Microbial biosensors based on potentiometric detection

  • Aleksandr L. Simonian
  • Evgenia I. Rainina
  • James R. Wild
Part of the Methods in Biotechnology book series (MIBT, volume 6)


Potentiometric transducers are most commonly used in the development of biosensors and they typically involve a wide range of ion-selective electrodes, such as pH, pNH3, pNH4, pCO2, and so on. These devices generate the potential developed across an ion-selective membrane separating two solutions, proportional to the logarithm of the analyte concentration, according to the Nernst equation.


Measurement Cell Storage Buffer Flow Loop Microbial Biosensor CoCl2 6H2O 
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Copyright information

© Humana Press Inc. 1998

Authors and Affiliations

  • Aleksandr L. Simonian
    • 1
  • Evgenia I. Rainina
    • 1
  • James R. Wild
    • 1
  1. 1.Biochemistry and Biophysics DepartmentTexas A & M UniversityCollege Station

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