights to Proceed to Miniaturization, Current Pharmaceutical Analysis 2009; 5 (2) . https://dx.doi.org/10.2174/157341209788172898
DOI https://dx.doi.org/10.2174/157341209788172898 |
Print ISSN 1573-4129 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-676X |
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