Impedance Analysis of Surface-Bound Biomembranes

Abstract

Electrochemical impedance analysis was used to characterize biomembrane structures formed on Silicon/Silicon Dioxide, Titanium Dioxide, Indium/Tin Oxide and Platinum electrode surfaces by detergent dialysis. A model equivalent circuit is proposed to describe the membrane/electrode interface. The data suggest that the surface structure is a single membrane layer with resistance of 800 ohms per centimeters squared and capacitance of 550 nf/cm2. Keywords: AC impedance, Biomembranes, Lipid, Electrode, Biosensor, Surface- bound, Cells, Proteins, Membranes(Biology), Rhodopsin, Octylglucosides.

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Document Details

Document Type
Technical Report
Publication Date
Jun 08, 1990
Accession Number
ADA223172

Entities

People

  • H. G. Smith
  • Jianguo Li
  • Nancy W. Downer

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Abstracts
  • Availability
  • Capacitance
  • Chemical Compounds
  • Circuits
  • Classification
  • Detergents
  • Dialysis
  • Dielectric Permittivity
  • Electrical Properties
  • Electrodes
  • Elements
  • Equivalent Circuits
  • Impedance
  • Military Research
  • Oxides
  • Security

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Molecular and Cellular Biochemistry
  • Thin Film Deposition Science.

Technology Areas

  • Biotechnology