Polysiloxane based CHEMFETs for selective detection of Ca2+ ions

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Lugtenberg, Ronny J.W. and Egberink, Richard J.M. and Engbersen, Johan F.J. and Reinhoudt, David N. (1997) Polysiloxane based CHEMFETs for selective detection of Ca2+ ions. Analytica Chimica Acta, 357 (3). pp. 225-229. ISSN 0003-2670

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Abstract:Different siloxane copolymers have been used as membrane materials for Ca2+ selective chemically modified field effect transistors (CHEMFETs). CHEMFETs with 3-benzoylaminopropyl-functionalized polysiloxane membranes and 1 wt% borate anions are intrinsically selective for Ca2+ ions. This selectivity can be further enhanced by the incorporation of a Ca2+ selective 1,3 alternate calix[4]arene which is functionalized with four amido groups. The highest Ca2+ selectivties were obtained with CHEMFETs containing this calix[4]arene ionophore in 3-cyanopropyl-functionalized polysiloxane membranes.
Item Type:Article
Copyright:© 1997 Elsevier
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/11715
Official URL:http://dx.doi.org/10.1016/S0003-2670(97)00571-0
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Metis ID: 106301