New membrane materials for potassium-selective ion-sensitive field-effect transistors

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Wal van der, Peter D. and Skowronska-Ptasinska, Maria and Berg van den, Albert and Bergveld, Piet and Sudholter, Ernst J.R. and Reinhoudt, David N. (1990) New membrane materials for potassium-selective ion-sensitive field-effect transistors. Analytica Chimica Acta, 4 (231). pp. 41-52. ISSN 0003-2670

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Abstract:Several polymeric materials were studied as membrane materials for potassium-selective ion-sensitive field-effect transistors (ISFETs) to overcome the problems related with the use of conventional plasticized poly(vinyl chloride) membranes casted on ISFET gate surfaces. Several acrylate materials, such as ACE, Epocryl and derivatives, showed no reproducible results. Three room-temperature vulcanizing (RTV)-type silicone rubbers were tested. The addition-type RTV-2 silicone rubber was not suitable as a membrane material, but the condensation-type RTV-1 and especially the RTV-2 silicone rubber showed good results. ISFETs with a Silopren membrane showed a durability of at least 2 months.
Item Type:Article
Copyright:© 1990 Elsevier
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/15303
Official URL:http://dx.doi.org/10.1016/S0003-2670(00)86395-3
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Metis ID: 112178