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The bilayer lipid membrane as a basis for a selective sensor for ammonia

Authors
Journal
Talanta
0039-9140
Publisher
Elsevier
Publication Date
Volume
30
Issue
12
Identifiers
DOI: 10.1016/0039-9140(83)80214-8
Disciplines
  • Chemistry
  • Design

Abstract

Abstract The development of an electrochemical method for the selective sensing of ammonia gas, based on a modified bilayer lipid membrane, is described. Membrane selectivity for ammonium ion is achieved through incorporation of the antibiotic nonactin as ion-carrier. The detection limits compare favourably with those for conventional ammonia gas-sensing electrodes, but the selectivity is much superior. Theoretical evaluation of the potential sensitivity of the new gas-sensor with respect to design parameters is described.

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