The Potentiometric Biosensor Acetylcholine Esterase as a Model System |
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| Authors: | Stephan Reher Yvonne Lepka Georg Schwedt |
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| Institution: | Technical University of Clausthal, Institute of Inorganic and Analytical Chemistry, Paul-Ernst-Stra?e 4, D-38678 Clausthal-Zellerfeld, Germany, DE
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| Abstract: | In a methodical investigation of pH-detection systems (glass and polymer membrane electrodes and ion selective field effect
transistor (ISFET)), the possible use of the acetylcholine esterase biosensor as a model for all pH-based biosensors is shown.
It revealed that the biomembrane properties are more important for the result than the technology itself. All techniques resulted
in a ΔH+ detection limit of 6*10−7 mol/L.
Received January 20, 2001; accepted December 18, 2001; published online July 15, 2002 |
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| Keywords: | : Biosensor acetylcholine esterase pH-glass electrode polymer membrane electrode ion selective field effect transistor |
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