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METABOLIC AND PHYSICAL SCALING IN MICROWAVE/RADIOFREQUENCY BIOEFFECTS STUDIES

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For the 2-3 GHz range, extrapolation factors for humans are 1:2 for dogs, 1:8 for rhesus monkeys, 2:7 for squirrel monkeys, and 5:2 for rats.

Plain English Summary

Summary written for general audiences

Research on the biological effects of microwaves is primarily related to the problem of hazard assessment for exposure of man. For the 2-3 GHz range, extrapolation factors for humans are 1:2 for dogs, 1:8 for rhesus monkeys, 2:7 for squirrel monkeys, and 5:2 for rats.

Why This Matters

Even the best theoretical models are relatively crude due to the limitations of the theoretical and numerical methods. Experimental approaches measuring the magnitude and distribution of specific absorbed energy rate (SAR) in exposed animals and human models have been useful. Michaelson et al. (1967) described the thermal response of dogs, rabbits, and rats exposed to 2800 MHz, 1280 MHz pulsed and 200 MHz CW energies, and found that rats and rabbits had greater sensitivity than dogs. Tyagin (1957) and Subbota (1957) demonstrated that the response depended not only on power density but also on the animal's size and thermoregulatory apparatus quality. Using rats exposed to 2450 MHz CW, Lotz and Michaelson (1978) and Lu et al. (1977) characterized alterations in serum hormone levels in relation to body temperature.

Cite This Study
Unknown (n.d.). METABOLIC AND PHYSICAL SCALING IN MICROWAVE/RADIOFREQUENCY BIOEFFECTS STUDIES.
Show BibTeX
@article{metabolic_and_physical_scaling_in_microwave_radiofrequency_bioeffects_studies_g5422,
  author = {Unknown},
  title = {METABOLIC AND PHYSICAL SCALING IN MICROWAVE/RADIOFREQUENCY BIOEFFECTS STUDIES},
  year = {n.d.},
  
  
}
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Quick Questions About This Study

Research on the biological effects of microwaves is primarily related to the problem of hazard assessment for exposure of man.
One task is the determination of the absorbed energy required to cause deleterious changes in body functions of experimental animals; the second task is extrapolation of the results of animal experiments to the exposure conditions of man.
For the frequency range of 2-3 GHz extrapolation factors for man are 1:2, 1:8, 2:7, and 5:2 relative to the dog, rhesus monkey, squirrel monkey and rat, respectively.
Michaelson et al. (1967) found that rats and rabbits had a greater sensitivity than dogs to exposures at 2800 MHz, 1280 MHz pulsed and 200 MHz CW energies.