In-vivo Techniques for Measuring Electrical Properties of Tissues.

Abstract

The overall objectives of this research investigation are to further develop and extend the capabilities of the recently-developed in-vivo probe measurement technique and to use this technique to study the possible effects of induced physiological changes on tissue dielectric properties. During the first year of this two-year program, the research efforts conducted included (1) development of techniques for improved probe positioning flexibility, (2) implementation of methods to account for systemic microwave measurement errors, (3) development of techniques for rapid data collection, (4) evaluation of effects of surface fluid accumulation around the probe, (5) establishment of a probe diameter/sample volume relationship, (6) probe dielectric measurements of living and non-living canine brain, and (7) preliminary measurements of canine brain dielectric properties as a function of induced physiological changes including non-noxious auditory stimuli. Little or no effect by the acoustic stimuli on the dielectric properties was observed.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1979
Accession Number
ADA077041

Entities

People

  • E. C. Burdette
  • Fred L. Cain
  • J. Seals
  • R. L. Seaman

Organizations

  • Georgia Tech

Tags

Communities of Interest

  • Advanced Electronics
  • Biomedical

DTIC Thesaurus Topics

  • Accuracy
  • Acoustic Stimulation
  • Arteries
  • Biomedical Research
  • Cardiovascular Physiological Phenomena
  • Chemistry
  • Computer Programs
  • Computers
  • Data Acquisition
  • Dielectric Permittivity
  • Dielectric Properties
  • Dielectrics
  • Electromagnetic Radiation
  • Machine Languages
  • Measurement
  • Medical Personnel
  • Veins

Readers

  • Fluid Dynamics.
  • Immunology
  • Neuroscience