Impedance Analysis of Surface-Bound Biomembranes

reportActive / Technical Report | Accession Number: ADA223172 | Open PDF

Abstract:

Electrochemical impedance analysis was used to characterize biomembrane structures formed on SiliconSilicon Dioxide, Titanium Dioxide, IndiumTin Oxide and Platinum electrode surfaces by detergent dialysis. A model equivalent circuit is proposed to describe the membraneelectrode 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 nfcm2. Keywords AC impedance, Biomembranes, Lipid, Electrode, Biosensor, Surface- bound, Cells, Proteins, MembranesBiology, Rhodopsin, Octylglucosides.

Author(s):
Li, Jianguo ; Downer, Nancy W. ; Smith, H. G.
Author Organization(s):
TSI MASON RESEARCH INST WORCESTER MA BIOCHEMISTRY DEPT
Descriptive Note:
Technical rept.
Pagination:
0005

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
TR-3
Contract/Grant Number(s):
N00014-88-C-0193
Monitor Series:
ONR
 Subject Terms
Joint Capability Areas:
JCA_5_Command and Control; JCA_5.3_Planning
Communities of Interest:
Advanced Electronics
Descriptor(s):
*MEMBRANES(BIOLOGY), *SURFACES, *IMPEDANCE, MODELS, INTERFACES, LAYERS, SILICON DIOXIDE, LIPIDS, PROTEINS, STRUCTURES, ELECTROCHEMISTRY, ALTERNATING CURRENT, OXIDES, ELECTRODES, DETERGENTS, MEMBRANES, PLATINUM, TIN COMPOUNDS, CELLS(BIOLOGY), TITANIUM DIOXIDE, EQUIVALENT CIRCUITS, INDIUM COMPOUNDS, DIALYSIS
Field(s)/Group(s):
Biochemistry
Keyword(s):
BIOSENSOR, RHODOPSIN, OCTYLGLUCOSIDES, PE61153N
Report Date:
1990 Jun 08