An Exposure System for Variable Electromagnetic-Field Orientation Electrophysiological Studies

A TEM system for exposing isolated nerve cells at 2 GHz is described. The system allows for monitoring of transmembrane potentials by means of microelectrodes and variation of the angle between the electric-field vector and the cell. An S-parameter characterization of the system is included along wi...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1985-08, Vol.33 (8), p.674-680
Main Authors: Forster, J.D., Barnes, F.S., Wachtel, H., Bowman, R.R., Frazer, J.W., Chalker, R.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Cells (biology)
Coaxial components
Fundamental and applied biological sciences. Psychology
General aspects
Instrumentation. Materials. Reagents. Research laboratory organization
Microelectrodes
Monitoring
Neurons
Probes
Radio frequency
Scattering parameters
TEM cells
Temperature measurement
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Description
Summary:A TEM system for exposing isolated nerve cells at 2 GHz is described. The system allows for monitoring of transmembrane potentials by means of microelectrodes and variation of the angle between the electric-field vector and the cell. An S-parameter characterization of the system is included along with temperature profile measurements for the energy distribution within the exposure chamber. Additional data on the transient electrical characteristics of microelectrodes upon exposure to microwave pulses in this system are included along with a few examples of the response of Aplysis pacemaker neurons to microwave fields.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1985.1133052