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Proceedings Paper

Development of NH4+-sensitive polymer membranes for long-term performance microsensors
Author(s): Zbigniew Brzozka; Marek Dawgul; Dorota Pijanowska; Wladislaw Torbicz
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Paper Abstract

This paper describes the development of NH4+- sensitive membranes based on various polymer materials incorporating nonactine as the ionophore for long-term performance CHEMFETs. Different composition of membranes based on plasticized PVC, carboxylated PVC, plasticized PVC modified by decylmethacrylate, polysiloxane and Siloprene were studied. Although polysiloxane membrane presented the most improved adhesion to the chip surface, the Siloprene membrane was successfully applied to design durable NH4+-sensitive CHEMFETs. These sensors showed NH4+-responses with good selectivity even after 14 months of continuous exposure to conditioning electrolyte.

Paper Details

Date Published: 13 February 1997
PDF: 10 pages
Proc. SPIE 3054, Optoelectronic and Electronic Sensors II, (13 February 1997); doi: 10.1117/12.266709
Show Author Affiliations
Zbigniew Brzozka, Institute of Biocybernetics and Biomedical Engineering (Poland)
Marek Dawgul, Institute of Biocybernetics and Biomedical Engineering (Poland)
Dorota Pijanowska, Institute of Biocybernetics and Biomedical Engineering (Poland)
Wladislaw Torbicz, Institute of Biocybernetics and Biomedical Engineering (Poland)


Published in SPIE Proceedings Vol. 3054:
Optoelectronic and Electronic Sensors II

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